bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/impl/SharedOntologyCopyHandler.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.db.layer0.adapter.impl;
  13
  14 import java.util.Collection;
  15 import java.util.Collections;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.db.layer0.util.TGConfigurer;
  21 import org.simantics.db.layer0.util.TransferableGraphConfiguration2;
  22 import org.simantics.db.layer0.util.TransferableGraphConfiguration2.SeedSpec;
  23 import org.simantics.db.layer0.util.TransferableGraphConfiguration2.SeedSpec.SeedSpecType;
  24
  25 public class SharedOntologyCopyHandler extends DefaultCopyHandler {
  26
  27     public SharedOntologyCopyHandler(Resource resource) {
  28         super(resource);
  29     }
  30
  31     public SharedOntologyCopyHandler(Collection<Resource> resources) {
  32         super(resources);
  33     }
  34
  35     @Override
  36     protected TransferableGraphConfiguration2 createConfiguration(ReadGraph graph, boolean cut) throws DatabaseException {
  37
  38         if(resources.size() != 1) throw new DatabaseException("Assumed a single root");
  39
  40         Resource root = resources.iterator().next();
  41         String uri = graph.getURI(root);
  42         Collection<SeedSpec> roots = Collections.singletonList(new SeedSpec(root, uri, SeedSpecType.ROOT));
  43         return new TGConfigurer(graph, true, false).roots(roots).create();
  44
  45     }
  46
  47 }