X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Fschema%2FDynamicSimpleLinkType.java;fp=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Fschema%2FDynamicSimpleLinkType.java;h=bc436288809cfb87e51fde91337fb3ae3ebac620;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DynamicSimpleLinkType.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DynamicSimpleLinkType.java
new file mode 100644
index 000000000..bc4362888
--- /dev/null
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DynamicSimpleLinkType.java
@@ -0,0 +1,124 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.objmap.graph.schema;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Resource;
+import org.simantics.db.WriteGraph;
+import org.simantics.db.common.utils.NameUtils;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.layer0.Layer0;
+import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;
+import org.simantics.objmap.exceptions.MappingException;
+import org.simantics.objmap.graph.annotations.GetType;
+import org.simantics.objmap.graph.annotations.SetType;
+
+public class DynamicSimpleLinkType<Range> extends SimpleLinkType<Range>{
+
+	protected Method typeGetter;
+	protected Method typeSetter;
+	
+	public DynamicSimpleLinkType(Resource domainType, Class<?> rangeType, ArrayList<IBidirectionalMappingRule<Resource, Range>> rules) {
+		super(domainType, rangeType, rules);
+		findTypeGetter(rangeType);
+	}
+
+	public DynamicSimpleLinkType(Resource domainType, Class<?> rangeType) {
+		super(domainType, rangeType);
+		findTypeGetter(rangeType);
+	}
+	
+	private void findTypeGetter(Class<?> clazz) {
+		for (Method m : clazz.getDeclaredMethods()) {
+			 m.setAccessible(true);
+			 GetType t = m.getAnnotation(GetType.class);
+			 if (t != null) {
+				 typeGetter = m;
+			 }
+			 SetType t2 = m.getAnnotation(SetType.class);
+			 if (t2 != null) {
+				 typeSetter = m;
+			 }
+		}
+		if (typeGetter == null || typeSetter == null) {
+			Class<?> superClazz = clazz.getSuperclass();
+			if (superClazz != Object.class)
+				findTypeGetter(superClazz);
+			if (typeGetter == null || typeSetter == null) {
+				throw new RuntimeException("Cannot find dynamic type methods for class " + clazz.getSimpleName());	
+			}
+		}
+		
+			
+	}
+	
+	@Override
+    public Resource createDomainElement(WriteGraph g, Range rangeElement)
+            throws MappingException {
+        try {
+        	String typeUri = (String)typeGetter.invoke(rangeElement, (Object[]) null);
+            if(LOGGER.isInfoEnabled())
+                LOGGER.info("SimpleLinkType.createDomainElement " +
+                        rangeElement.toString()
+                );
+            Resource actualDomainType = g.getResource(typeUri);
+            Resource result = g.newResource();
+            //g.claim(result, Layer0.getInstance(g).InstanceOf, null, domainType);
+            g.claim(result, Layer0.getInstance(g).InstanceOf, null, actualDomainType);
+            return result;
+        } catch(DatabaseException e) {
+            throw new MappingException(e);
+        } catch (IllegalArgumentException e) {
+        	 throw new MappingException(e);
+		} catch (IllegalAccessException e) {
+			 throw new MappingException(e);
+		} catch (InvocationTargetException e) {
+			 throw new MappingException(e);
+		}
+    }
+	
+	 @SuppressWarnings("unchecked")
+	@Override
+	    public Range createRangeElement(ReadGraph g, Resource domainElement)
+	            throws MappingException {
+	        try {
+	            if(LOGGER.isInfoEnabled())
+	                try { 
+	                    LOGGER.info("SimpleLinkType.createRangeElement " +
+	                    		NameUtils.getSafeName(g, domainElement)
+	                            );
+	                } catch(DatabaseException e) {
+	                    throw new MappingException(e);
+	                }
+	           Range r =  (Range)rangeType.newInstance();
+	           Resource type = g.getSingleType(domainElement, domainType);
+	           String uri = g.getURI(type);
+	           typeSetter.invoke(r, uri);
+	           return r;
+	        } catch (InstantiationException e) {
+	            throw new MappingException(e);
+	        } catch (IllegalAccessException e) {
+	            throw new MappingException(e);
+	        } catch (DatabaseException e) {
+	        	throw new MappingException(e);
+			} catch (IllegalArgumentException e) {
+				throw new MappingException(e);
+			} catch (InvocationTargetException e) {
+				throw new MappingException(e);
+			} 
+	    }
+
+}