]> gerrit.simantics Code Review - simantics/platform.git/blob - bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/OntologiesForModel.java
Multiple reader thread support for db client
[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / request / OntologiesForModel.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
3  * in Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.layer0.request;
13
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.common.request.ResourceMultiRead;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.db.exception.ResourceNotFoundException;
19 import org.simantics.db.procedure.SyncMultiProcedure;
20 import org.simantics.layer0.Layer0;
21 import org.simantics.project.ontology.ProjectResource;
22
23 /**
24  * @author Antti Villberg
25  */
26 public class OntologiesForModel extends ResourceMultiRead<Resource> {
27
28     public OntologiesForModel(Resource model) {
29         super(model);
30     }
31
32     public void check(ReadGraph graph, Resource resource, SyncMultiProcedure<Resource> callback) throws DatabaseException {
33
34         Layer0 L0 = Layer0.getInstance(graph);
35         ProjectResource PROJ = ProjectResource.getInstance(graph);
36
37         for (Resource r : graph.getObjects(resource, PROJ.RequiresNamespace)) {
38             if (graph.isInstanceOf(r, L0.URI)) {
39                 String uri = graph.getValue(r);
40                 try {
41                     Resource ns = graph.getResource(uri);
42                     if (graph.isInstanceOf(ns, L0.Ontology)) {
43                         callback.execute(graph, ns);
44                     }
45                 } catch (ResourceNotFoundException e) {
46                     e.printStackTrace();
47                 }
48             }
49         }
50
51     }
52
53     @Override
54     public void perform(ReadGraph graph, SyncMultiProcedure<Resource> callback) throws DatabaseException {
55
56         Layer0 L0 = Layer0.getInstance(graph);
57
58         Resource project = graph.getSingleObject(resource, L0.PartOf);
59
60         for (Resource feature : graph.syncRequest(new NamespaceRequirements(project))) {
61             check(graph, feature, callback);
62         }
63
64         callback.finished(graph);
65
66     }
67
68 }