org.simantics.objmap2/src/org/simantics/objmap/graph/schema/DynamicSimpleLinkType.java

   1 package org.simantics.objmap.graph.schema;\r
   2 \r
   3 import java.lang.reflect.InvocationTargetException;\r
   4 import java.lang.reflect.Method;\r
   5 import java.util.ArrayList;\r
   6 \r
   7 import org.simantics.db.ReadGraph;\r
   8 import org.simantics.db.Resource;\r
   9 import org.simantics.db.WriteGraph;\r
  10 import org.simantics.db.common.utils.NameUtils;\r
  11 import org.simantics.db.exception.DatabaseException;\r
  12 import org.simantics.layer0.Layer0;\r
  13 import org.simantics.objmap.bidirectional.IBidirectionalMappingRule;\r
  14 import org.simantics.objmap.exceptions.MappingException;\r
  15 import org.simantics.objmap.graph.annotations.GetType;\r
  16 import org.simantics.objmap.graph.annotations.SetType;\r
  17 \r
  18 public class DynamicSimpleLinkType<Range> extends SimpleLinkType<Range>{\r
  19 \r
  20         protected Method typeGetter;\r
  21         protected Method typeSetter;\r
  22         \r
  23         public DynamicSimpleLinkType(Resource domainType, Class<?> rangeType, ArrayList<IBidirectionalMappingRule<Resource, Range>> rules) {\r
  24                 super(domainType, rangeType, rules);\r
  25                 findTypeGetter(rangeType);\r
  26         }\r
  27 \r
  28         public DynamicSimpleLinkType(Resource domainType, Class<?> rangeType) {\r
  29                 super(domainType, rangeType);\r
  30                 findTypeGetter(rangeType);\r
  31         }\r
  32         \r
  33         private void findTypeGetter(Class<?> clazz) {\r
  34                 for (Method m : clazz.getDeclaredMethods()) {\r
  35                          m.setAccessible(true);\r
  36                          GetType t = m.getAnnotation(GetType.class);\r
  37                          if (t != null) {\r
  38                                  typeGetter = m;\r
  39                          }\r
  40                          SetType t2 = m.getAnnotation(SetType.class);\r
  41                          if (t2 != null) {\r
  42                                  typeSetter = m;\r
  43                          }\r
  44                 }\r
  45                 if (typeGetter == null || typeSetter == null) {\r
  46                         Class<?> superClazz = clazz.getSuperclass();\r
  47                         if (superClazz != Object.class)\r
  48                                 findTypeGetter(superClazz);\r
  49                         if (typeGetter == null || typeSetter == null) {\r
  50                                 throw new RuntimeException("Cannot find dynamic type methods for class " + clazz.getSimpleName());      \r
  51                         }\r
  52                 }\r
  53                 \r
  54                         \r
  55         }\r
  56         \r
  57         @Override\r
  58     public Resource createDomainElement(WriteGraph g, Range rangeElement)\r
  59             throws MappingException {\r
  60         try {\r
  61                 String typeUri = (String)typeGetter.invoke(rangeElement, null);\r
  62             if(LOGGER.isInfoEnabled())\r
  63                 LOGGER.info("SimpleLinkType.createDomainElement " +\r
  64                         rangeElement.toString()\r
  65                 );\r
  66             Resource actualDomainType = g.getResource(typeUri);\r
  67             Resource result = g.newResource();\r
  68             //g.claim(result, Layer0.getInstance(g).InstanceOf, null, domainType);\r
  69             g.claim(result, Layer0.getInstance(g).InstanceOf, null, actualDomainType);\r
  70             return result;\r
  71         } catch(DatabaseException e) {\r
  72             throw new MappingException(e);\r
  73         } catch (IllegalArgumentException e) {\r
  74                  throw new MappingException(e);\r
  75                 } catch (IllegalAccessException e) {\r
  76                          throw new MappingException(e);\r
  77                 } catch (InvocationTargetException e) {\r
  78                          throw new MappingException(e);\r
  79                 }\r
  80     }\r
  81         \r
  82          @Override\r
  83             public Range createRangeElement(ReadGraph g, Resource domainElement)\r
  84                     throws MappingException {\r
  85                 try {\r
  86                     if(LOGGER.isInfoEnabled())\r
  87                         try { \r
  88                             LOGGER.info("SimpleLinkType.createRangeElement " +\r
  89                                         NameUtils.getSafeName(g, domainElement)\r
  90                                     );\r
  91                         } catch(DatabaseException e) {\r
  92                             throw new MappingException(e);\r
  93                         }\r
  94                    Range r =  (Range)rangeType.newInstance();\r
  95                    Resource type = g.getSingleType(domainElement, domainType);\r
  96                    String uri = g.getURI(type);\r
  97                    typeSetter.invoke(r, uri);\r
  98                    return r;\r
  99                 } catch (InstantiationException e) {\r
 100                     throw new MappingException(e);\r
 101                 } catch (IllegalAccessException e) {\r
 102                     throw new MappingException(e);\r
 103                 } catch (DatabaseException e) {\r
 104                         throw new MappingException(e);\r
 105                         } catch (IllegalArgumentException e) {\r
 106                                 throw new MappingException(e);\r
 107                         } catch (InvocationTargetException e) {\r
 108                                 throw new MappingException(e);\r
 109                         } \r
 110             }\r
 111 \r
 112 }\r