X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.mapping%2Fsrc%2Forg%2Fsimantics%2Fmapping%2Fconstraint%2Finstructions%2FTripletPredicateObjectQuery.java;fp=bundles%2Forg.simantics.mapping%2Fsrc%2Forg%2Fsimantics%2Fmapping%2Fconstraint%2Finstructions%2FTripletPredicateObjectQuery.java;h=add6a65e6bfb9e5501e55a06df8913d7fb2548c4;hp=ebb3a435b81498fc15ce07b293f0644fed66b340;hb=0ae2b770234dfc3cbb18bd38f324125cf0faca07;hpb=24e2b34260f219f0d1644ca7a138894980e25b14 diff --git a/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/TripletPredicateObjectQuery.java b/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/TripletPredicateObjectQuery.java index ebb3a435b..add6a65e6 100644 --- a/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/TripletPredicateObjectQuery.java +++ b/bundles/org.simantics.mapping/src/org/simantics/mapping/constraint/instructions/TripletPredicateObjectQuery.java @@ -1,84 +1,84 @@ -/******************************************************************************* - * Copyright (c) 2007, 2010 Association for Decentralized Information Management - * in Industry THTH ry. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * VTT Technical Research Centre of Finland - initial API and implementation - *******************************************************************************/ -package org.simantics.mapping.constraint.instructions; - -import gnu.trove.set.hash.TIntHashSet; - -import java.util.Collection; -import java.util.Iterator; - -import org.simantics.db.ReadGraph; -import org.simantics.db.Resource; -import org.simantics.db.Statement; -import org.simantics.db.exception.DatabaseException; -import org.simantics.layer0.Layer0; - -public class TripletPredicateObjectQuery extends TripletInstruction { - - Resource predicate; - - public TripletPredicateObjectQuery(int variable0, int variable1, int variable2, - Resource predicate) { - super(variable0, variable1, variable2); - this.predicate = predicate; - } - - public TripletPredicateObjectQuery(int variable0, int variable1, int variable2) { - this(variable0, variable1, variable2, null); - } - - @Override - public Object query(ReadGraph g, Object[] bindings) throws DatabaseException { - Resource r0 = (Resource)bindings[variable0]; -// ITask task = ThreadLogger.getInstance().begin("g"); - Collection result = - predicate == null - ? g.getStatements(r0, Layer0.getInstance(g).IsWeaklyRelatedTo) - : g.getStatements(r0, predicate); -// task.finish(); - if(result.isEmpty()) - return IInstruction.FAILURE; - Iterator it = result.iterator(); - Statement stat = it.next(); - bindings[variable1] = stat.getPredicate(); - bindings[variable2] = stat.getObject(); - if(it.hasNext()) - return it; - else - return null; - } - - @SuppressWarnings("unchecked") - @Override - public Object next(ReadGraph g, Object[] bindings, Object continuation) { - Iterator it = (Iterator)continuation; - if(it.hasNext()) { - Statement stat = it.next(); - bindings[variable1] = stat.getPredicate(); - bindings[variable2] = stat.getObject(); - if(it.hasNext()) - return it; - else - return null; - } - else - return IInstruction.FAILURE; - } - - @Override - public void collectVariables(TIntHashSet reads, TIntHashSet writes) { - super.collectVariables(reads, writes); - writes.add(variable1); - writes.add(variable2); - } - -} +/******************************************************************************* + * Copyright (c) 2007, 2010 Association for Decentralized Information Management + * in Industry THTH ry. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * VTT Technical Research Centre of Finland - initial API and implementation + *******************************************************************************/ +package org.simantics.mapping.constraint.instructions; + +import gnu.trove.set.hash.TIntHashSet; + +import java.util.Collection; +import java.util.Iterator; + +import org.simantics.db.ReadGraph; +import org.simantics.db.Resource; +import org.simantics.db.Statement; +import org.simantics.db.exception.DatabaseException; +import org.simantics.layer0.Layer0; + +public class TripletPredicateObjectQuery extends TripletInstruction { + + Resource predicate; + + public TripletPredicateObjectQuery(int variable0, int variable1, int variable2, + Resource predicate) { + super(variable0, variable1, variable2); + this.predicate = predicate; + } + + public TripletPredicateObjectQuery(int variable0, int variable1, int variable2) { + this(variable0, variable1, variable2, null); + } + + @Override + public Object query(ReadGraph g, Object[] bindings) throws DatabaseException { + Resource r0 = (Resource)bindings[variable0]; +// ITask task = ThreadLogger.getInstance().begin("g"); + Collection result = + predicate == null + ? g.getStatements(r0, Layer0.getInstance(g).IsWeaklyRelatedTo) + : g.getStatements(r0, predicate); +// task.finish(); + if(result.isEmpty()) + return IInstruction.FAILURE; + Iterator it = result.iterator(); + Statement stat = it.next(); + bindings[variable1] = stat.getPredicate(); + bindings[variable2] = stat.getObject(); + if(it.hasNext()) + return it; + else + return null; + } + + @SuppressWarnings("unchecked") + @Override + public Object next(ReadGraph g, Object[] bindings, Object continuation) { + Iterator it = (Iterator)continuation; + if(it.hasNext()) { + Statement stat = it.next(); + bindings[variable1] = stat.getPredicate(); + bindings[variable2] = stat.getObject(); + if(it.hasNext()) + return it; + else + return null; + } + else + return IInstruction.FAILURE; + } + + @Override + public void collectVariables(TIntHashSet reads, TIntHashSet writes) { + super.collectVariables(reads, writes); + writes.add(variable1); + writes.add(variable2); + } + +}