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.common.primitiverequest;
14 import org.simantics.db.AsyncReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.common.procedure.adapter.AsyncProcedureDelegate;
17 import org.simantics.db.common.procedure.guarded.GuardedAsyncMultiProcedure;
18 import org.simantics.db.common.request.ResourceAsyncMultiRead2;
19 import org.simantics.db.procedure.AsyncMultiProcedure;
21 final public class ForEachPredicateBasedOn extends ResourceAsyncMultiRead2<Resource> {
23 public ForEachPredicateBasedOn(Resource resource, Resource superRelation) {
24 super(resource, superRelation);
28 public void perform(AsyncReadGraph graph, AsyncMultiProcedure<Resource> procedure) {
30 graph.forEachPredicate(resource, new GuardedAsyncMultiProcedure<Resource>(procedure) {
33 public void execute(AsyncReadGraph graph, final Resource predicate) {
37 graph.forIsSubrelationOf(predicate, resource2, new AsyncProcedureDelegate<Boolean>(this) {
40 public void execute(AsyncReadGraph graph, Boolean isSubrelation) {
42 offer(graph, predicate);