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1   package org.apache.commons.ognl.internal;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.commons.ognl.ClassCacheInspector;
23  import org.apache.commons.ognl.internal.entry.CacheEntryFactory;
24  
25  /*
26   * $Id: ConcurrentHashMapClassCache.java 1194950 2011-10-29 17:52:20Z mcucchiara $
27   */
28  
29  public class ConcurrentHashMapClassCache<T>
30      extends ConcurrentHashMapCache<Class<?>, T>
31      implements ClassCache<T>
32  {
33      private ClassCacheInspector inspector;
34  
35      public ConcurrentHashMapClassCache( CacheEntryFactory<Class<?>, T> entryFactory )
36      {
37          super( entryFactory );
38      }
39  
40      public void setClassInspector( ClassCacheInspector inspector )
41      {
42          this.inspector = inspector;
43      }
44  
45      @Override
46      public T put( Class<?> key, T value )
47      {
48          if ( inspector != null && !inspector.shouldCache( key ) )
49          {
50              return value;
51          }
52          return super.put( key, value );
53      }
54  }