LList.java

/*
 * Copyright 2013 Hannes Janetzek
 *
 * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
 *
 * This program is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.oscim.utils.pool;

public class LList<T> extends Inlist<LList<T>> {
	public LList(T l) {
		data = l;
	}

	public final T data;

	public static <E extends LList<T>, T> LList<T> find(LList<T> list, T item) {
		for (LList<T> l = list; l != null; l = l.next)
			if (l.data == item)
				return l;

		return null;
	}

	public static <E extends LList<T>, T> LList<T> remove(LList<T> list, T item) {
		if (list.data == item)
			return list.next;

		LList<T> prev = list;
		for (LList<T> l = list.next; l != null; l = l.next)
			if (l.data == item) {
				prev.next = l.next;
				break;
			}

		return list;
	}

	public static <T extends LList<T>> LList<T> push(LList<T> list, T item) {
		item.next = list;
		return item;
	}

}