91 lines
2.9 KiB
Java
91 lines
2.9 KiB
Java
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package laba1Loco;
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public class SetGeneric<T extends Object> {
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/// <summary>
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/// Массив объектов, которые храним
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/// </summary>
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private Object[] _places;
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/// <summary>
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/// Количество объектов в массиве
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/// </summary>
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public int Count;
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/// <summary>
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/// Конструктор
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/// </summary>
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/// <param name="count"></param>
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public SetGeneric(int count)
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{
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_places = new Object[count];
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Count = _places.length;
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}
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/// <summary>
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/// Добавление объекта в набор
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/// </summary>
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/// <param name="train">Добавляемый поезд</param>
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/// <returns></returns>
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public int Insert(T train)
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{
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int i = 0;
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for (;i < _places.length; i++)
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{
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if (_places[i] == null)
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break;
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}
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if (i == _places.length)
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return -1;
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for (; i > 0; i--)
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{
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_places[i] = _places[i - 1];
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}
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_places[i] = train;
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return i;
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}
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/// <summary>
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/// Добавление объекта в набор на конкретную позицию
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/// </summary>
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/// <param name="train">Добавляемый поезд</param>
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/// <param name="position">Позиция</param>
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/// <returns></returns>
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public boolean Insert(T train, int position)
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{
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if (position < 0 || position >= _places.length)
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return false;
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for (; position < _places.length; position++)
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{
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if (_places[position] == null)
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break;
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}
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if (position == _places.length)
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return false;
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for (; position > 0; position--)
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{
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_places[position] = _places[position - 1];
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}
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_places[position] = train;
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return true;
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}
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/// <summary>
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/// Удаление объекта из набора с конкретной позиции
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/// </summary>
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/// <param name="position"></param>
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/// <returns></returns>
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public boolean Remove(int position)
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{
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if (position < 0 || position >= _places.length)
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return false;
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_places[position] = null;
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return true;
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}
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/// <summary>
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/// Получение объекта из набора по позиции
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/// </summary>
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/// <param name="position"></param>
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/// <returns></returns>
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public T Get(int position)
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{
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if (position < 0 || position >= _places.length)
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return null;
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return (T)_places[position];
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}
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}
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