1 /*******************************************************************************
\r
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
\r
3 * in Industry THTH ry.
\r
4 * All rights reserved. This program and the accompanying materials
\r
5 * are made available under the terms of the Eclipse Public License v1.0
\r
6 * which accompanies this distribution, and is available at
\r
7 * http://www.eclipse.org/legal/epl-v10.html
\r
10 * VTT Technical Research Centre of Finland - initial API and implementation
\r
11 *******************************************************************************/
\r
12 package org.simantics.db.layer0.request;
\r
14 import java.util.HashMap;
\r
15 import java.util.HashSet;
\r
16 import java.util.Map;
\r
18 import org.simantics.db.Resource;
\r
19 import org.simantics.db.VirtualGraph;
\r
20 import org.simantics.db.WriteGraph;
\r
21 import org.simantics.db.exception.DatabaseException;
\r
22 import org.simantics.db.layer0.adapter.Template;
\r
23 import org.simantics.db.request.UndoTraits;
\r
24 import org.simantics.db.request.WriteResult;
\r
25 import org.simantics.layer0.Layer0;
\r
27 public class DefaultInstanceFactoryRequest implements WriteResult<Map<String, Object>> {
\r
30 HashMap<String, Object> parameters;
\r
31 Resource[] contexts;
\r
33 public DefaultInstanceFactoryRequest(Resource type, Map<String, Object> parameters,
\r
34 Resource ... contexts) {
\r
35 this.parameters = new HashMap<String, Object>(parameters);
\r
36 this.contexts = contexts;
\r
40 public Map<String, Object> perform(WriteGraph g) throws DatabaseException {
\r
42 Layer0 b = Layer0.getInstance(g);
\r
44 // Default instantiation logic
\r
45 Resource instance = g.newResource();
\r
46 g.claim(instance, b.InstanceOf, null, type);
\r
48 parameters.put("", instance);
\r
50 // Collect templates
\r
51 HashSet<Resource> templates = new HashSet<Resource>();
\r
52 for(Resource context : contexts)
\r
53 templates.addAll(g.getObjects(instance, context));
\r
56 for(Resource template : templates)
\r
57 g.adapt(template, Template.class).apply(g, parameters);
\r
64 public UndoTraits getUndoTraits() {
\r
69 public VirtualGraph getProvider() {
\r