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: Lt.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 Lt extends Operation
30 {
31     static final long serialVersionUID = 3388420509289359422L;
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.lessThan(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
48   }
49 }
50