Java tutorial
/** * Copyright (c) 2000-2013 Liferay, Inc. All rights reserved. * * This library 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 2.1 of the License, or (at your option) * any later version. * * This library 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. */ package com.ktree.timezone.model.dao.service.persistence; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import java.io.Serializable; /** * @author vikash@KTree */ public class WorldClockPK implements Comparable<WorldClockPK>, Serializable { public int id; public String place; public WorldClockPK() { } public WorldClockPK(int id, String place) { this.id = id; this.place = place; } public int getId() { return id; } public void setId(int id) { this.id = id; } public String getPlace() { return place; } public void setPlace(String place) { this.place = place; } @Override public int compareTo(WorldClockPK pk) { if (pk == null) { return -1; } int value = 0; if (id < pk.id) { value = -1; } else if (id > pk.id) { value = 1; } else { value = 0; } if (value != 0) { return value; } value = place.compareTo(pk.place); if (value != 0) { return value; } return 0; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!(obj instanceof WorldClockPK)) { return false; } WorldClockPK pk = (WorldClockPK) obj; if ((id == pk.id) && (place.equals(pk.place))) { return true; } else { return false; } } @Override public int hashCode() { return (String.valueOf(id) + String.valueOf(place)).hashCode(); } @Override public String toString() { StringBundler sb = new StringBundler(10); sb.append(StringPool.OPEN_CURLY_BRACE); sb.append("id"); sb.append(StringPool.EQUAL); sb.append(id); sb.append(StringPool.COMMA); sb.append(StringPool.SPACE); sb.append("place"); sb.append(StringPool.EQUAL); sb.append(place); sb.append(StringPool.CLOSE_CURLY_BRACE); return sb.toString(); } }