bundles/org.simantics.simulator.toolkit.db/src/org/simantics/simulator/toolkit/db/StandardVariableManagerVariableBuilder.java

   1 package org.simantics.simulator.toolkit.db;
   2
   3 import org.simantics.db.ReadGraph;
   4 import org.simantics.db.exception.DatabaseException;
   5 import org.simantics.db.layer0.variable.NodeManagerVariableBuilder;
   6 import org.simantics.db.layer0.variable.NodeSupport;
   7 import org.simantics.simulator.toolkit.StandardNodeManager;
   8
   9 public abstract class StandardVariableManagerVariableBuilder extends NodeManagerVariableBuilder {
  10
  11     @Override
  12     protected Object getRoot(ReadGraph graph, NodeSupport<?> support, String sessionName) {
  13         StandardNodeManager manager = (StandardNodeManager)support.manager;
  14         return manager.getRoot();
  15     }
  16
  17     /*
  18      * For compatibility reasons. Existing implementations implement getNodeSupport directly and in that case this is not needed.
  19      * New implementations should not implement getNodeSupport but rather implement this.
  20      */
  21     protected StandardVariableSessionManager getSessionManager() {
  22         throw new UnsupportedOperationException();
  23     }
  24
  25     protected NodeSupport<?> getNodeSupport(ReadGraph graph, String sessionName) throws DatabaseException {
  26         return getSessionManager().getOrCreateNodeSupport(graph, sessionName);
  27     }
  28
  29 }