64 lines
1.5 KiB
Java
64 lines
1.5 KiB
Java
import java.util.ArrayList;
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public class SetLocomotivesGeneric <T>
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{
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/// Список хранимых объектов
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private final ArrayList<T> _places;
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public int Count() {
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return _places.size();
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}
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// Ограничение на количество
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private final int _maxCount;
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public SetLocomotivesGeneric(int count) {
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_maxCount = count;
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_places = new ArrayList<>();
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}
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public int Insert (T locomotive) {
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return Insert(locomotive, 0);
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}
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public int Insert (T locomotive, int position) {
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if (position >= _maxCount|| position < 0) return -1;
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_places.add(position, locomotive);
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return position;
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}
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public T Remove (int position) {
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if (position >= _maxCount || position < 0) return null;
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T result = _places.get(position);
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_places.remove(position);
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return result;
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}
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public T Get(int position)
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{
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if (position >= _maxCount || position < 0)
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{
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return null;
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}
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return _places.get(position);
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}
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/// Проход по набору до первого пустого
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public Iterable<T> GetLocomotives()
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{
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/*for (var locomotive : _places)
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{
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if (locomotive != null)
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{
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yield return locomotive;
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}
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else
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{
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yield break;
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}
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}*/
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return _places;
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}
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}
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