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1   /***
2    *  Copyright 2003-2010 Terracotta, Inc.
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  package net.sf.ehcache.search.expression;
18  
19  import java.util.Map;
20  
21  import net.sf.ehcache.Element;
22  import net.sf.ehcache.search.attribute.AttributeExtractor;
23  
24  /***
25   * Criteria that always return true
26   *
27   * @author teck
28   */
29  public class AlwaysMatch extends BaseCriteria {
30  
31      /***
32       * {@inheritDoc}
33       */
34      public boolean execute(Element e, Map<String, AttributeExtractor> attributeExtractors) {
35          return true;
36      }
37  
38      /***
39       * {@inheritDoc}
40       */
41      @Override
42      public Criteria and(Criteria other) {
43          return other;
44      }
45  
46      /***
47       * {@inheritDoc}
48       */
49      @Override
50      public Criteria or(Criteria other) {
51          return this;
52      }
53  }