bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/util/ResourceTGValueModifier.java

   1 package org.simantics.db.layer0.util;\r
   2 \r
   3 import org.simantics.databoard.accessor.error.AccessorException;\r
   4 import org.simantics.databoard.binding.Binding;\r
   5 import org.simantics.databoard.type.Datatype;\r
   6 import org.simantics.db.exception.DatabaseException;\r
   7 import org.simantics.db.service.SerialisationSupport;\r
   8 import org.simantics.graph.utils.TGResourceUtil;\r
   9 import org.simantics.graph.utils.TGResourceUtil.LongAdapter;\r
  10 \r
  11 public class ResourceTGValueModifier implements TGValueModifier {\r
  12 \r
  13         final private TGResourceUtil util = new TGResourceUtil();\r
  14         final private SerialisationSupport ss;\r
  15         \r
  16         public ResourceTGValueModifier(SerialisationSupport ss) {\r
  17                 this.ss = ss;\r
  18         }\r
  19         \r
  20         @Override\r
  21         public boolean mayNeedModification(Datatype type) {\r
  22                 return util.mayHaveResource(type);\r
  23         }\r
  24 \r
  25         @Override\r
  26         public Object modify(final DomainProcessorState state, Binding binding, Object value) throws DatabaseException {\r
  27                 \r
  28                 try {\r
  29                         \r
  30                         util.adaptValue( binding, value, new LongAdapter() {\r
  31                                 @Override\r
  32                                 public long adapt(long in) {\r
  33                                         try {\r
  34                                                 int shortId = ss.getTransientId(in);\r
  35                                                 return state.ids.get(shortId);\r
  36                                         } catch (DatabaseException e) {\r
  37                                                 e.printStackTrace();\r
  38                                         }\r
  39                                         return in;\r
  40                                 }                       \r
  41                         });\r
  42                         \r
  43                         return value;\r
  44                         \r
  45                 } catch (AccessorException e) {\r
  46                         \r
  47                         throw new DatabaseException(e);\r
  48                         \r
  49                 }\r
  50                 \r
  51         }\r
  52 \r
  53 }\r