bundles/org.simantics.scenegraph.profile/src/org/simantics/scenegraph/profile/request/ProfileEntryResources.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.scenegraph.profile.request;\r
  13 \r
  14 import java.util.ArrayList;\r
  15 import java.util.Collection;\r
  16 import java.util.HashSet;\r
  17 import java.util.List;\r
  18 \r
  19 import org.simantics.db.ReadGraph;\r
  20 import org.simantics.db.Resource;\r
  21 import org.simantics.db.common.request.ResourceRead2;\r
  22 import org.simantics.db.exception.DatabaseException;\r
  23 import org.simantics.diagram.stubs.DiagramResource;\r
  24 import org.simantics.scenegraph.profile.ProfileUtils;\r
  25 \r
  26 /**\r
  27  * @author Tuukka Lehtonen\r
  28  */\r
  29 public class ProfileEntryResources extends ResourceRead2<Collection<Resource>> {\r
  30 \r
  31     protected DiagramResource DIA;\r
  32 \r
  33     public ProfileEntryResources(Resource profile, Resource entry) {\r
  34         super(profile, entry);\r
  35     }\r
  36 \r
  37     protected boolean test(ReadGraph graph, Resource activeProfile, Resource entry) throws DatabaseException {\r
  38         return true;\r
  39     }\r
  40 \r
  41     public List<Resource> process(ReadGraph graph, Resource activeProfile, Resource item, List<Resource> result, HashSet<Resource> visited) throws DatabaseException {\r
  42         List<Resource> entries = ProfileUtils.getProfileChildrenFromEntries(graph, item);\r
  43         for (Resource entry : entries) {\r
  44                 Resource children = graph.getPossibleObject(entry, DIA.HasEntries);\r
  45             if (children != null) {\r
  46                 process(graph, activeProfile, children, result, visited);\r
  47             } else {\r
  48                 if (test(graph, activeProfile, entry)) {\r
  49                     if (!visited.contains(entry)) {\r
  50                         result.add(entry);\r
  51                         visited.add(entry);\r
  52                     }\r
  53                 }\r
  54             }\r
  55         }\r
  56 \r
  57         return result;\r
  58     }\r
  59 \r
  60     @Override\r
  61     public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {\r
  62         this.DIA = DiagramResource.getInstance(graph);\r
  63         return process(graph, resource, resource2, new ArrayList<Resource>(), new HashSet<Resource>());\r
  64     }\r
  65 \r
  66 }\r