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1 package org.hibernate.collection;
3
4 import java.io.Serializable  ;
5 import java.util.List ;
6
7 import org.dom4j.Element;
8 import org.hibernate.HibernateException;
9 import org.hibernate.engine.SessionImplementor;
10 import org.hibernate.persister.collection.CollectionPersister;
11 import org.hibernate.type.NullableType;
12 import org.hibernate.type.Type;
13
14
17 public class PersistentMapElementHolder extends PersistentIndexedElementHolder {
18
19 public PersistentMapElementHolder(SessionImplementor session, Element element) {
20 super( session, element );
21 }
22
23 public PersistentMapElementHolder(SessionImplementor session, CollectionPersister persister,
24 Serializable key) throws HibernateException {
25 super( session, persister, key );
26 }
27
28 public void initializeFromCache(CollectionPersister persister, Serializable disassembled, Object owner)
29 throws HibernateException {
30
31 Type elementType = persister.getElementType();
32 Type indexType = persister.getIndexType();
33 final String indexNodeName = getIndexAttributeName(persister);
34
35 Serializable [] cached = (Serializable []) disassembled;
36
37 for ( int i=0; i<cached.length; ) {
38 Object index = indexType.assemble( cached[i++], getSession(), owner );
39 Object object = elementType.assemble( cached[i++], getSession(), owner );
40
41 Element subelement = element.addElement( persister.getElementNodeName() );
42 elementType.setToXMLNode( subelement, object, persister.getFactory() );
43
44 String indexString = ( (NullableType) indexType ).toXMLString( index, persister.getFactory() );
45 setIndex( subelement, indexNodeName, indexString );
46 }
47
48 }
49
50 public Serializable disassemble(CollectionPersister persister) throws HibernateException {
51
52 Type elementType = persister.getElementType();
53 Type indexType = persister.getIndexType();
54 final String indexNodeName = getIndexAttributeName(persister);
55
56 List elements = element.elements( persister.getElementNodeName() );
57 int length = elements.size();
58 Serializable [] result = new Serializable [length*2];
59 for ( int i=0; i<length*2; ) {
60 Element elem = (Element) elements.get(i/2);
61 Object object = elementType.fromXMLNode( elem, persister.getFactory() );
62 final String indexString = getIndex(elem, indexNodeName, i);
63 Object index = ( (NullableType) indexType ).fromXMLString( indexString, persister.getFactory() );
64 result[i++] = indexType.disassemble( index, getSession(), null );
65 result[i++] = elementType.disassemble( object, getSession(), null );
66 }
67 return result;
68 }
69
70
71 }
72 |
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