2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
30 package mir.entity.adapter;
32 import java.util.HashMap;
35 import mir.entity.Entity;
36 import mir.storage.StorageObject;
38 public class EntityAdapterModel {
39 private Map entityAdapterMappings;
41 public EntityAdapterModel() {
42 entityAdapterMappings = new HashMap();
45 public EntityAdapter makeEntityAdapter( String aName, Entity anEntity ) throws EntityAdapterExc {
46 Mapping mapping = getMappingForName( aName );
48 return mapping.getDefinition().makeEntityAdapter( anEntity, this );
51 public EntityAdapter createNewEntity( String aName ) throws EntityAdapterExc {
53 Mapping mapping = getMappingForName(aName);
54 StorageObject storage = mapping.storage;
55 Entity entity = (Entity) storage.getEntityClass().newInstance();
56 entity.setStorage(storage);
58 return mapping.getDefinition().makeEntityAdapter(entity, this);
61 throw new EntityAdapterFailure(t);
65 public void addMapping( String aName, StorageObject aStorage, EntityAdapterDefinition aDefinition ) {
66 entityAdapterMappings.put( aName, new Mapping( aStorage, aDefinition ) );
69 public Mapping getMappingForName( String aName ) throws EntityAdapterExc {
70 if (!entityAdapterMappings.containsKey(aName))
71 throw new EntityAdapterExc( "'" + aName + "' not present in model" );
73 return (Mapping) entityAdapterMappings.get( aName );
76 public class Mapping {
77 private StorageObject storage;
78 private EntityAdapterDefinition definition;
80 public Mapping( StorageObject aStorage, EntityAdapterDefinition aDefinition ) {
82 definition = aDefinition;
85 public StorageObject getStorage() {
89 public EntityAdapterDefinition getDefinition() {