bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/adapter/ReflectionExternalValue.java

   1 package org.simantics.db.layer0.adapter;
   2
   3 import org.simantics.db.ExternalValue;
   4 import org.simantics.db.ReadGraph;
   5 import org.simantics.db.Resource;
   6 import org.simantics.db.exception.DatabaseException;
   7 import org.simantics.scl.reflection.ReflectionUtils;
   8 import org.simantics.scl.reflection.ValueNotFoundException;
   9
  10 public class ReflectionExternalValue implements ExternalValue {
  11
  12         @Override
  13         public <T> T getValue(ReadGraph graph, Resource resource) throws DatabaseException {
  14
  15                 try {
  16                         return (T)ReflectionUtils.getValue(graph.getURI(resource)).getValue();
  17                 } catch(ValueNotFoundException e) {
  18                         throw new DatabaseException(e);
  19                 } catch(ClassCastException e) {
  20                         throw new DatabaseException(e);
  21                 }
  22
  23         }
  24
  25 }