MemoryStoreFactory


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.servicemix.store.memory;
18  
19  import java.io.IOException  ;
20  import java.util.HashMap  ;
21  import java.util.Map  ;
22  
23  import org.apache.servicemix.id.IdGenerator;
24  import org.apache.servicemix.store.Store;
25  import org.apache.servicemix.store.StoreFactory;
26  
27  public class MemoryStoreFactory implements StoreFactory {
28  
29      private IdGenerator idGenerator = new IdGenerator();
30      private Map   stores = new HashMap  ();
31      
32      /* (non-Javadoc)
33       * @see org.apache.servicemix.store.ExchangeStoreFactory#get(java.lang.String)
34       */
35      public synchronized Store open(String   name) throws IOException   {
36          MemoryStore store = (MemoryStore) stores.get(name);
37          if (store == null) {
38              store = new MemoryStore(idGenerator);
39              stores.put(name, store);
40          }
41          return store;
42      }
43  
44      /* (non-Javadoc)
45       * @see org.apache.servicemix.store.ExchangeStoreFactory#release(org.apache.servicemix.store.ExchangeStore)
46       */
47      public synchronized void close(Store store) throws IOException   {
48          stores.remove(store);
49      }
50      
51  }
52
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