001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.store.memory;
018    
019    import java.io.IOException;
020    import java.util.HashMap;
021    import java.util.Map;
022    
023    import org.apache.servicemix.id.IdGenerator;
024    import org.apache.servicemix.store.Store;
025    import org.apache.servicemix.store.StoreFactory;
026    
027    public class MemoryStoreFactory implements StoreFactory {
028    
029        private IdGenerator idGenerator = new IdGenerator();
030        private Map<String, MemoryStore> stores = new HashMap<String, MemoryStore>();
031        
032        /* (non-Javadoc)
033         * @see org.apache.servicemix.store.ExchangeStoreFactory#get(java.lang.String)
034         */
035        public synchronized Store open(String name) throws IOException {
036            MemoryStore store = stores.get(name);
037            if (store == null) {
038                store = new MemoryStore(idGenerator);
039                stores.put(name, store);
040            }
041            return store;
042        }
043    
044        /* (non-Javadoc)
045         * @see org.apache.servicemix.store.ExchangeStoreFactory#release(org.apache.servicemix.store.ExchangeStore)
046         */
047        public synchronized void close(Store store) throws IOException {
048            stores.remove(store);
049        }
050        
051    }