/* * Copyright (c) 2010, grossmann * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the name of the jo-widgets.org nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL jo-widgets.org BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH * DAMAGE. */ package org.jowidgets.util; import java.io.Serializable; public class Tuple<FIRST_TYPE, SECOND_TYPE> implements Serializable { private static final long serialVersionUID = -3197651699285507006L; private final FIRST_TYPE first; private final SECOND_TYPE second; public Tuple(final FIRST_TYPE first, final SECOND_TYPE second) { this.first = first; this.second = second; } public FIRST_TYPE getFirst() { return first; } public SECOND_TYPE getSecond() { return second; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((first == null) ? 0 : first.hashCode()); result = prime * result + ((second == null) ? 0 : second.hashCode()); return result; } @SuppressWarnings("rawtypes") @Override public boolean equals(final Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (getClass() != obj.getClass()) { return false; } final Tuple other = (Tuple) obj; if (first == null) { if (other.first != null) { return false; } } else if (!first.equals(other.first)) { return false; } if (second == null) { if (other.second != null) { return false; } } else if (!second.equals(other.second)) { return false; } return true; } @Override public String toString() { return "(" + first + " / " + second + ")"; } }