LimitedQueue.java

package codeine.utils;

import java.util.LinkedList;

public class LimitedQueue<E> extends LinkedList<E>
{
	private static final long serialVersionUID = 1L;
	private int limit;
	
	public LimitedQueue(int limit)
	{
		this.limit = limit;
		if (limit < 1)
		{
			throw new IllegalArgumentException("Queue limit must be greater than 0");
		}
	}
	
	@Override
	public boolean add(E o)
	{
		super.add(o);
		while (size() > limit)
		{
			super.remove();
		}
		return true;
	}
}