bundles/org.simantics.scenegraph.profile/src/org/simantics/scenegraph/profile/request/RuntimeProfileActiveEntryResources.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.scenegraph.profile.request;
  13
  14 import java.util.ArrayList;
  15 import java.util.Collection;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.common.request.ResourceRead;
  20 import org.simantics.db.exception.DatabaseException;
  21 import org.simantics.diagram.stubs.DiagramResource;
  22
  23 /**
  24  * @author Antti Villberg
  25  */
  26 public class RuntimeProfileActiveEntryResources extends ResourceRead<Collection<Resource>> {
  27
  28     public RuntimeProfileActiveEntryResources(Resource resource) {
  29         super(resource);
  30     }
  31
  32     @Override
  33     public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
  34         DiagramResource DIA = DiagramResource.getInstance(graph);
  35
  36         ArrayList<Resource> result = new ArrayList<Resource>();
  37         Resource activeProfile = graph.getPossibleObject(resource, DIA.RuntimeDiagram_HasRuntimeProfile);
  38         if (activeProfile == null)
  39             return result;
  40
  41         Resource rootEntries = graph.getPossibleObject(activeProfile, DIA.HasEntries);
  42         if (rootEntries == null)
  43             return result;
  44
  45         return graph.syncRequest(new ProfileActiveEntryResources(activeProfile, rootEntries));
  46
  47     }
  48
  49 }