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.subur.service.persistence; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import java.io.Serializable; /** * @author Mazlan Mat */ public class MetadataPropertyValuePK implements Comparable<MetadataPropertyValuePK>, Serializable { public long itemId; public long propertyId; public MetadataPropertyValuePK() { } public MetadataPropertyValuePK(long itemId, long propertyId) { this.itemId = itemId; this.propertyId = propertyId; } public long getItemId() { return itemId; } public void setItemId(long itemId) { this.itemId = itemId; } public long getPropertyId() { return propertyId; } public void setPropertyId(long propertyId) { this.propertyId = propertyId; } @Override public int compareTo(MetadataPropertyValuePK pk) { if (pk == null) { return -1; } int value = 0; if (itemId < pk.itemId) { value = -1; } else if (itemId > pk.itemId) { value = 1; } else { value = 0; } if (value != 0) { return value; } if (propertyId < pk.propertyId) { value = -1; } else if (propertyId > pk.propertyId) { 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 MetadataPropertyValuePK)) { return false; } MetadataPropertyValuePK pk = (MetadataPropertyValuePK) obj; if ((itemId == pk.itemId) && (propertyId == pk.propertyId)) { return true; } else { return false; } } @Override public int hashCode() { return (String.valueOf(itemId) + String.valueOf(propertyId)).hashCode(); } @Override public String toString() { StringBundler sb = new StringBundler(10); sb.append(StringPool.OPEN_CURLY_BRACE); sb.append("itemId"); sb.append(StringPool.EQUAL); sb.append(itemId); sb.append(StringPool.COMMA); sb.append(StringPool.SPACE); sb.append("propertyId"); sb.append(StringPool.EQUAL); sb.append(propertyId); sb.append(StringPool.CLOSE_CURLY_BRACE); return sb.toString(); } }