67 lines
1.2 KiB
Java
67 lines
1.2 KiB
Java
package Classes;
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import java.util.*;
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public class SetAircraftsGeneric<T>
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{
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private final ArrayList<T> _places;
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public int getCount()
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{
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return _places.size();
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}
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private final int _maxCount;
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public SetAircraftsGeneric(int count)
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{
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_maxCount = count;
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_places = new ArrayList<T>();
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}
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public int Insert(T aircraft)
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{
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return Insert(aircraft, 0);
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}
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public int Insert(T aircraft, int position)
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{
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if (position > getCount() || position < 0 || getCount() == _maxCount)
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{
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return -1;
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}
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_places.add(position, aircraft);
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return position;
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}
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public T Remove(int position)
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{
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if (position < getCount() && position >= 0)
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{
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if (_places.get(position) != null)
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{
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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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return null;
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}
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return null;
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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 _places.get(position);
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}
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return null;
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}
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}
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