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Java > Open Source Codes > com > sun > org > apache > xpath > internal > operations > Lt


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 /*
17  * $Id: Lt.java,v 1.7 2004/02/17 04:35:12 minchau Exp $
18  */
19 package com.sun.org.apache.xpath.internal.operations;
20
21 import com.sun.org.apache.xpath.internal.objects.XBoolean;
22 import com.sun.org.apache.xpath.internal.objects.XObject;
23
24 /**
25  * The '<' operation expression executer.
26  */
27 public class Lt extends Operation
28 {
29
30   /**
31    * Apply the operation to two operands, and return the result.
32    *
33    *
34    * @param left non-null reference to the evaluated left operand.
35    * @param right non-null reference to the evaluated right operand.
36    *
37    * @return non-null reference to the XObject that represents the result of the operation.
38    *
39    * @throws javax.xml.transform.TransformerException
40    */
41   public XObject operate(XObject left, XObject right)
42           throws javax.xml.transform.TransformerException JavaDoc
43   {
44     return left.lessThan(right) ? XBoolean.S_TRUE : XBoolean.S_FALSE;
45   }
46 }
47
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