1 /*******************************************************************************
\r
2 * Copyright (c) 2012 Association for Decentralized Information Management in
\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.modeling.adapters;
\r
14 import org.simantics.db.AsyncReadGraph;
\r
15 import org.simantics.db.Resource;
\r
16 import org.simantics.db.Statement;
\r
17 import org.simantics.db.layer0.adapter.impl.TypeSubgraphExtent;
\r
18 import org.simantics.db.procedure.AsyncProcedure;
\r
19 import org.simantics.diagram.stubs.DiagramResource;
\r
21 public class DiagramSubgraphExtent extends TypeSubgraphExtent {
\r
23 final private Classifier classifier = new Classifier() {
\r
26 public void classify(AsyncReadGraph graph, Statement statement, ExtentStatus objectExtent,
\r
27 Callback callback) {
\r
29 if(!ExtentStatus.INTERNAL.equals(objectExtent)) return;
\r
31 Resource predicate = statement.getPredicate();
\r
33 DiagramResource dr = graph.getService(DiagramResource.class);
\r
34 if(dr.JoinsFlag.equalsResource(predicate)) callback.statement(statement, true);
\r
35 else if(dr.FlagIsJoinedBy.equalsResource(predicate)) callback.statement(statement, true);
\r
42 public void accept(AsyncReadGraph graph, Resource resource,
\r
43 AsyncProcedure<Classifier> procedure, Callback callback) {
\r
44 procedure.execute(graph, classifier);
\r