tikhomirov@235: /*
tikhomirov@388:  * Copyright (c) 2011-2012 TMate Software Ltd
tikhomirov@235:  *  
tikhomirov@235:  * This program is free software; you can redistribute it and/or modify
tikhomirov@235:  * it under the terms of the GNU General Public License as published by
tikhomirov@235:  * the Free Software Foundation; version 2 of the License.
tikhomirov@235:  *
tikhomirov@235:  * This program is distributed in the hope that it will be useful,
tikhomirov@235:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
tikhomirov@235:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
tikhomirov@235:  * GNU General Public License for more details.
tikhomirov@235:  *
tikhomirov@235:  * For information on how to redistribute this software under
tikhomirov@235:  * the terms of a license other than GNU General Public License
tikhomirov@235:  * contact TMate Software at support@hg4j.com
tikhomirov@235:  */
tikhomirov@235: package org.tmatesoft.hg.util;
tikhomirov@235: 
tikhomirov@235: 
tikhomirov@235: /**
tikhomirov@235:  * Nothing but a holder for two values.
tikhomirov@235:  * 
tikhomirov@235:  * @author Artem Tikhomirov
tikhomirov@235:  * @author TMate Software Ltd.
tikhomirov@235:  */
tikhomirov@235: public final class Pair<T1,T2> {
tikhomirov@235: 	private final T1 value1;
tikhomirov@235: 	private final T2 value2;
tikhomirov@235: 
tikhomirov@235: 	public Pair(T1 v1, T2 v2) {
tikhomirov@235: 		value1 = v1;
tikhomirov@235: 		value2 = v2;
tikhomirov@235: 	}
tikhomirov@235: 
tikhomirov@235: 	public T1 first() {
tikhomirov@235: 		return value1;
tikhomirov@235: 	}
tikhomirov@235: 	public T2 second() {
tikhomirov@235: 		return value2;
tikhomirov@235: 	}
tikhomirov@235: 	public boolean hasFirst() {
tikhomirov@235: 		return value1 != null;
tikhomirov@235: 	}
tikhomirov@235: 	public boolean hasSecond() {
tikhomirov@235: 		return value2 != null;
tikhomirov@235: 	}
tikhomirov@388: 
tikhomirov@388: 	@Override
tikhomirov@388: 	public String toString() {
tikhomirov@388: 		StringBuilder sb = new StringBuilder();
tikhomirov@388: 		sb.append('<');
tikhomirov@388: 		sb.append(first());
tikhomirov@388: 		sb.append(':');
tikhomirov@388: 		sb.append(second());
tikhomirov@388: 		sb.append('>');
tikhomirov@388: 		return sb.toString();
tikhomirov@388: 	}
tikhomirov@235: }
tikhomirov@235: