X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Fschema%2FAdaptedLinkType.java;fp=org.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Fschema%2FAdaptedLinkType.java;h=c75c5ed6e5815d4f6e320e0154d354450b6f6222;hb=87b3241ec277ba3d8e414b26186a032c9cdcaeed;hp=0000000000000000000000000000000000000000;hpb=1f0bcd66274375f2278d2e6c486cb28257a5f7b2;p=simantics%2F3d.git

diff --git a/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/AdaptedLinkType.java b/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/AdaptedLinkType.java
new file mode 100644
index 00000000..c75c5ed6
--- /dev/null
+++ b/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/AdaptedLinkType.java
@@ -0,0 +1,75 @@
+package org.simantics.objmap.graph.schema;
+
+//import org.apache.log4j.Logger;
+import org.eclipse.core.runtime.IAdaptable;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.exception.DatabaseException;
+
+import org.simantics.objmap.backward.IBackwardMapping;
+import org.simantics.objmap.exceptions.MappingException;
+import org.simantics.objmap.forward.IForwardMapping;
+
+/**
+ * A link type that is associated with adaptable resource (ReadGraph.getAdapter(Resource,Class)). 
+ * The adapted object must implement IAdaptable interface for returning the original Resource. 
+ * 
+ * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
+ *
+ */
+public class AdaptedLinkType<Range> implements ILinkType<Resource,Range> {
+
+	
+	//static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
+    
+    Resource domainType;
+    Class<?> rangeType;
+    
+    
+    public AdaptedLinkType(Resource domainType, Class<?> rangeType) {
+        this.domainType = domainType;
+        this.rangeType = rangeType;
+    }
+    
+    @Override
+    public Resource createDomainElement(WriteGraph g, Range rangeElement)
+    		throws MappingException {
+    	try {
+    		IAdaptable adaptable = (IAdaptable)rangeElement;
+    		Resource res = (Resource)adaptable.getAdapter(Resource.class);
+    		if (res == null)
+    			throw new NullPointerException();
+    		return res;
+    	} catch (Exception e) {
+    		throw new MappingException("Adapted object must implement IAdaptable interface to return the source Resource.", e);
+    	}
+    	
+    }
+    
+    @Override
+    public Range createRangeElement(ReadGraph g, Resource domainElement)
+    		throws MappingException {
+    	try {
+    		return (Range)g.adapt(domainElement, rangeType);
+    	} catch (DatabaseException e) {
+    		throw new MappingException(e);
+    	}
+    }
+    
+    public void createDomain(WriteGraph graph, IBackwardMapping<Resource,Range> mapping, Resource domainElement, Range rangeElement) throws MappingException {
+    	
+    };
+    
+    public void createRange(ReadGraph graph, org.simantics.objmap.forward.IForwardMapping<Resource,Range> mapping, Resource domainElement, Range rangeElement) throws MappingException {
+    	
+    };
+    
+    public boolean updateDomain(WriteGraph g, IBackwardMapping<Resource,Range> map, Resource domainElement, Range rangeElement) throws MappingException {
+    	return false;
+    }
+    
+    public boolean updateRange(ReadGraph g, IForwardMapping<Resource,Range> map, Resource domainElement, Range rangeElement) throws MappingException {
+    	return false;
+    }
+}