1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.layer0.adapter.impl;
14 import org.simantics.db.AsyncReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.Statement;
17 import org.simantics.db.procedure.AsyncProcedure;
18 import org.simantics.layer0.Layer0;
20 public class RootParentSubgraphExtent extends TypeSubgraphExtent {
22 public static boolean DEBUG = false;
24 final private Classifier classifier;
26 public RootParentSubgraphExtent(final Resource root) {
27 this.classifier = new Classifier() {
30 public void classify(AsyncReadGraph graph, Statement statement, ExtentStatus objectExtent, Callback callback) {
31 if(!root.equals(statement.getSubject())) return;
32 if(!graph.getService(Layer0.class).PartOf.equals(statement.getPredicate())) return;
33 if(!ExtentStatus.EXTERNAL.equals(objectExtent)) return;
34 callback.statement(statement, true);
41 public void accept(AsyncReadGraph graph, final Resource resource, final AsyncProcedure<Classifier> procedure, final Callback callback) {
42 procedure.execute(graph, classifier);