bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/TypicalMasterRemover.java

   1 package org.simantics.modeling.adapters;
   2
   3 import org.simantics.db.Resource;
   4 import org.simantics.db.WriteGraph;
   5 import org.simantics.db.common.request.IsParent;
   6 import org.simantics.db.exception.DatabaseException;
   7
   8 /**
   9  * @author Tuukka Lehtonen
  10  */
  11 public class TypicalMasterRemover extends ExistingInstancesRemover {
  12
  13         public TypicalMasterRemover(Resource resource, String typeDescription) {
  14                 super(resource, typeDescription);
  15         }
  16
  17         @Override
  18         public void remove(WriteGraph graph) throws DatabaseException {
  19                 // In typical masters the actual typical type is defined as a part of
  20                 // the master instance itself. Therefore we need to customize this code
  21                 // to look for the correct type.
  22                 for (Resource type : graph.getPrincipalTypes(resource)) {
  23                         if (graph.syncRequest(new IsParent(resource, type))) {
  24                                 remove(graph, resource, type, resource);
  25                                 return;
  26                         }
  27                 }
  28
  29                 // Typical type not found. Just remove, no questions asked.
  30                 justRemove(graph);
  31         }
  32
  33 }