bundles/org.simantics.issues.common/src/org/simantics/issues/common/IssuesWithContext.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.issues.common;
  13
  14 import gnu.trove.set.hash.THashSet;
  15
  16 import java.util.Set;
  17
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.common.request.ResourceRead2;
  21 import org.simantics.db.exception.DatabaseException;
  22 import org.simantics.db.layer0.request.Model;
  23 import org.simantics.db.layer0.variable.Variable;
  24
  25 /**
  26  * @author Antti Villberg
  27  */
  28 public class IssuesWithContext extends ResourceRead2<Set<Variable>> {
  29
  30     public IssuesWithContext(ReadGraph graph, Resource context) throws DatabaseException {
  31         super(graph.sync(new Model(context)), context);
  32     }
  33
  34     public IssuesWithContext(Resource model, Resource context) {
  35         super(model, context);
  36     }
  37
  38     @Override
  39     public Set<Variable> perform(ReadGraph graph) throws DatabaseException {
  40
  41         Set<Variable> result = new THashSet<Variable>();
  42         for(Resource issue : graph.sync(new AllModelIssues(resource))) {
  43             Set<Resource> contexts = graph.sync(new IssueResourceContexts(issue));
  44             if(contexts.contains(resource2)) result.add(graph.adapt(issue, Variable.class));
  45         }
  46         return result;
  47
  48     }
  49
  50 }