bundles/org.simantics.issues.common/src/org/simantics/issues/common/DynamicIssueSources.java

   1 /*******************************************************************************
   2  * Copyright (c) 2017 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  *     Semantum Oy - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.issues.common;
  13
  14 import java.util.Set;
  15
  16 import org.simantics.db.ReadGraph;
  17 import org.simantics.db.Resource;
  18 import org.simantics.db.common.request.ResourceRead;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.db.layer0.request.PossibleVariable;
  21 import org.simantics.db.layer0.variable.Variable;
  22 import org.simantics.issues.ontology.IssueResource;
  23
  24 import gnu.trove.set.hash.THashSet;
  25
  26 /**
  27  * @author Tuukka Lehtonen
  28  * @since 1.27
  29  */
  30 public class DynamicIssueSources extends ResourceRead<Set<Variable>> {
  31
  32     public DynamicIssueSources(Resource project) {
  33         super(project);
  34     }
  35
  36     @Override
  37     public Set<Variable> perform(ReadGraph graph) throws DatabaseException {
  38         IssueResource ISSUE = IssueResource.getInstance(graph);
  39         Set<Variable> result = new THashSet<>();
  40         for (Resource source : graph.syncRequest(new ActiveProjectIssueSources(resource, ISSUE.DynamicIssueSource))) {
  41             boolean selected = graph.hasStatement(source, ISSUE.IssueSource_Selected);
  42             if (!selected)
  43                 continue;
  44             Variable v = graph.syncRequest(new PossibleVariable(source));
  45             if (v != null)
  46                 result.add(v);
  47         }
  48         return result;
  49     }
  50
  51 }