bundles/org.simantics.objmap2/src/org/simantics/objmap/structural/annotations/factories/RelatedGetSetValueRuleFactory.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2012, 2013 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.objmap.structural.annotations.factories;\r
  13 \r
  14 import java.lang.annotation.Annotation;\r
  15 import java.lang.reflect.Method;\r
  16 \r
  17 import org.simantics.db.ReadGraph;\r
  18 import org.simantics.db.Resource;\r
  19 import org.simantics.db.exception.DatabaseException;\r
  20 import org.simantics.layer0.Layer0;\r
  21 import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
  22 import org.simantics.objmap.graph.annotations.RelatedGetValue;\r
  23 import org.simantics.objmap.graph.annotations.RelatedSetValue;\r
  24 import org.simantics.objmap.graph.rules.ValueRule;\r
  25 import org.simantics.objmap.graph.rules.adapters.IdentityAdapter;\r
  26 import org.simantics.objmap.graph.rules.adapters.ValueAdapter;\r
  27 import org.simantics.objmap.structural.StructuralResource;\r
  28 import org.simantics.objmap.structural.rules.domain.RelatedValueAccessor;\r
  29 import org.simantics.objmap.graph.rules.factory.IGetSetRuleFactory;\r
  30 import org.simantics.objmap.graph.rules.range.AdaptedRangeAccessor;\r
  31 import org.simantics.objmap.graph.rules.range.GetSetValueAccessor;\r
  32 import org.simantics.objmap.graph.rules.range.IRangeAccessor;\r
  33 \r
  34 /**\r
  35  * Rule factory for mapped value using Getter/Setter-methods.\r
  36  * \r
  37  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  38  *\r
  39  */\r
  40 public class RelatedGetSetValueRuleFactory<Range> implements IGetSetRuleFactory<StructuralResource,Range> {\r
  41         \r
  42         @Override\r
  43         public IBidirectionalMappingRule<StructuralResource, Range> create(ReadGraph g, Annotation annotation,\r
  44                         Method getter, Method setter)\r
  45                         throws DatabaseException {\r
  46                 RelatedGetValue getterAnn = (RelatedGetValue)annotation;\r
  47                 \r
  48                 Class<? extends ValueAdapter> adapterClass = getterAnn.adapter();\r
  49                  IRangeAccessor<Range,Object> rangeAccessor = new GetSetValueAccessor<Range,Object>(getter, setter);\r
  50         Resource valueType;\r
  51         if (adapterClass == IdentityAdapter.class) {\r
  52             valueType = dataTypeOfClass(g, getter.getReturnType());\r
  53         } else {\r
  54                 try{\r
  55                          ValueAdapter adapter = adapterClass.newInstance();\r
  56                  rangeAccessor = new AdaptedRangeAccessor<Range>(rangeAccessor, adapter);\r
  57                  valueType = adapter.rangeTypeToDomainType(g, getter.getReturnType());\r
  58              } catch (InstantiationException e) {\r
  59                  throw new RuntimeException(e);\r
  60              } catch (IllegalAccessException e) {\r
  61                  throw new RuntimeException(e);\r
  62              }\r
  63         }\r
  64                 return new ValueRule<StructuralResource,Range>(new RelatedValueAccessor(g.getResource(getterAnn.value()), valueType,false,true,false),\r
  65                                         rangeAccessor);\r
  66         }\r
  67         \r
  68         @Override\r
  69         public boolean isSetter(Annotation getterAnnotation, Annotation annotation) {\r
  70                 RelatedGetValue getterAnn = (RelatedGetValue)getterAnnotation;\r
  71                 RelatedSetValue setterAnn = (RelatedSetValue)annotation;\r
  72                 return getterAnn.value().equals(setterAnn.value());\r
  73         }\r
  74         \r
  75         public static Resource dataTypeOfClass(ReadGraph g, Class<?> clazz) {\r
  76         Layer0 b = Layer0.getInstance(g);\r
  77         if(clazz.equals(Double.class) || clazz.equals(double.class))\r
  78             return b.Double;\r
  79         else if(clazz.equals(String.class))\r
  80             return b.String;\r
  81         else if(clazz.equals(Integer.class) || clazz.equals(int.class))\r
  82             return b.Integer;\r
  83         else if(clazz.equals(Float.class) || clazz.equals(float.class))\r
  84             return b.Float;\r
  85         else if(clazz.equals(Boolean.class) || clazz.equals(boolean.class))\r
  86             return b.Boolean;\r
  87         else if(clazz.equals(Long.class) || clazz.equals(long.class))\r
  88             return b.Long;\r
  89         else if(clazz.equals(Byte.class) || clazz.equals(byte.class))\r
  90             return b.Byte;\r
  91         \r
  92         else if(clazz.equals(double[].class))\r
  93             return b.DoubleArray;\r
  94         else if(clazz.equals(int[].class))\r
  95             return b.IntegerArray;\r
  96         else if(clazz.equals(byte[].class))\r
  97             return b.ByteArray;\r
  98         else if(clazz.equals(float[].class))\r
  99             return b.FloatArray;\r
 100         else if(clazz.equals(boolean[].class))\r
 101             return b.BooleanArray;\r
 102         else if(clazz.equals(String[].class))\r
 103             return b.StringArray;\r
 104         else if(clazz.equals(long[].class))\r
 105             return b.LongArray;\r
 106         else {\r
 107                 System.out.println("Couldn't find a data type for " + clazz);\r
 108             return null;\r
 109         }\r
 110     }\r
 111 \r
 112 }\r