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# Лабораторная работа №1
## Задание
Цель: изучение современных технологий контейнеризации.
Задачи:
- Установить средство контейнеризации docker.
- Изучить применение и принципы docker.
- Изучить утилиту docker-compose и структуру файла docker-compose.yml.
- Развернуть не менее 3х различных сервисов при помощи docker-compose.
- Оформить отчёт в формате Markdown и создать Pull Request в git-репозитории.
## Ход работы
### Разворачивание сервисов
Были выбраны три сервиса:
- mediawiki
- drupal
- wordpress
### docker-compose.yml
Был создан файл docker-compose.yml для разворачивания сервисов:
```
version: '3'
services:
mediawiki:
image: mediawiki
ports:
- 8080:80
volumes:
- mediawiki_data:/var/www/html/images
drupal:
image: drupal
ports:
- 3000:80
volumes:
- drupal_data:/var/www/html/sites/default/files
wordpress:
image: wordpress
ports:
- 8000:80
volumes:
- wordpress_data:/var/www/html/wp-content
volumes:
mediawiki_data:
drupal_data:
wordpress_data:
```
Для каждого сервиса присутствует проброс портов, образ и хотя бы один volume.
Работоспособность показана в видео: [lab1.mp4](lab1.mp4)

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version: '3'
services:
mediawiki:
image: mediawiki
ports:
- 8080:80
volumes:
- mediawiki_data:/var/www/html/images
drupal:
image: drupal
ports:
- 3000:80
volumes:
- drupal_data:/var/www/html/sites/default/files
wordpress:
image: wordpress
ports:
- 8000:80
volumes:
- wordpress_data:/var/www/html/wp-content
volumes:
mediawiki_data:
drupal_data:
wordpress_data:

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# Лабораторная работа №2
## Задание
Цель: изучение техники создания простого распределённого приложения.
Задачи:
- Согласно варианту (0 и 1) разработать два приложения такие, что результат первого является исходными данными для второго.
- Изучить файлы сборки образов docker и разработать их для созданных приложений.
- Собрать файл docker-compose.yml для запуска приложений. Разобраться с монтированием каталогов из хост-системы.
- Правильно закоммитить результат без лишних файлов.
- Оформить pull request по правилам и отправить его на проверку.
## Ход работы
### Разворачивание сервисов:
Были разработаны два приложения на java:
worker-1 - Формирует файл /var/result/data.txt из первых строк всех файлов каталога /var/data.
worker-2 - Ищет набольшее число из файла /var/result/data.txt и сохраняет его вторую степень в /var/result/result.txt.
### Исходные файлы
Исходные файлы содержат целые числа.
В /var/result/data.txt копируются числа из первых строк каждого файла - 1, 10, 5
В /var/result/result.txt записывается число 100 - квадрат наибольшего числа - 10
Содержимое всех файлов показано в видео.
### Dockerfile
Для лр были созданы идентичные докер-файлы в обоих проектах:
```
FROM openjdk:17
LABEL authors="tauri"
RUN mkdir /var/data
RUN mkdir /var/result
WORKDIR /app
COPY src /app/src
RUN javac /app/src/Main.java
CMD ["java", "-cp", "/app/src", "Main"]
```
- FROM - выбор базового образа
- LABEL - метка, что автор - tauri
- RUN - создание директории внутри контейнера
- WORKDIR - установка рабочей директории для последующих команд
- COPY - копирование содержимого директории внутрь контейнера
- RUN - компиляция исходного кода Main.java внутри контейнера
- CMD - определение команды, которая выполняется при запуске контейнера. В данном случае происходит запуск программы на java и указывается пусть до Main.java
### docker-compose.yml
```
version: "3" #формат конфигурации Docker Compose версии 3
services: #определение сервисов
worker1:
build:
context: /worker-1 #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
volumes:
- .\var\data:/var/data #том для папки файлов
- .\var\result:/var/result #том для папки результатов
worker2:
depends_on: #зависимость: worker2 не будет запущен, пока worker1 не завершит свой запуск
- worker1
build:
context: /worker-2 #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
volumes:
- .\var\result:/var/data #том для папки файлов
- .\var\result:/var/result #том для папки результатов
```
Работоспособность и то, что контейнеры были успешно развернуты показано в видео: [lab2.mp4](lab2.mp4)

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version: "3" #формат конфигурации Docker Compose версии 3
services: #определение сервисов
worker1:
build:
context: /worker-1 #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
volumes:
- .\var\data:/var/data #том для папки файлов
- .\var\result:/var/result #том для папки результатов
worker2:
depends_on: #зависимость: worker2 не будет запущен, пока worker1 не завершит свой запуск
- worker1
build:
context: /worker-2 #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
volumes:
- .\var\result:/var/data #том для папки файлов
- .\var\result:/var/result #том для папки результатов

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1
2
3
4
5
6
7

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10
20
30
40

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5
10
15
20
25

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1
10
5

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100

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FROM openjdk:17
LABEL authors="tauri"
RUN mkdir /var/data
RUN mkdir /var/result
WORKDIR /app
COPY src /app/src
RUN javac /app/src/Main.java
CMD ["java", "-cp", "/app/src", "Main"]

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import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
public class Main {
public static void main(String[] args) {
String directoryPath = "/var/data";
String resultFilePath = "/var/result/data.txt";
File directory = new File(directoryPath);
File resultFile = new File(resultFilePath);
try {
// Создаем новый файл-результат или перезаписываем существующий
resultFile.createNewFile();
// Получаем список всех файлов в указанном каталоге
File[] files = directory.listFiles();
// Проверяем, что каталог существует и содержит файлы
if (directory.exists() && files != null) {
// Создаем объект для записи данных в файл-результат
FileWriter fileWriter = new FileWriter(resultFile);
BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
// Проходимся по всем файлам в каталоге
for (File file : files) {
// Проверяем, что текущий объект - файл
if (file.isFile()) {
// Создаем объект для чтения данных из файла
FileReader fileReader = new FileReader(file);
BufferedReader bufferedReader = new BufferedReader(fileReader);
// Читаем строку из файла и записываем ее в файл-результат
String line = bufferedReader.readLine();
if (line != null) {
bufferedWriter.write(line);
bufferedWriter.newLine();
}
// Закрываем объекты чтения данных из файла
bufferedReader.close();
fileReader.close();
}
}
// Закрываем объект для записи данных в файл-результат
bufferedWriter.close();
fileWriter.close();
System.out.println("Файл /var/result/data.txt успешно создан.");
} else {
System.out.println("Указанный каталог не существует или не содержит файлы.");
}
} catch (IOException e) {
System.out.println("Ошибка при создании файла: " + e.getMessage());
}
}
}

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FROM openjdk:17
LABEL authors="tauri"
RUN mkdir /var/data
RUN mkdir /var/result
WORKDIR /app
COPY src /app/src
RUN javac /app/src/Main.java
CMD ["java", "-cp", "/app/src", "Main"]

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import java.io.*;
import java.util.*;
import java.lang.Math;
public class Main {
public static void main(String[] args) {
String filePath = "/var/data/data.txt";
String resultPath = "/var/result/result.txt";
try {
// Чтение чисел из файла
List<Integer> numbers = readNumbersFromFile(filePath);
// Поиск наибольшего числа
int maxNumber = findMaxNumber(numbers);
// Вычисление второй степени
int squaredNumber = (int) Math.pow(maxNumber, 2);
// Сохранение результата в файл
saveResultToFile(resultPath, squaredNumber);
System.out.println("Наибольшее число: " + maxNumber);
System.out.println("Квадрат наибольшего числа: " + squaredNumber);
System.out.println("Результат сохранен в файле " + resultPath);
} catch (IOException e) {
System.out.println("Произошла ошибка при чтении/записи файла.");
e.printStackTrace();
}
}
// Метод для чтения чисел из файла
private static List<Integer> readNumbersFromFile(String filePath) throws IOException {
List<Integer> numbers = new ArrayList<>();
BufferedReader reader = new BufferedReader(new FileReader(filePath));
String line;
while ((line = reader.readLine()) != null) {
int number = Integer.parseInt(line.trim());
numbers.add(number);
}
reader.close();
return numbers;
}
// Метод для поиска наибольшего числа в списке
private static int findMaxNumber(List<Integer> numbers) {
int maxNumber = Integer.MIN_VALUE;
for (int number : numbers) {
if (number > maxNumber) {
maxNumber = number;
}
}
return maxNumber;
}
// Метод для сохранения результата в файл
private static void saveResultToFile(String filePath, int result) throws IOException {
BufferedWriter writer = new BufferedWriter(new FileWriter(filePath));
writer.write(String.valueOf(result));
writer.close();
}
}

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# Лабораторная работа №3
## Задание
Цель: изучение шаблона проектирования gateway, построения синхронного обмена между микросервисами и архитектурного стиля RESTful API.
Задачи:
- Создать 2 микросервиса, реализующих CRUD на связанных сущностях.
- Реализовать механизм синхронного обмена сообщениями между микросервисами.
- Реализовать шлюз на основе прозрачного прокси-сервера nginx.
## Ход работы
### Разворачивание сервисов:
Были разработаны два приложения на Java с использованием средства автоматизации сборки проектов Gradle и с использованием библиотеки spring-boot:
- disciplineService - работа с дисциплинами (crud)
- learningPlanService - работа с планами обучения (crud). При создании плана обучения выбирается id дисциплины, и через nginx и rest template происходит получение данных о дисциплины с этим id
### Обмен сообщениями
При создании плана обучения выбирается id дисциплины, и через nginx и rest template происходит получение данных о дисциплины с этим id
![img.png](img.png)
### Dockerfile
Идентичные докерфайлы для приложений:
```
FROM openjdk:17
RUN mkdir -p /usr/src/app/
WORKDIR /usr/src/app/
COPY . /usr/src/app/
RUN ./gradlew clean build
EXPOSE 8089
ENTRYPOINT ["java","-jar","build/libs/lab3-0.0.1-SNAPSHOT.jar"]
```
### docker-compose.yml
Файл, соединяющий сервисы (содержащий настройку Docker):
```
version: "3" #формат конфигурации Docker Compose версии 3
services: #определение сервисов
discipline:
build:
context: /disciplineService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8089:8089" #проброс портов
networks:
- netwrk #сеть
learning_plan:
build:
context: /learningPlanService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8090:8090" #проброс портов
networks:
- netwrk #сеть
nginx:
image: nginx:latest #образ для контейнера
ports:
- "8091:80" #проброс портов
networks:
- netwrk #сеть
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf #монтирует локальный файл конфигурации
depends_on: #зависимость от сервисов
- discipline
- learning_plan
networks:
netwrk:
driver: bridge #изолированная сеть
```
### nginx.conf
Настройка nginx:
```
http {
server {
listen 80;
listen [::]:80;
server_name localhost;
location /disciplineService/ {
proxy_pass http://discipline:8089/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Prefix /disciplineService;
}
location /learningPlanService/ {
proxy_pass http://learning_plan:8090/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Prefix /learningPlanService;
}
}
}
events {
worker_connections 1024;
}
```
## Результат
Работоспособность и взаимодействие сервисов показаны в видео: [lab3.mp4](lab3.mp4)

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.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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# Default ignored files
/shelf/
/workspace.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleHome" value="" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
</set>
</option>
</GradleProjectSettings>
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

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FROM openjdk:17
RUN mkdir -p /usr/src/app/
WORKDIR /usr/src/app/
COPY . /usr/src/app/
RUN ./gradlew clean build
EXPOSE 8089
ENTRYPOINT ["java","-jar","build/libs/lab3-0.0.1-SNAPSHOT.jar"]

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plugins {
id 'org.springframework.boot' version '2.6.3'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
}
group = 'disciplineApp'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.1.210'
implementation 'org.hibernate.validator:hibernate-validator'
implementation 'org.springdoc:springdoc-openapi-ui:1.6.5'
compileOnly 'org.projectlombok:lombok'
annotationProcessor 'org.projectlombok:lombok'
implementation group: 'org.springdoc', name: 'springdoc-openapi-ui', version: '1.6.5'
}
tasks.named('test') {
useJUnitPlatform()
}

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#Wed Jan 10 18:16:23 GMT+04:00 2024
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

View File

@ -1,89 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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@ -1,2 +0,0 @@
rootProject.name = "lab3"

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@ -1,12 +0,0 @@
package disciplineApp;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

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@ -1,48 +0,0 @@
package disciplineApp.controller;
import disciplineApp.model.DisciplineDto;
import org.springframework.web.bind.annotation.*;
import disciplineApp.service.*;
import javax.validation.Valid;
import java.util.List;
import java.util.stream.Collectors;
@RestController
@RequestMapping("/")
public class DisciplineController {
private final DisciplineService disciplineService;
public DisciplineController(DisciplineService disciplineService) {
this.disciplineService = disciplineService;
}
@GetMapping("/{id}")
public DisciplineDto getDiscipline(@PathVariable Long id) {
return new DisciplineDto(disciplineService.findDiscipline(id));
}
@GetMapping("/")
public List<DisciplineDto> getDisciplines() {
return disciplineService.findAllDisciplines().stream()
.map(DisciplineDto::new)
.collect(Collectors.toList());
}
@PostMapping("/")
public DisciplineDto createDiscipline(@RequestBody @Valid DisciplineDto disciplineDto) {
return new DisciplineDto(disciplineService.addDiscipline(disciplineDto));
}
@PutMapping("/{id}")
public DisciplineDto updateDiscipline(@RequestBody @Valid DisciplineDto disciplineDto) {
return new DisciplineDto(disciplineService.updateDiscipline(disciplineDto));
}
@DeleteMapping("/{id}")
public DisciplineDto deleteDiscipline(@PathVariable Long id) {
return new DisciplineDto(disciplineService.deleteDiscipline(id));
}
}

View File

@ -1,53 +0,0 @@
package disciplineApp.model;
import javax.persistence.*;
@Entity
public class Discipline {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
private String description;
public Discipline() {
}
public Discipline(String name, String description) {
this.name = name;
this.description = description;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
@Override
public String toString() {
return "Discipline {" +
"id =" + id +
", name ='" + name + '\'' +
", desc ='" + description + '\'' +
'}';
}
}

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@ -1,40 +0,0 @@
package disciplineApp.model;
public class DisciplineDto {
private Long id;
private String name;
private String description;
public DisciplineDto() {
}
public DisciplineDto(Discipline discipline) {
this.id = discipline.getId();
this.name = String.format("%s", discipline.getName());
this.description = discipline.getDescription();
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}

View File

@ -1,7 +0,0 @@
package disciplineApp.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import disciplineApp.model.Discipline;
public interface DisciplineRepository extends JpaRepository<Discipline, Long> {
}

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@ -1,7 +0,0 @@
package disciplineApp.service;
public class DisciplineNotFoundException extends RuntimeException{
public DisciplineNotFoundException(Long id) {
super(String.format("Discipline with id [%s] is not found", id));
}
}

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@ -1,49 +0,0 @@
package disciplineApp.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import disciplineApp.model.*;
import disciplineApp.repository.*;
import java.util.*;
@Service
public class DisciplineService {
private final DisciplineRepository disciplineRepository;
public DisciplineService(DisciplineRepository disciplineRepository) {
this.disciplineRepository = disciplineRepository;
}
@Transactional
public Discipline addDiscipline(DisciplineDto disciplineDto) {
final Discipline discipline = new Discipline(disciplineDto.getName(), disciplineDto.getDescription());
return disciplineRepository.save(discipline);
}
@Transactional(readOnly = true)
public Discipline findDiscipline(Long id) {
final Optional<Discipline> discipline = disciplineRepository.findById(id);
return discipline.orElseThrow(() -> new DisciplineNotFoundException(id));
}
@Transactional(readOnly = true)
public List<Discipline> findAllDisciplines() {
return disciplineRepository.findAll();
}
@Transactional
public Discipline updateDiscipline(DisciplineDto disciplineDto) {
final Discipline currentDiscipline = findDiscipline(disciplineDto.getId());
currentDiscipline.setName(disciplineDto.getName());
currentDiscipline.setDescription(disciplineDto.getDescription());
return disciplineRepository.save(currentDiscipline);
}
@Transactional
public Discipline deleteDiscipline(Long id) {
final Discipline currentDiscipline = findDiscipline(id);
disciplineRepository.delete(currentDiscipline);
return currentDiscipline;
}
}

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@ -1,11 +0,0 @@
spring.main.banner-mode=off
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=password
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.settings.trace=false
spring.h2.console.settings.web-allow-others=false
server.port=8089

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@ -1,35 +0,0 @@
version: "3" #формат конфигурации Docker Compose версии 3
services: #определение сервисов
discipline:
build:
context: /disciplineService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8089:8089" #проброс портов
networks:
- netwrk #сеть
learning_plan:
build:
context: /learningPlanService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8090:8090" #проброс портов
networks:
- netwrk #сеть
nginx:
image: nginx:latest #образ для контейнера
ports:
- "8091:80" #проброс портов
networks:
- netwrk #сеть
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf #монтирует локальный файл конфигурации
depends_on: #зависимость от сервисов
- discipline
- learning_plan
networks:
netwrk:
driver: bridge #изолированная сеть

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@ -1,42 +0,0 @@
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

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@ -1,3 +0,0 @@
# Default ignored files
/shelf/
/workspace.xml

View File

@ -1,17 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleMigrationSettings" migrationVersion="1" />
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleHome" value="" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
</set>
</option>
</GradleProjectSettings>
</option>
</component>
</project>

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@ -1,7 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ExternalStorageConfigurationManager" enabled="true" />
<component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="17" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
</project>

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@ -1,7 +0,0 @@
FROM openjdk:17
RUN mkdir -p /usr/src/app/
WORKDIR /usr/src/app/
COPY . /usr/src/app/
RUN ./gradlew clean build
EXPOSE 8089
ENTRYPOINT ["java","-jar","build/libs/lab3-0.0.1-SNAPSHOT.jar"]

View File

@ -1,34 +0,0 @@
plugins {
id 'org.springframework.boot' version '2.6.3'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
}
group = 'disciplineApp'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.1.210'
implementation 'org.hibernate.validator:hibernate-validator'
implementation 'org.springdoc:springdoc-openapi-ui:1.6.5'
compileOnly 'org.projectlombok:lombok'
annotationProcessor 'org.projectlombok:lombok'
implementation group: 'org.springdoc', name: 'springdoc-openapi-ui', version: '1.6.5'
}
tasks.named('test') {
useJUnitPlatform()
}

View File

@ -1,6 +0,0 @@
#Wed Jan 10 18:23:35 GMT+04:00 2024
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

View File

@ -1,234 +0,0 @@
#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

View File

@ -1,89 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

View File

@ -1,2 +0,0 @@
rootProject.name = "lab3"

View File

@ -1,19 +0,0 @@
package learningPlanApp;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
}

View File

@ -1,48 +0,0 @@
package learningPlanApp.controller;
import learningPlanApp.model.*;
import org.springframework.web.bind.annotation.*;
import learningPlanApp.service.*;
import javax.validation.Valid;
import java.util.List;
import java.util.stream.Collectors;
@RestController
@RequestMapping("/")
public class LearningPlanController {
private final LearningPlanService learningPlanService;
public LearningPlanController(LearningPlanService learningPlanService) {
this.learningPlanService = learningPlanService;
}
@GetMapping("/{id}")
public LearningPlanFullInfoDto getLearningPlan(@PathVariable Long id) {
return learningPlanService.findLearningPlan(id);
}
@GetMapping("/")
public List<LearningPlanDto> getLearningPlans() {
return learningPlanService.findAllLearningPlans().stream()
.map(LearningPlanDto::new)
.collect(Collectors.toList());
}
@PostMapping("/")
public LearningPlanFullInfoDto createLearningPlan(@RequestBody @Valid LearningPlanDto learningPlanDto) {
return learningPlanService.addLearningPlan(learningPlanDto);
}
@PutMapping("/{id}")
public LearningPlanFullInfoDto updateLearningPlan(@RequestBody @Valid LearningPlanDto learningPlanDto) {
return learningPlanService.updateLearningPlan(learningPlanDto);
}
@DeleteMapping("/{id}")
public LearningPlanDto deleteClient(@PathVariable Long id) {
return new LearningPlanDto(learningPlanService.deleteLearningPlan(id));
}
}

View File

@ -1,34 +0,0 @@
package learningPlanApp.model;
import lombok.Data;
@Data
public class DisciplineInfoDto {
private Long id;
private String name;
private String description;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}

View File

@ -1,71 +0,0 @@
package learningPlanApp.model;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import io.swagger.v3.oas.annotations.media.Schema;
import javax.persistence.*;
import lombok.Data;
@Data
@Entity
public class LearningPlan {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
private String description;
private Long disciplineId;
public LearningPlan() {
}
public LearningPlan(String name, String description, Long disciplineId) {
this.name = name;
this.description = description;
this.disciplineId = disciplineId;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Long getDisciplineId() {
return disciplineId;
}
public void setDisciplineId(Long disciplineId) {
this.disciplineId = disciplineId;
}
@Override
public String toString() {
return "Discipline {" +
"id =" + id +
", time =" + name +
", description='" + description + '\'' +
", disciplineId=" + disciplineId +
'}';
}
}

View File

@ -1,52 +0,0 @@
package learningPlanApp.model;
import lombok.Data;
@Data
public class LearningPlanDto {
private Long id;
private String name;
private String description;
private Long disciplineId;
public LearningPlanDto() {
}
public LearningPlanDto(LearningPlan learningPlan) {
this.id = learningPlan.getId();
this.name = learningPlan.getName();
this.description = String.format("%s", learningPlan.getDescription());
this.disciplineId = learningPlan.getDisciplineId();
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Long getDisciplineId() {
return disciplineId;
}
public void setDisciplineId(Long disciplineId) {
this.disciplineId = disciplineId;
}
}

View File

@ -1,62 +0,0 @@
package learningPlanApp.model;
import lombok.Data;
@Data
public class LearningPlanFullInfoDto {
private Long id;
private String name;
private String description;
private Long disciplineId;
private DisciplineInfoDto disciplineInfo;
public LearningPlanFullInfoDto() {
}
public LearningPlanFullInfoDto(LearningPlan learningPlan, DisciplineInfoDto disciplineInfo) {
this.id = learningPlan.getId();
this.name = learningPlan.getName();
this.description = learningPlan.getDescription();
this.disciplineId = learningPlan.getDisciplineId();
this.disciplineInfo = disciplineInfo;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Long getDisciplineId() {
return disciplineId;
}
public void setDisciplineId(Long disciplineId) {
this.disciplineId = disciplineId;
}
/*public DisciplineInfoDto getDisciplineInfo() {
return disciplineInfo;
}
public void setDisciplineInfo(DisciplineInfoDto disciplineInfo) {
this.disciplineInfo = disciplineInfo;
}*/
}

View File

@ -1,7 +0,0 @@
package learningPlanApp.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import learningPlanApp.model.LearningPlan;
public interface LearningPlanRepository extends JpaRepository<LearningPlan, Long> {
}

View File

@ -1,7 +0,0 @@
package learningPlanApp.service;
public class LearningPlanNotFoundException extends RuntimeException{
public LearningPlanNotFoundException(Long id) {
super(String.format("Learning Plan with id [%s] is not found", id));
}
}

View File

@ -1,73 +0,0 @@
package learningPlanApp.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import learningPlanApp.model.*;
import learningPlanApp.repository.*;
import org.springframework.web.client.RestTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.*;
@Service
public class LearningPlanService {
private final LearningPlanRepository learningPlanRepository;
private final RestTemplate restTemplate;
private final String NginxUrl = "http://nginx/disciplineService/";
@Autowired
public LearningPlanService(LearningPlanRepository learningPlanRepository, RestTemplate restTemplate) {
this.learningPlanRepository = learningPlanRepository;
this.restTemplate = restTemplate;
}
@Transactional
public LearningPlanFullInfoDto addLearningPlan(LearningPlanDto learningPlanDto) {
final LearningPlan learningPlan = new LearningPlan(learningPlanDto.getName(), learningPlanDto.getDescription(), learningPlanDto.getDisciplineId());
learningPlanRepository.save(learningPlan);
DisciplineInfoDto disciplineInfo = restTemplate.getForObject(NginxUrl + learningPlanDto.getDisciplineId(), DisciplineInfoDto.class);
return new LearningPlanFullInfoDto(learningPlan, disciplineInfo);
}
@Transactional(readOnly = true)
public LearningPlanFullInfoDto findLearningPlan(Long id) {
final LearningPlan learningPlan = learningPlanRepository.findById(id).orElse(null);
if (learningPlan == null) {
throw new LearningPlanNotFoundException(id);
}
DisciplineInfoDto disciplineInfo = restTemplate.getForObject(NginxUrl + learningPlan.getDisciplineId(), DisciplineInfoDto.class);
return new LearningPlanFullInfoDto(learningPlan, disciplineInfo);
}
@Transactional(readOnly = true)
public LearningPlan findLearningPlanClear(Long id) {
final Optional<LearningPlan> learningPlan = learningPlanRepository.findById(id);
return learningPlan.orElseThrow(() -> new LearningPlanNotFoundException(id));
}
@Transactional(readOnly = true)
public List<LearningPlan> findAllLearningPlans() {
return learningPlanRepository.findAll();
}
@Transactional
public LearningPlanFullInfoDto updateLearningPlan(LearningPlanDto learningPlanDto) {
final LearningPlan currentLearningPlan = findLearningPlanClear(learningPlanDto.getId());
currentLearningPlan.setName(learningPlanDto.getName());
currentLearningPlan.setDescription(learningPlanDto.getDescription());
currentLearningPlan.setDisciplineId(learningPlanDto.getDisciplineId());
learningPlanRepository.save(currentLearningPlan);
DisciplineInfoDto disciplineInfo = restTemplate.getForObject(NginxUrl + learningPlanDto.getDisciplineId(), DisciplineInfoDto.class);
return new LearningPlanFullInfoDto(currentLearningPlan, disciplineInfo);
}
@Transactional
public LearningPlan deleteLearningPlan(Long id) {
final LearningPlan currentLearningPlan = findLearningPlanClear(id);
learningPlanRepository.delete(currentLearningPlan);
return currentLearningPlan;
}
}

View File

@ -1,11 +0,0 @@
spring.main.banner-mode=off
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=password
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.settings.trace=false
spring.h2.console.settings.web-allow-others=false
server.port=8090

View File

@ -1,27 +0,0 @@
http {
server {
listen 80;
listen [::]:80;
server_name localhost;
location /disciplineService/ {
proxy_pass http://discipline:8089/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Prefix /disciplineService;
}
location /learningPlanService/ {
proxy_pass http://learning_plan:8090/;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header X-Forwarded-Prefix /learningPlanService;
}
}
}
events {
worker_connections 1024;
}

View File

@ -1,42 +0,0 @@
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

View File

@ -1,40 +0,0 @@
# Лабораторная работа №4
## Задание
Цель: изучение проектирования приложений при помощи брокера сообщений.
Задачи:
- Установить брокер сообщений RabbitMQ.
- Пройти уроки 1, 2 и 3 из RabbitMQ Tutorials на любом языке программирования.
- Продемонстрировать работу брокера сообщений
## Ход работы
### RabbitMQ
RabbitMQ был установлен на локальное устройство без использования Docker.
### Работа брокера
Было создано три приложения - publisher, consumer1, consumer2.
Задача publisher - осуществлять отправку сообщений
![publisherConsole.png](screenshots%2FpublisherConsole.png)
Задача consumer1 - принимать сообщения и обрабатывать его 3 секунды
![consumer1Console.png](screenshots%2Fconsumer1Console.png)
Задача consumer2 - получать сообщение и обрабатывать его моментально, без задержек
![consumer2Console.png](screenshots%2Fconsumer2Console.png)
### Результат процесса выполнения в RabbitMQ
Изначально графики были неровные, но программа выполнялась долго, они выровнялись и получились следующие графики:
![overviewRMQ.png](screenshots%2FoverviewRMQ.png)
![exchangeRMQ.png](screenshots%2FexchangeRMQ.png)
![queue1RMQ.png](screenshots%2Fqueue1RMQ.png)
![queue2RMQ.png](screenshots%2Fqueue2RMQ.png)
## Результат
Работоспособность показана в видео: [lab4.mp4](lab4.mp4)

View File

@ -1,42 +0,0 @@
plugins {
id 'java'
}
group = 'org.example'
version = '1.0-SNAPSHOT'
repositories {
mavenCentral()
}
dependencies {
testImplementation platform('org.junit:junit-bom:5.9.1')
testImplementation 'org.junit.jupiter:junit-jupiter'
implementation 'com.rabbitmq:amqp-client:5.12.0'
}
test {
useJUnitPlatform()
}
/*task runApp1(type: JavaExec) {
main = 'org.example.Consumer1' // Замените на полное имя класса вашего приложения
classpath = sourceSets.main.runtimeClasspath
}
task runApp2(type: JavaExec) {
main = 'org.example.Consumer2' // Замените на полное имя класса вашего приложения
classpath = sourceSets.main.runtimeClasspath
}
task runApp3(type: JavaExec) {
main = 'org.example.Publisher' // Замените на полное имя класса вашего приложения
classpath = sourceSets.main.runtimeClasspath
}
task runAll {
description = 'Run all three applications concurrently'
group = 'application'
dependsOn runApp1, runApp2, runApp3
}*/

View File

@ -1,6 +0,0 @@
#Thu Jan 11 14:32:39 GMT+04:00 2024
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

View File

@ -1,234 +0,0 @@
#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

View File

@ -1,89 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

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rootProject.name = 'lab4'

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@ -1,42 +0,0 @@
package org.example;
import com.rabbitmq.client.*;
public class Consumer1 {
private static final String QUEUE_NAME = "queue1";
private static final String EXCHANGE_NAME = "exchange";
public static void main(String[] args) throws Exception {
try {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "");
DeliverCallback deliverCallback = (consumerTag, delivery) -> {
String message = new String(delivery.getBody());
try {
System.out.println("Consumer1 received" + message);
Thread.sleep(3000);
} catch (InterruptedException e) {
e.printStackTrace();
}
System.out.println(" Consumer1 processed the following message: " + message);
};
channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {});
System.out.println("Consumer1 is waiting for messages");
while (true) {
// Поддержание работы приложения
}
} catch (Exception e) {
e.printStackTrace();
}
}
}

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@ -1,37 +0,0 @@
package org.example;
import com.rabbitmq.client.*;
public class Consumer2 {
private static final String EXCHANGE_NAME = "exchange";
private static final String QUEUE_NAME = "queue2";
public static void main(String[] args) throws Exception {
try {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
Connection connection = factory.newConnection();
Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME, false, false, false, null);
channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "");
DeliverCallback deliverCallback = (consumerTag, delivery) -> {
String message = new String(delivery.getBody());
System.out.println("Consumer2 received" + message);
// моментальная обработка сообщений
System.out.println("Consumer2 processed the following message: " + message);
};
channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {});
System.out.println("Consumer2 is waiting for messages");
while (true) {
// Поддержание работы приложения
}
} catch (Exception e) {
e.printStackTrace();
}
}
}

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@ -1,35 +0,0 @@
package org.example;
import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;
import java.util.Random;
public class Publisher {
private static final String EXCHANGE_NAME = "exchange";
public static void main(String[] args) throws Exception {
ConnectionFactory factory = new ConnectionFactory();
factory.setHost("localhost");
try (Connection connection = factory.newConnection();
Channel channel = connection.createChannel()) {
channel.exchangeDeclare(EXCHANGE_NAME, "fanout");
while (true) {
String message = generateMessage(); // Генерация сообщения для журнала событий
channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes());
System.out.println("Sent: " + message);
Thread.sleep(1000); // Ожидание 1 секунду
}
} catch (Exception e) {
e.printStackTrace();
}
}
private static String generateMessage() {
Random random = new Random();
return "message №" + random.nextInt(100) + 1;
}
}

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@ -1,29 +0,0 @@
### IntelliJ IDEA ###
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

View File

@ -1,98 +0,0 @@
# Лабораторная работа №5
## Задание
Кратко: реализовать умножение двух больших квадратных матриц.
Подробно: в лабораторной работе требуется сделать два алгоритма: обычный и параллельный. В параллельном алгоритме предусмотреть ручное задание количества потоков, каждый из которых будет выполнять умножение элементов матрицы в рамках своей зоны ответственности.
## Ход работы
### Последовательный алгоритм
```
public static int[][] multiplyMatricesSequential(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
for (int i = 0; i < rows1; i++) {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[i][j] += matrix1[i][k] * matrix2[k][j];
}
}
}
return result;
}
```
### Параллельный алгоритм
```
public static int[][] multiplyMatricesParallel(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
int numberOfThreads = 5; // Количество потоков
ExecutorService executor = Executors.newFixedThreadPool(numberOfThreads);
for (int i = 0; i < rows1; i++) {
final int row = i;
executor.execute(new Runnable() {
@Override
public void run() {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[row][j] += matrix1[row][k] * matrix2[k][j];
}
}
}
});
}
executor.shutdown();
while (!executor.isTerminated()) {
// Ожидаем завершения всех потоков
}
return result;
}
```
## Результат
Была проверка времени выполнения алгоритма для матриц размером 100х100, 300х300, 500х500 с разным количеством потоков.
100х100, 1 поток
![100thr1.png](screenshots%2F100thr1.png)
100х100, 5 потоков
![100thr5.png](screenshots%2F100thr5.png)
300х300, 1 поток
![300thr1.png](screenshots%2F300thr1.png)
300х300, 5 потоков
![300thr5.png](screenshots%2F300thr5.png)
500х500, 1 поток
![500th1.png](screenshots%2F500th1.png)
500х500, 5 потоков
![500thr5.png](screenshots%2F500thr5.png)
Из данных скриншотов видно, что в случае с матрицей 100х100 последовательный алгоритм работает лучше, чем параллельный.
Для остальных матриц параллельный алгоритм работает лучше, а также увеличение кол-ва потоков уменьшает время выполнения алгоритма. (хотя в случае матрицы 100х100 - сильно увеличивает)
Работоспособность показана в видео: [lab5.mp4](lab5.mp4)

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import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class Matrix100x100 {
private static final int SIZE = 100;
public static void main(String[] args) {
int[][] matrix1 = generateMatrix(SIZE, SIZE);
int[][] matrix2 = generateMatrix(SIZE, SIZE);
long startTime = System.currentTimeMillis();
int[][] resultSequential = multiplyMatricesSequential(matrix1, matrix2);
long endTime = System.currentTimeMillis();
long sequentialTime = endTime - startTime;
startTime = System.currentTimeMillis();
int[][] resultParallel = multiplyMatricesParallel(matrix1, matrix2);
endTime = System.currentTimeMillis();
long parallelTime = endTime - startTime;
System.out.println("Sequential multiplication time: " + sequentialTime + " ms");
System.out.println("Parallel multiplication time: " + parallelTime + " ms");
}
public static int[][] multiplyMatricesSequential(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
for (int i = 0; i < rows1; i++) {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[i][j] += matrix1[i][k] * matrix2[k][j];
}
}
}
return result;
}
public static int[][] multiplyMatricesParallel(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
int numberOfThreads = 5; // Количество потоков
ExecutorService executor = Executors.newFixedThreadPool(numberOfThreads);
for (int i = 0; i < rows1; i++) {
final int row = i;
executor.execute(new Runnable() {
@Override
public void run() {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[row][j] += matrix1[row][k] * matrix2[k][j];
}
}
}
});
}
executor.shutdown();
while (!executor.isTerminated()) {
// Ожидаем завершения всех потоков
}
return result;
}
public static int[][] generateMatrix(int rows, int columns) {
int[][] matrix = new int[rows][columns];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
matrix[i][j] = (int) (Math.random() * 10);
}
}
return matrix;
}
}

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@ -1,84 +0,0 @@
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class Matrix300x300 {
private static final int SIZE = 300;
public static void main(String[] args) {
int[][] matrix1 = generateMatrix(SIZE, SIZE);
int[][] matrix2 = generateMatrix(SIZE, SIZE);
long startTime = System.currentTimeMillis();
int[][] resultSequential = multiplyMatricesSequential(matrix1, matrix2);
long endTime = System.currentTimeMillis();
long sequentialTime = endTime - startTime;
startTime = System.currentTimeMillis();
int[][] resultParallel = multiplyMatricesParallel(matrix1, matrix2);
endTime = System.currentTimeMillis();
long parallelTime = endTime - startTime;
System.out.println("Sequential multiplication time: " + sequentialTime + " ms");
System.out.println("Parallel multiplication time: " + parallelTime + " ms");
}
public static int[][] multiplyMatricesSequential(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
for (int i = 0; i < rows1; i++) {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[i][j] += matrix1[i][k] * matrix2[k][j];
}
}
}
return result;
}
public static int[][] multiplyMatricesParallel(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
int numberOfThreads = 5; // Количество потоков
ExecutorService executor = Executors.newFixedThreadPool(numberOfThreads);
for (int i = 0; i < rows1; i++) {
final int row = i;
executor.execute(new Runnable() {
@Override
public void run() {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[row][j] += matrix1[row][k] * matrix2[k][j];
}
}
}
});
}
executor.shutdown();
while (!executor.isTerminated()) {
// Ожидаем завершения всех потоков
}
return result;
}
public static int[][] generateMatrix(int rows, int columns) {
int[][] matrix = new int[rows][columns];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
matrix[i][j] = (int) (Math.random() * 10);
}
}
return matrix;
}
}

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@ -1,84 +0,0 @@
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class Matrix500x500 {
private static final int SIZE = 500;
public static void main(String[] args) {
int[][] matrix1 = generateMatrix(SIZE, SIZE);
int[][] matrix2 = generateMatrix(SIZE, SIZE);
long startTime = System.currentTimeMillis();
int[][] resultSequential = multiplyMatricesSequential(matrix1, matrix2);
long endTime = System.currentTimeMillis();
long sequentialTime = endTime - startTime;
startTime = System.currentTimeMillis();
int[][] resultParallel = multiplyMatricesParallel(matrix1, matrix2);
endTime = System.currentTimeMillis();
long parallelTime = endTime - startTime;
System.out.println("Sequential multiplication time: " + sequentialTime + " ms");
System.out.println("Parallel multiplication time: " + parallelTime + " ms");
}
public static int[][] multiplyMatricesSequential(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
for (int i = 0; i < rows1; i++) {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[i][j] += matrix1[i][k] * matrix2[k][j];
}
}
}
return result;
}
public static int[][] multiplyMatricesParallel(int[][] matrix1, int[][] matrix2) {
int rows1 = matrix1.length;
int columns1 = matrix1[0].length;
int columns2 = matrix2[0].length;
int[][] result = new int[rows1][columns2];
int numberOfThreads = 1; // Количество потоков
ExecutorService executor = Executors.newFixedThreadPool(numberOfThreads);
for (int i = 0; i < rows1; i++) {
final int row = i;
executor.execute(new Runnable() {
@Override
public void run() {
for (int j = 0; j < columns2; j++) {
for (int k = 0; k < columns1; k++) {
result[row][j] += matrix1[row][k] * matrix2[k][j];
}
}
}
});
}
executor.shutdown();
while (!executor.isTerminated()) {
// Ожидаем завершения всех потоков
}
return result;
}
public static int[][] generateMatrix(int rows, int columns) {
int[][] matrix = new int[rows][columns];
for (int i = 0; i < rows; i++) {
for (int j = 0; j < columns; j++) {
matrix[i][j] = (int) (Math.random() * 10);
}
}
return matrix;
}
}

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@ -1,29 +0,0 @@
### IntelliJ IDEA ###
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

View File

@ -1,105 +0,0 @@
# Лабораторная работа №6
## Задание
Кратко: реализовать нахождение детерминанта квадратной матрицы.
Подробно: в лабораторной работе требуется сделать два алгоритма: обычный и параллельный. В параллельном алгоритме предусмотреть ручное задание количества потоков, каждый из которых будет выполнять нахождение отдельной группы множителей.
## Ход работы
### Обычный алгоритм
```
private static BigDecimal findDeterminantGauss(double[][] matrix) {
int n = matrix.length;
BigDecimal det = BigDecimal.ONE;
for (int i = 0; i < n; i++) {
int maxRow = i;
for (int j = i + 1; j < n; j++) {
if (Math.abs(matrix[j][i]) > Math.abs(matrix[maxRow][i])) {
maxRow = j;
}
}
if (maxRow != i) {
double[] temp = matrix[i];
matrix[i] = matrix[maxRow];
matrix[maxRow] = temp;
det = det.multiply(BigDecimal.valueOf(-1));
}
for (int j = i + 1; j < n; j++) {
double factor = matrix[j][i] / matrix[i][i];
for (int k = i; k < n; k++) {
matrix[j][k] -= factor * matrix[i][k];
}
}
}
for (int i = 0; i < n; i++) {
det = det.multiply(BigDecimal.valueOf(matrix[i][i]));
}
return det;
}
```
### Параллельный алгоритм
```
private static BigDecimal findDeterminantGaussParallel(double[][] matrix, int threadsCount) {
int n = matrix.length;
final BigDecimal[] det = {BigDecimal.ONE};
ExecutorService executor = Executors.newFixedThreadPool(threadsCount);
for (int i = 0; i < n; i++) {
final int rowIdx = i;
int maxRow = rowIdx;
for (int j = rowIdx + 1; j < n; j++) {
if (Math.abs(matrix[j][rowIdx]) > Math.abs(matrix[maxRow][rowIdx])) {
maxRow = j;
}
}
if (maxRow != rowIdx) {
double[] temp = matrix[rowIdx];
matrix[rowIdx] = matrix[maxRow];
matrix[maxRow] = temp;
det[0] = det[0].multiply(BigDecimal.valueOf(-1));
}
executor.execute(() -> {
for (int j = rowIdx + 1; j < n; j++) {
double factor = matrix[j][rowIdx] / matrix[rowIdx][rowIdx];
for (int k = rowIdx; k < n; k++) {
matrix[j][k] -= factor * matrix[rowIdx][k];
}
}
});
det[0] = det[0].multiply(BigDecimal.valueOf(matrix[rowIdx][rowIdx]));
}
executor.shutdown();
try {
executor.awaitTermination(1, TimeUnit.DAYS);
} catch (InterruptedException e) {
e.printStackTrace();
}
return det[0];
}
```
## Результат
Была проверка времени выполнения алгоритма для матриц размером 100х100, 300х300, 500х500 с разным количеством потоков.
![img.png](img.png)
Из данного скриншота можно сделать вывод, что нахождение детерминанта для матрицы:
- 100х100 - обычный алгоритм работает лучше параллельного, но разница не сказать что значительная
- 300х300 - обычный алгоритм работает хуже параллельного, но при добавлении потоков параллельный алгоритм работает чуть хуже
- 500х500 - обычный алгоритм работает значительно лучше параллельного, но параллельный начинает показывать себя лучше при увеличении количества потоков (но обычный алгоритм все равно лучше)
Работоспособность показана в видео: [lab6.mp4](lab6.mp4)

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@ -1,123 +0,0 @@
import java.math.BigDecimal;
import java.util.Arrays;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
public class Main {
public static double[][] generateMatrix(int n) {
double[][] matrix = new double[n][n];
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
matrix[i][j] = Math.round((Math.random() * 5));
}
}
return matrix;
}
private static BigDecimal findDeterminantGauss(double[][] matrix) {
int n = matrix.length;
BigDecimal det = BigDecimal.ONE;
for (int i = 0; i < n; i++) {
int maxRow = i;
for (int j = i + 1; j < n; j++) {
if (Math.abs(matrix[j][i]) > Math.abs(matrix[maxRow][i])) {
maxRow = j;
}
}
if (maxRow != i) {
double[] temp = matrix[i];
matrix[i] = matrix[maxRow];
matrix[maxRow] = temp;
det = det.multiply(BigDecimal.valueOf(-1));
}
for (int j = i + 1; j < n; j++) {
double factor = matrix[j][i] / matrix[i][i];
for (int k = i; k < n; k++) {
matrix[j][k] -= factor * matrix[i][k];
}
}
}
for (int i = 0; i < n; i++) {
det = det.multiply(BigDecimal.valueOf(matrix[i][i]));
}
return det;
}
private static BigDecimal findDeterminantGaussParallel(double[][] matrix, int threadsCount) {
int n = matrix.length;
final BigDecimal[] det = {BigDecimal.ONE};
ExecutorService executor = Executors.newFixedThreadPool(threadsCount);
for (int i = 0; i < n; i++) {
final int rowIdx = i;
int maxRow = rowIdx;
for (int j = rowIdx + 1; j < n; j++) {
if (Math.abs(matrix[j][rowIdx]) > Math.abs(matrix[maxRow][rowIdx])) {
maxRow = j;
}
}
if (maxRow != rowIdx) {
double[] temp = matrix[rowIdx];
matrix[rowIdx] = matrix[maxRow];
matrix[maxRow] = temp;
det[0] = det[0].multiply(BigDecimal.valueOf(-1));
}
executor.execute(() -> {
for (int j = rowIdx + 1; j < n; j++) {
double factor = matrix[j][rowIdx] / matrix[rowIdx][rowIdx];
for (int k = rowIdx; k < n; k++) {
matrix[j][k] -= factor * matrix[rowIdx][k];
}
}
});
det[0] = det[0].multiply(BigDecimal.valueOf(matrix[rowIdx][rowIdx]));
}
executor.shutdown();
try {
executor.awaitTermination(1, TimeUnit.DAYS);
} catch (InterruptedException e) {
e.printStackTrace();
}
return det[0];
}
public static void main(String[] args) {
run(100, 1);
run(100, 5);
run(300, 1);
run(300, 5);
run(500, 1);
run(500, 5);
}
public static void run(int n, int threadCount) {
System.out.println(String.format("Размер матрицы: %d х %d", n, n));
double[][] a = generateMatrix(n);
double[][] aClone = Arrays.copyOf(a, n);
long time = System.currentTimeMillis();
BigDecimal determinantGauss = findDeterminantGauss(a);
System.out.println("Время выполнения: " + (System.currentTimeMillis() - time) + "ms");
time = System.currentTimeMillis();
BigDecimal determinantGaussAsync = findDeterminantGaussParallel(aClone, threadCount);
System.out.println("Время параллельного выполнения: " + (System.currentTimeMillis() - time) + "ms, " +
"количество потоков: " + threadCount);
System.out.println();
}
}

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