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1   /*
2    * Copyright 2004 Charles Blaxland
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  package mnemosyne.core;
17  
18  import mnemosyne.aop.AopSystem;
19  import mnemosyne.guid.Guid;
20  import mnemosyne.guid.GuidGenerator;
21  import mnemosyne.lock.NullLock;
22  
23  /***
24   * @version $Id: DefaultPersistentObjectFactory.java,v 1.1.1.1 2004/08/07 06:40:58 charlesblaxland Exp $
25   */
26  public class DefaultPersistentObjectFactory implements PersistentObjectFactory
27  {
28      private GuidGenerator guidGenerator;
29      private VersionManager versionMgr;
30      private Enhancer enhancer;
31  
32      public DefaultPersistentObjectFactory(GuidGenerator guidGenerator, VersionManager versionMgr, AopSystem aopSystem)
33      {
34          this.guidGenerator = guidGenerator;
35          this.versionMgr = versionMgr;
36          this.enhancer = new EnhancerImpl(this, aopSystem);  // TODO - enhancer should be a parameter?
37      }
38  
39      public PersistentObject createPersistentObject()
40      {
41          return createPersistentObject(guidGenerator.generateGUID());
42      }
43  
44      public PersistentObject createPersistentObject(Guid guid)
45      {
46          // TODO - pluggable lock implementation
47          return new PersistentObjectImpl(guid, versionMgr, enhancer, new NullLock());
48      }
49  }