+/*******************************************************************************\r
+ * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
+ * Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.objmap.graph.schema;\r
+\r
+//import org.apache.log4j.Logger;\r
+import org.eclipse.core.runtime.IAdaptable;\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.exception.DatabaseException;\r
+\r
+import org.simantics.objmap.backward.IBackwardMapping;\r
+import org.simantics.objmap.exceptions.MappingException;\r
+import org.simantics.objmap.forward.IForwardMapping;\r
+\r
+/**\r
+ * A link type that is associated with adaptable resource (ReadGraph.getAdapter(Resource,Class)). \r
+ * The adapted object must implement IAdaptable interface for returning the original Resource. \r
+ * \r
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
+ *\r
+ */\r
+public class AdaptedLinkType<Range> implements ILinkType<Resource,Range> {\r
+\r
+ \r
+ //static Logger LOGGER = Logger.getLogger("org.simantics.objmap");\r
+ \r
+ Resource domainType;\r
+ Class<?> rangeType;\r
+ \r
+ \r
+ public AdaptedLinkType(Resource domainType, Class<?> rangeType) {\r
+ this.domainType = domainType;\r
+ this.rangeType = rangeType;\r
+ }\r
+ \r
+ @Override\r
+ public Resource createDomainElement(WriteGraph g, Range rangeElement)\r
+ throws MappingException {\r
+ try {\r
+ IAdaptable adaptable = (IAdaptable)rangeElement;\r
+ Resource res = (Resource)adaptable.getAdapter(Resource.class);\r
+ if (res == null)\r
+ throw new NullPointerException();\r
+ return res;\r
+ } catch (Exception e) {\r
+ throw new MappingException("Adapted object must implement IAdaptable interface to return the source Resource.", e);\r
+ }\r
+ \r
+ }\r
+ \r
+ @SuppressWarnings("unchecked")\r
+ @Override\r
+ public Range createRangeElement(ReadGraph g, Resource domainElement)\r
+ throws MappingException {\r
+ try {\r
+ return (Range)g.adapt(domainElement, rangeType);\r
+ } catch (DatabaseException e) {\r
+ throw new MappingException(e);\r
+ }\r
+ }\r
+ \r
+ public void createDomain(WriteGraph graph, IBackwardMapping<Resource,Range> mapping, Resource domainElement, Range rangeElement) throws MappingException {\r
+ \r
+ };\r
+ \r
+ public void createRange(ReadGraph graph, org.simantics.objmap.forward.IForwardMapping<Resource,Range> mapping, Resource domainElement, Range rangeElement) throws MappingException {\r
+ \r
+ };\r
+ \r
+ public boolean updateDomain(WriteGraph g, IBackwardMapping<Resource,Range> map, Resource domainElement, Range rangeElement) throws MappingException {\r
+ return false;\r
+ }\r
+ \r
+ public boolean updateRange(ReadGraph g, IForwardMapping<Resource,Range> map, Resource domainElement, Range rangeElement) throws MappingException {\r
+ return false;\r
+ }\r
+}\r