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.idetronic.eprint.service.persistence; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import java.io.Serializable; /** * @author matle */ public class EprintSubjectPK implements Comparable<EprintSubjectPK>, Serializable { public long eprintId; public String subjectId; public EprintSubjectPK() { } public EprintSubjectPK(long eprintId, String subjectId) { this.eprintId = eprintId; this.subjectId = subjectId; } public long getEprintId() { return eprintId; } public void setEprintId(long eprintId) { this.eprintId = eprintId; } public String getSubjectId() { return subjectId; } public void setSubjectId(String subjectId) { this.subjectId = subjectId; } public int compareTo(EprintSubjectPK pk) { if (pk == null) { return -1; } int value = 0; if (eprintId < pk.eprintId) { value = -1; } else if (eprintId > pk.eprintId) { value = 1; } else { value = 0; } if (value != 0) { return value; } value = subjectId.compareTo(pk.subjectId); if (value != 0) { return value; } return 0; } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (!(obj instanceof EprintSubjectPK)) { return false; } EprintSubjectPK pk = (EprintSubjectPK) obj; if ((eprintId == pk.eprintId) && (subjectId.equals(pk.subjectId))) { return true; } else { return false; } } @Override public int hashCode() { return (String.valueOf(eprintId) + String.valueOf(subjectId)).hashCode(); } @Override public String toString() { StringBundler sb = new StringBundler(10); sb.append(StringPool.OPEN_CURLY_BRACE); sb.append("eprintId"); sb.append(StringPool.EQUAL); sb.append(eprintId); sb.append(StringPool.COMMA); sb.append(StringPool.SPACE); sb.append("subjectId"); sb.append(StringPool.EQUAL); sb.append(subjectId); sb.append(StringPool.CLOSE_CURLY_BRACE); return sb.toString(); } }