01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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.Map;
21: import java.util.concurrent.ConcurrentHashMap;
22:
23: import org.apache.commons.logging.Log;
24: import org.apache.commons.logging.LogFactory;
25: import org.apache.servicemix.id.IdGenerator;
26: import org.apache.servicemix.store.Store;
27:
28: /**
29: * A simple memory store implementation based on a simple map.
30: * This store is neither clusterable, nor persistent, nor transactional.
31: *
32: * @author gnodet
33: */
34: public class MemoryStore implements Store {
35:
36: private static final Log LOG = LogFactory.getLog(MemoryStore.class);
37:
38: private Map<String, Object> datas = new ConcurrentHashMap<String, Object>();
39:
40: private IdGenerator idGenerator;
41:
42: public MemoryStore(IdGenerator idGenerator) {
43: this .idGenerator = idGenerator;
44: }
45:
46: public boolean hasFeature(String name) {
47: return false;
48: }
49:
50: public void store(String id, Object data) throws IOException {
51: LOG.debug("Storing object with id: " + id);
52: datas.put(id, data);
53: }
54:
55: public String store(Object data) throws IOException {
56: String id = idGenerator.generateId();
57: store(id, data);
58: return id;
59: }
60:
61: public Object load(String id) throws IOException {
62: LOG.debug("Loading object with id: " + id);
63: return datas.remove(id);
64: }
65:
66: }
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