Java tutorial
/** * Copyright (c) 2000-2012 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 org.nirmalavidya.lrmodel.service.persistence; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import java.io.Serializable; /** * @author Jayansh */ public class AlbumDocumentInfoPK implements Comparable<AlbumDocumentInfoPK>, Serializable { public int id_album; public int id_document_info; public AlbumDocumentInfoPK() { } public AlbumDocumentInfoPK(int id_album, int id_document_info) { this.id_album = id_album; this.id_document_info = id_document_info; } public int getId_album() { return id_album; } public void setId_album(int id_album) { this.id_album = id_album; } public int getId_document_info() { return id_document_info; } public void setId_document_info(int id_document_info) { this.id_document_info = id_document_info; } public int compareTo(AlbumDocumentInfoPK pk) { if (pk == null) { return -1; } int value = 0; if (id_album < pk.id_album) { value = -1; } else if (id_album > pk.id_album) { value = 1; } else { value = 0; } if (value != 0) { return value; } if (id_document_info < pk.id_document_info) { value = -1; } else if (id_document_info > pk.id_document_info) { value = 1; } else { value = 0; } if (value != 0) { return value; } return 0; } @Override public boolean equals(Object obj) { if (obj == null) { return false; } AlbumDocumentInfoPK pk = null; try { pk = (AlbumDocumentInfoPK) obj; } catch (ClassCastException cce) { return false; } if ((id_album == pk.id_album) && (id_document_info == pk.id_document_info)) { return true; } else { return false; } } @Override public int hashCode() { return (String.valueOf(id_album) + String.valueOf(id_document_info)).hashCode(); } @Override public String toString() { StringBundler sb = new StringBundler(10); sb.append(StringPool.OPEN_CURLY_BRACE); sb.append("id_album"); sb.append(StringPool.EQUAL); sb.append(id_album); sb.append(StringPool.COMMA); sb.append(StringPool.SPACE); sb.append("id_document_info"); sb.append(StringPool.EQUAL); sb.append(id_document_info); sb.append(StringPool.CLOSE_CURLY_BRACE); return sb.toString(); } }