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 de.uhh.l2g.plugins.service.persistence; import java.io.Serializable; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; /** * @author Iavor Sturm */ public class CoordinatorPK implements Comparable<CoordinatorPK>, Serializable { public long coordinatorId; public long userId; public CoordinatorPK() { } public CoordinatorPK(long coordinatorId, long userId) { this.coordinatorId = coordinatorId; this.userId = userId; } public long getCoordinatorId() { return coordinatorId; } public void setCoordinatorId(long coordinatorId) { this.coordinatorId = coordinatorId; } public long getUserId() { return userId; } public void setUserId(long userId) { this.userId = userId; } @Override public int compareTo(CoordinatorPK pk) { if (pk == null) { return -1; } int value = 0; if (coordinatorId < pk.coordinatorId) { value = -1; } else if (coordinatorId > pk.coordinatorId) { value = 1; } else { value = 0; } if (value != 0) { return value; } if (userId < pk.userId) { value = -1; } else if (userId > pk.userId) { value = 1; } else { value = 0; } if (value != 0) { return value; } return 0; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!(obj instanceof CoordinatorPK)) { return false; } CoordinatorPK pk = (CoordinatorPK) obj; if ((coordinatorId == pk.coordinatorId) && (userId == pk.userId)) { return true; } else { return false; } } @Override public int hashCode() { return (String.valueOf(coordinatorId) + String.valueOf(userId)).hashCode(); } @Override public String toString() { StringBundler sb = new StringBundler(10); sb.append(StringPool.OPEN_CURLY_BRACE); sb.append("coordinatorId"); sb.append(StringPool.EQUAL); sb.append(coordinatorId); sb.append(StringPool.COMMA); sb.append(StringPool.SPACE); sb.append("userId"); sb.append(StringPool.EQUAL); sb.append(userId); sb.append(StringPool.CLOSE_CURLY_BRACE); return sb.toString(); } }