gerrit.simantics Code Review - simantics/platform.git/blob

   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 import java.util.List;
  17
  18 import org.simantics.db.ReadGraph;
  19 import org.simantics.db.Resource;
  20 import org.simantics.db.common.NamedResource;
  21 import org.simantics.db.common.request.ResourceRead;
  22 import org.simantics.db.exception.DatabaseException;
  23 import org.simantics.diagram.stubs.DiagramResource;
  24
  25 /**
  26  * @author Antti Villberg
  27  */
  28 public class RuntimeProfileActiveEntryResources extends ResourceRead<Collection<Resource>> {
  29
  30     public RuntimeProfileActiveEntryResources(Resource resource) {
  31         super(resource);
  32     }
  33
  34     @Override
  35     public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
  36         DiagramResource DIA = DiagramResource.getInstance(graph);
  37
  38         ArrayList<Resource> result = new ArrayList<Resource>();
  39         Resource activeProfile = graph.getPossibleObject(resource, DIA.RuntimeDiagram_HasRuntimeProfile);
  40         if (activeProfile == null) {
  41
  42                 List<NamedResource> available = graph.syncRequest(new AvailableProfiles(resource));
  43                 if(available.size() != 1) return result;
  44
  45                 activeProfile = available.iterator().next().getResource();
  46
  47         }
  48
  49         Resource rootEntries = graph.getPossibleObject(activeProfile, DIA.HasEntries);
  50         if (rootEntries == null)
  51             return result;
  52
  53         return graph.syncRequest(new ProfileActiveEntryResources(activeProfile, rootEntries));
  54
  55     }
  56
  57 }