Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.objmap2 / src / org / simantics / objmap / graph / schema / DynamicSimpleLinkType.java

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 (file)
index 0000000..bc43628
--- /dev/null
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DynamicSimpleLinkType.java
@@ -0,0 +1,124 @@
+/*******************************************************************************\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 java.lang.reflect.InvocationTargetException;\r
+import java.lang.reflect.Method;\r
+import java.util.ArrayList;\r
+\r
+import org.simantics.db.ReadGraph;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.utils.NameUtils;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
+import org.simantics.objmap.exceptions.MappingException;\r
+import org.simantics.objmap.graph.annotations.GetType;\r
+import org.simantics.objmap.graph.annotations.SetType;\r
+\r
+public class DynamicSimpleLinkType<Range> extends SimpleLinkType<Range>{\r
+\r
+       protected Method typeGetter;\r
+       protected Method typeSetter;\r
+       \r
+       public DynamicSimpleLinkType(Resource domainType, Class<?> rangeType, ArrayList<IBidirectionalMappingRule<Resource, Range>> rules) {\r
+               super(domainType, rangeType, rules);\r
+               findTypeGetter(rangeType);\r
+       }\r
+\r
+       public DynamicSimpleLinkType(Resource domainType, Class<?> rangeType) {\r
+               super(domainType, rangeType);\r
+               findTypeGetter(rangeType);\r
+       }\r
+       \r
+       private void findTypeGetter(Class<?> clazz) {\r
+               for (Method m : clazz.getDeclaredMethods()) {\r
+                        m.setAccessible(true);\r
+                        GetType t = m.getAnnotation(GetType.class);\r
+                        if (t != null) {\r
+                                typeGetter = m;\r
+                        }\r
+                        SetType t2 = m.getAnnotation(SetType.class);\r
+                        if (t2 != null) {\r
+                                typeSetter = m;\r
+                        }\r
+               }\r
+               if (typeGetter == null || typeSetter == null) {\r
+                       Class<?> superClazz = clazz.getSuperclass();\r
+                       if (superClazz != Object.class)\r
+                               findTypeGetter(superClazz);\r
+                       if (typeGetter == null || typeSetter == null) {\r
+                               throw new RuntimeException("Cannot find dynamic type methods for class " + clazz.getSimpleName());      \r
+                       }\r
+               }\r
+               \r
+                       \r
+       }\r
+       \r
+       @Override\r
+    public Resource createDomainElement(WriteGraph g, Range rangeElement)\r
+            throws MappingException {\r
+        try {\r
+               String typeUri = (String)typeGetter.invoke(rangeElement, (Object[]) null);\r
+            if(LOGGER.isInfoEnabled())\r
+                LOGGER.info("SimpleLinkType.createDomainElement " +\r
+                        rangeElement.toString()\r
+                );\r
+            Resource actualDomainType = g.getResource(typeUri);\r
+            Resource result = g.newResource();\r
+            //g.claim(result, Layer0.getInstance(g).InstanceOf, null, domainType);\r
+            g.claim(result, Layer0.getInstance(g).InstanceOf, null, actualDomainType);\r
+            return result;\r
+        } catch(DatabaseException e) {\r
+            throw new MappingException(e);\r
+        } catch (IllegalArgumentException e) {\r
+                throw new MappingException(e);\r
+               } catch (IllegalAccessException e) {\r
+                        throw new MappingException(e);\r
+               } catch (InvocationTargetException e) {\r
+                        throw new MappingException(e);\r
+               }\r
+    }\r
+       \r
+        @SuppressWarnings("unchecked")\r
+       @Override\r
+           public Range createRangeElement(ReadGraph g, Resource domainElement)\r
+                   throws MappingException {\r
+               try {\r
+                   if(LOGGER.isInfoEnabled())\r
+                       try { \r
+                           LOGGER.info("SimpleLinkType.createRangeElement " +\r
+                                       NameUtils.getSafeName(g, domainElement)\r
+                                   );\r
+                       } catch(DatabaseException e) {\r
+                           throw new MappingException(e);\r
+                       }\r
+                  Range r =  (Range)rangeType.newInstance();\r
+                  Resource type = g.getSingleType(domainElement, domainType);\r
+                  String uri = g.getURI(type);\r
+                  typeSetter.invoke(r, uri);\r
+                  return r;\r
+               } catch (InstantiationException e) {\r
+                   throw new MappingException(e);\r
+               } catch (IllegalAccessException e) {\r
+                   throw new MappingException(e);\r
+               } catch (DatabaseException e) {\r
+                       throw new MappingException(e);\r
+                       } catch (IllegalArgumentException e) {\r
+                               throw new MappingException(e);\r
+                       } catch (InvocationTargetException e) {\r
+                               throw new MappingException(e);\r
+                       } \r
+           }\r
+\r
+}\r