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solution is to use @LazyCollection(LazyCollectionOption.FALSE) instead of FetchType

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VictoriaPresnyakova 2023-04-15 18:55:45 +04:00
parent de7cc57fd4
commit ee092b86e1
5 changed files with 20 additions and 20 deletions
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data.mv.db
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20
src/main/java/ru/ulstu/is/sbapp/repair/model/Component.java
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@ -1,7 +1,5 @@
package ru.ulstu.is.sbapp.repair.model;
import com.fasterxml.jackson.annotation.JsonIgnore;
import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;
@ -18,18 +16,18 @@ public class Component {
@Column(name = "amount")
private Integer amount;
@ManyToMany(mappedBy = "componentsList")
private List<Favor> favorsList;
@ManyToMany(fetch = FetchType.EAGER, mappedBy = "componentsList", cascade = CascadeType.REMOVE)
private List<Favor> favorsListFromComponents;
public Component() {
favorsList = new ArrayList<>();
favorsListFromComponents = new ArrayList<>();
}
public Component(String componentName, Integer amount) {
this.componentName = componentName;
this.amount = amount;
favorsList = new ArrayList<>();
favorsListFromComponents = new ArrayList<>();
}
public Long getId() {
@ -53,14 +51,14 @@ public class Component {
}
public List<Favor> getFavors() {
return favorsList;
return favorsListFromComponents;
}
public void addFavor(Favor favor) {
if (favorsList == null)
favorsList = new ArrayList<>();
if (!favorsList.contains(favor)){
favorsList.add(favor);
if (favorsListFromComponents == null)
favorsListFromComponents = new ArrayList<>();
if (!favorsListFromComponents.contains(favor)){
favorsListFromComponents.add(favor);
}
if (!favor.getComponents().contains(this)) {
favor.addComponent(this);

7
src/main/java/ru/ulstu/is/sbapp/repair/model/Favor.java
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@ -1,6 +1,8 @@
package ru.ulstu.is.sbapp.repair.model;
import com.fasterxml.jackson.annotation.JsonIgnore;
import org.hibernate.annotations.LazyCollection;
import org.hibernate.annotations.LazyCollectionOption;
import javax.persistence.*;
import java.util.ArrayList;
@ -18,10 +20,11 @@ public class Favor {
@Column(name = "price")
private Integer price;
@ManyToMany(fetch = FetchType.EAGER, mappedBy = "favorsList")
@ManyToMany(fetch = FetchType.EAGER)
private List<Order> ordersList;
@ManyToMany //(fetch = FetchType.EAGER)
@ManyToMany
@LazyCollection(LazyCollectionOption.FALSE)
private List<Component> componentsList;
public Favor() {

5
src/main/java/ru/ulstu/is/sbapp/repair/model/Order.java
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@ -17,10 +17,7 @@ public class Order {
@Column(name = "date")
private Date date;
@ManyToMany (fetch = FetchType.EAGER)
@JoinTable(name = "order_favor",
joinColumns = @JoinColumn(name = "order_fk"),
inverseJoinColumns = @JoinColumn(name = "favor_fk"))
@ManyToMany (fetch = FetchType.EAGER, mappedBy = "ordersList", cascade = CascadeType.REMOVE)
private List<Favor> favorsList;
public Order(){

8
src/test/java/ru/ulstu/is/sbapp/SbappApplicationTests.java
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@ -26,13 +26,15 @@ class SbappApplicationTests {
@Test
void testOrder(){
componentService.deleteAllComponent();
//orderService.deleteAllOrder();
//favorService.deleteAllFavor(); why?
orderService.deleteAllOrder();
favorService.deleteAllFavor();
final Favor favor = favorService.addFavor("Favor1", 100);
final Order order0 = orderService.addOrder("11.02.2023");
final Order order1 = orderService.findOrder(order0.getId());
final Component component1 = componentService.addComponent("comp", 10);
favor.addComponent(component1);
Assertions.assertEquals(order0, order1);
orderService.addFavorToOrder(order0.getId(), favor);
@ -58,7 +60,7 @@ class SbappApplicationTests {
favorService.addComponentToFavor(favor0.getId(), component);
Assertions.assertEquals(favorService.findFavor(favor0.getId()).getComponents().size(), 1);
//Assertions.assertEquals(componentService.findComponent(component.getId()).getFavor(), favor0);
Assertions.assertEquals(componentService.findComponent(component.getId()).getFavors().size(), 1);
favorService.deleteFavor(favor0.getId());
Assertions.assertThrows(EntityNotFoundException.class, () -> favorService.findFavor(favor0.getId()));