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1   /*
2    * Copyright 2000-2005 The Apache Software Foundation.
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  
17  package org.apache.portals.graffito.jcr.persistence.objectconverter.impl;
18  
19  import javax.jcr.Node;
20  import javax.jcr.Session;
21  
22  import org.apache.commons.logging.Log;
23  import org.apache.commons.logging.LogFactory;
24  import org.apache.portals.graffito.jcr.mapper.model.CollectionDescriptor;
25  import org.apache.portals.graffito.jcr.persistence.collectionconverter.CollectionConverter;
26  import org.apache.portals.graffito.jcr.persistence.collectionconverter.ManageableCollection;
27  import org.apache.portals.graffito.jcr.persistence.objectconverter.ObjectConverter;
28  
29  import net.sf.cglib.proxy.LazyLoader;
30  
31  public class CollectionLazyLoader implements LazyLoader {
32  
33  	private final static Log log = LogFactory.getLog(CollectionLazyLoader.class);
34  
35  	private CollectionConverter collectionConverter;
36  	private Session session;
37  	private Node collectionParentNode;
38  	private CollectionDescriptor collectionDescriptor; 
39  	private Class collectionFieldClass;
40  	
41  	public CollectionLazyLoader(CollectionConverter collectionConverter, Session session, Node parentNode, 
42  			                                               CollectionDescriptor collectionDescriptor, Class collectionFieldClass ) {
43  		this.collectionConverter = collectionConverter;
44  		this.session = session;
45  		this.collectionParentNode = parentNode;
46  		this.collectionDescriptor = collectionDescriptor;
47  		this.collectionFieldClass = collectionFieldClass;
48  	}
49  
50  	public Object loadObject() {
51  	
52  		
53  		ManageableCollection collection = collectionConverter.getCollection(session, collectionParentNode, collectionDescriptor, collectionFieldClass);
54  		return collection;
55  	}
56  }