bundles/org.simantics.modeling/src/org/simantics/modeling/VariableStructuralContext.java

   1 package org.simantics.modeling;
   2
   3 import org.simantics.databoard.adapter.AdaptException;
   4 import org.simantics.databoard.binding.Binding;
   5 import org.simantics.db.ReadGraph;
   6 import org.simantics.db.Resource;
   7 import org.simantics.db.exception.DatabaseException;
   8 import org.simantics.db.layer0.variable.Variable;
   9
  10 public class VariableStructuralContext extends org.simantics.structural2.scl.VariableStructuralContext {
  11
  12         final private Variable selfVariable;
  13
  14         public VariableStructuralContext(ReadGraph graph, Variable selfVariable) throws DatabaseException {
  15                 super(graph, selfVariable);
  16                 this.selfVariable = selfVariable;
  17         }
  18
  19     public VariableStructuralContext(Variable selfVariable, Variable variable) throws DatabaseException {
  20         super(variable);
  21         this.selfVariable = selfVariable;
  22     }
  23
  24         @Override
  25         public Object getValue(ReadGraph g, Resource attribute, Binding binding) throws DatabaseException, AdaptException {
  26                 ModelingResources MOD = ModelingResources.getInstance(g);
  27                 if(MOD.self.equals(attribute)) return selfVariable;
  28                 return super.getValue(g, attribute, binding);
  29         }
  30
  31 }