1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 /* 19 * $Id: NotEquals.java 468655 2006-10-28 07:12:06Z minchau $ 20 */ 21 package org.apache.xpath.operations; 22 23 import org.apache.xpath.objects.XBoolean; 24 import org.apache.xpath.objects.XObject; 25 26 /** 27 * The '!=' operation expression executer. 28 */ 29 public class NotEquals extends Operation 30 { 31 static final long serialVersionUID = -7869072863070586900L; 32 33 /** 34 * Apply the operation to two operands, and return the result. 35 * 36 * 37 * @param left non-null reference to the evaluated left operand. 38 * @param right non-null reference to the evaluated right operand. 39 * 40 * @return non-null reference to the XObject that represents the result of the operation. 41 * 42 * @throws javax.xml.transform.TransformerException 43 */ operate(XObject left, XObject right)44 public XObject operate(XObject left, XObject right) 45 throws javax.xml.transform.TransformerException 46 { 47 return (left.notEquals(right)) ? XBoolean.S_TRUE : XBoolean.S_FALSE; 48 } 49 } 50