bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/DataValues.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.db.layer0.util;\r
  13 \r
  14 import org.simantics.databoard.Bindings;\r
  15 import org.simantics.databoard.binding.Binding;\r
  16 import org.simantics.databoard.type.Datatype;\r
  17 import org.simantics.db.Resource;\r
  18 import org.simantics.db.WriteGraph;\r
  19 import org.simantics.db.exception.DatabaseException;\r
  20 import org.simantics.layer0.Layer0;\r
  21 \r
  22 public class DataValues {\r
  23 \r
  24         public static Resource createLiteral(WriteGraph g, Object value, Binding binding) throws DatabaseException {\r
  25                 Layer0 l0 = Layer0.getInstance(g);\r
  26                 Resource literal = g.newResource();\r
  27                 g.claim(literal, l0.InstanceOf, l0.Literal);\r
  28                 Resource dataType = g.newResource();\r
  29                 g.claim(dataType, l0.InstanceOf, l0.DataType);\r
  30                 g.claimValue(dataType, binding.type(), \r
  31                                 Bindings.getBindingUnchecked(Datatype.class));\r
  32                 g.claim(literal, l0.HasDataType, dataType);\r
  33                 g.claimValue(literal, value, binding);\r
  34                 return literal;\r
  35         }\r
  36                 \r
  37 }\r