bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/annotations/factories/CompoundRelatedGetSetValueRuleFactory.java

   1 /*******************************************************************************
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
   3  * Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.objmap.graph.annotations.factories;
  13
  14 import java.lang.annotation.Annotation;
  15 import java.lang.reflect.Method;
  16
  17 import org.simantics.databoard.Bindings;
  18 import org.simantics.databoard.binding.Binding;
  19 import org.simantics.databoard.binding.error.BindingConstructionException;
  20 import org.simantics.databoard.binding.reflection.BindingRequest;
  21 import org.simantics.db.ReadGraph;
  22 import org.simantics.db.Resource;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;
  25 import org.simantics.objmap.graph.annotations.CompoundRelatedGetValue;
  26 import org.simantics.objmap.graph.annotations.CompoundRelatedSetValue;
  27 import org.simantics.objmap.graph.rules.ValueRule;
  28 import org.simantics.objmap.graph.rules.domain.CompoundValueAccessor;
  29 import org.simantics.objmap.graph.rules.factory.IGetSetRuleFactory;
  30 import org.simantics.objmap.graph.rules.range.CompoundGetSetValueAccessor;
  31 import org.simantics.objmap.graph.rules.range.IRangeAccessor;
  32
  33 /**
  34  * Rule factory for mapped value using Getter/Setter-methods.
  35  *
  36  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  37  *
  38  */
  39 public class CompoundRelatedGetSetValueRuleFactory<Range> implements IGetSetRuleFactory<Resource,Range> {
  40
  41         @Override
  42         public IBidirectionalMappingRule<Resource, Range> create(ReadGraph g, Annotation annotation,
  43                         Method getter, Method setter)
  44                         throws DatabaseException {
  45                 CompoundRelatedGetValue getterAnn = (CompoundRelatedGetValue)annotation;
  46
  47 //              Class<? extends ValueAdapter> adapterClass = getterAnn.adapter();
  48                 IRangeAccessor<Range,Object> rangeAccessor = new CompoundGetSetValueAccessor<Range,Object>(getter, setter);
  49                 Binding valueBinding = null;
  50                 try {
  51                         valueBinding = Bindings.getBinding(BindingRequest.create(getter));
  52                 } catch (BindingConstructionException e) {
  53                 }
  54
  55 //        Resource valueType;
  56 //        if (adapterClass == IdentityAdapter.class) {
  57 //            valueType = dataTypeOfClass(g, getter.getReturnType());
  58 //        } else {
  59 //              try{
  60 //                       ValueAdapter adapter = adapterClass.newInstance();
  61 //                 rangeAccessor = new AdaptedRangeAccessor<Range>(rangeAccessor, adapter);
  62 //                 valueType = adapter.rangeTypeToDomainType(g, getter.getReturnType());
  63 //             } catch (InstantiationException e) {
  64 //                 throw new RuntimeException(e);
  65 //             } catch (IllegalAccessException e) {
  66 //                 throw new RuntimeException(e);
  67 //             }
  68 //        }
  69                 return new ValueRule<Resource,Range>(new CompoundValueAccessor(g.getResource(getterAnn.objRelation()),
  70                                                                                                                                            g.getResource(getterAnn.objType()),
  71                                                                                                                                            g.getResource(getterAnn.valRelation()),
  72                                                                                                                                            valueBinding),
  73                                         rangeAccessor);
  74         }
  75
  76         @Override
  77         public boolean isSetter(Annotation getterAnnotation, Annotation annotation) {
  78                 CompoundRelatedGetValue getterAnn = (CompoundRelatedGetValue)getterAnnotation;
  79                 CompoundRelatedSetValue setterAnn = (CompoundRelatedSetValue)annotation;
  80                 return getterAnn.objRelation().equals(setterAnn.value());
  81         }
  82
  83 }