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

   1 package org.simantics.db.layer0.adapter;
   2
   3 import org.simantics.db.ComputationalValue;
   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 ReflectionComputationalValue implements ComputationalValue {
  11
  12         @SuppressWarnings("unchecked")
  13         @Override
  14         public <T> T getValue(ReadGraph graph, Resource resource) throws DatabaseException {
  15
  16                 try {
  17                         return (T)ReflectionUtils.getValue(graph.getURI(resource)).getValue();
  18                 } catch(ValueNotFoundException e) {
  19                         throw new DatabaseException(e);
  20                 } catch(ClassCastException e) {
  21                         throw new DatabaseException(e);
  22                 }
  23
  24         }
  25
  26 }