001 /** 002 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 003 * 004 * This library is free software; you can redistribute it and/or modify it under 005 * the terms of the GNU Lesser General Public License as published by the Free 006 * Software Foundation; either version 2.1 of the License, or (at your option) 007 * any later version. 008 * 009 * This library is distributed in the hope that it will be useful, but WITHOUT 010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 011 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 012 * details. 013 */ 014 015 package com.liferay.portal.dao.orm.hibernate; 016 017 import com.liferay.portal.kernel.util.StringPool; 018 019 /** 020 * @author Brian Wing Shun Chan 021 */ 022 public class StringType extends org.hibernate.type.StringType { 023 024 public boolean isEqual(Object x, Object y) { 025 boolean equal = super.isEqual(x, y); 026 027 if (!equal) { 028 if (((x == null) || x.equals(StringPool.BLANK)) && 029 ((y == null) || y.equals(StringPool.BLANK))) { 030 031 equal = true; 032 } 033 else { 034 equal = false; 035 } 036 } 037 038 return equal; 039 } 040 041 }