bundles/org.simantics.db.common/src/org/simantics/db/common/primitiverequest/DatatypeBinding.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.common.primitiverequest;
  13
  14 import org.simantics.databoard.Bindings;
  15 import org.simantics.databoard.binding.Binding;
  16 import org.simantics.databoard.type.Datatype;
  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
  22 final public class DatatypeBinding extends ResourceRead<Binding> {
  23
  24         final static Binding DATA_TYPE_BINDING_INTERNAL = Bindings.getBindingUnchecked(Datatype.class);
  25
  26     public DatatypeBinding(Resource resource) {
  27         super(resource);
  28     }
  29
  30     @Override
  31     public Binding perform(ReadGraph graph) throws DatabaseException {
  32         Datatype datatype = graph.getValue(resource, DATA_TYPE_BINDING_INTERNAL);
  33         return Bindings.getBinding(datatype);
  34     }
  35
  36 }