1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.el;
18
19 /**
20 *
21 * <p>The implementation of the equals operator
22 *
23 * @author Nathan Abramson - Art Technology Group
24 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $
25 **/
26
27 public class EqualsOperator
28 extends EqualityOperator
29 {
30 //-------------------------------------
31 // Singleton
32 //-------------------------------------
33
34 public static final EqualsOperator SINGLETON =
35 new EqualsOperator ();
36
37 //-------------------------------------
38 /**
39 *
40 * Constructor
41 **/
42 public EqualsOperator ()
43 {
44 }
45
46 //-------------------------------------
47 // Expression methods
48 //-------------------------------------
49 /**
50 *
51 * Returns the symbol representing the operator
52 **/
53 public String getOperatorSymbol ()
54 {
55 return "==";
56 }
57
58 //-------------------------------------
59 /**
60 *
61 * Applies the operator given the fact that the two elements are
62 * equal.
63 **/
64 public boolean apply (boolean pAreEqual)
65 {
66 return pAreEqual;
67 }
68
69 //-------------------------------------
70 }