bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/annotations/factories/RelatedGetSetValueRuleFactory.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.structural.annotations.factories;
  13
  14 import java.lang.annotation.Annotation;
  15 import java.lang.reflect.Method;
  16
  17 import org.simantics.db.ReadGraph;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.exception.DatabaseException;
  20 import org.simantics.layer0.Layer0;
  21 import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;
  22 import org.simantics.objmap.graph.annotations.RelatedGetValue;
  23 import org.simantics.objmap.graph.annotations.RelatedSetValue;
  24 import org.simantics.objmap.graph.rules.ValueRule;
  25 import org.simantics.objmap.graph.rules.adapters.IdentityAdapter;
  26 import org.simantics.objmap.graph.rules.adapters.ValueAdapter;
  27 import org.simantics.objmap.structural.StructuralResource;
  28 import org.simantics.objmap.structural.rules.domain.RelatedValueAccessor;
  29 import org.simantics.objmap.graph.rules.factory.IGetSetRuleFactory;
  30 import org.simantics.objmap.graph.rules.range.AdaptedRangeAccessor;
  31 import org.simantics.objmap.graph.rules.range.GetSetValueAccessor;
  32 import org.simantics.objmap.graph.rules.range.IRangeAccessor;
  33
  34 /**
  35  * Rule factory for mapped value using Getter/Setter-methods.
  36  *
  37  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  38  *
  39  */
  40 public class RelatedGetSetValueRuleFactory<Range> implements IGetSetRuleFactory<StructuralResource,Range> {
  41
  42         @Override
  43         public IBidirectionalMappingRule<StructuralResource, Range> create(ReadGraph g, Annotation annotation,
  44                         Method getter, Method setter)
  45                         throws DatabaseException {
  46                 RelatedGetValue getterAnn = (RelatedGetValue)annotation;
  47
  48                 Class<? extends ValueAdapter> adapterClass = getterAnn.adapter();
  49                  IRangeAccessor<Range,Object> rangeAccessor = new GetSetValueAccessor<Range,Object>(getter, setter);
  50         Resource valueType;
  51         if (adapterClass == IdentityAdapter.class) {
  52             valueType = dataTypeOfClass(g, getter.getReturnType());
  53         } else {
  54                 try{
  55                          ValueAdapter adapter = adapterClass.newInstance();
  56                  rangeAccessor = new AdaptedRangeAccessor<Range>(rangeAccessor, adapter);
  57                  valueType = adapter.rangeTypeToDomainType(g, getter.getReturnType());
  58              } catch (InstantiationException e) {
  59                  throw new RuntimeException(e);
  60              } catch (IllegalAccessException e) {
  61                  throw new RuntimeException(e);
  62              }
  63         }
  64                 return new ValueRule<StructuralResource,Range>(new RelatedValueAccessor(g.getResource(getterAnn.value()), valueType,false,true,false),
  65                                         rangeAccessor);
  66         }
  67
  68         @Override
  69         public boolean isSetter(Annotation getterAnnotation, Annotation annotation) {
  70                 RelatedGetValue getterAnn = (RelatedGetValue)getterAnnotation;
  71                 RelatedSetValue setterAnn = (RelatedSetValue)annotation;
  72                 return getterAnn.value().equals(setterAnn.value());
  73         }
  74
  75         public static Resource dataTypeOfClass(ReadGraph g, Class<?> clazz) {
  76         Layer0 b = Layer0.getInstance(g);
  77         if(clazz.equals(Double.class) || clazz.equals(double.class))
  78             return b.Double;
  79         else if(clazz.equals(String.class))
  80             return b.String;
  81         else if(clazz.equals(Integer.class) || clazz.equals(int.class))
  82             return b.Integer;
  83         else if(clazz.equals(Float.class) || clazz.equals(float.class))
  84             return b.Float;
  85         else if(clazz.equals(Boolean.class) || clazz.equals(boolean.class))
  86             return b.Boolean;
  87         else if(clazz.equals(Long.class) || clazz.equals(long.class))
  88             return b.Long;
  89         else if(clazz.equals(Byte.class) || clazz.equals(byte.class))
  90             return b.Byte;
  91
  92         else if(clazz.equals(double[].class))
  93             return b.DoubleArray;
  94         else if(clazz.equals(int[].class))
  95             return b.IntegerArray;
  96         else if(clazz.equals(byte[].class))
  97             return b.ByteArray;
  98         else if(clazz.equals(float[].class))
  99             return b.FloatArray;
 100         else if(clazz.equals(boolean[].class))
 101             return b.BooleanArray;
 102         else if(clazz.equals(String[].class))
 103             return b.StringArray;
 104         else if(clazz.equals(long[].class))
 105             return b.LongArray;
 106         else {
 107                 System.out.println("Couldn't find a data type for " + clazz);
 108             return null;
 109         }
 110     }
 111
 112 }