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