bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/validation/GetConstraints.java

   1 package org.simantics.db.layer0.validation;
   2
   3 import java.util.HashSet;
   4 import java.util.Set;
   5
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.common.request.ResourceRead;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.layer0.Layer0;
  11
  12 public class GetConstraints extends ResourceRead<Set<Resource>> {
  13
  14         public GetConstraints(Resource resource) {
  15                 super(resource);
  16         }
  17
  18         @Override
  19         public Set<Resource> perform(ReadGraph graph) throws DatabaseException {
  20
  21                 Layer0 L0 = Layer0.getInstance(graph);
  22                 HashSet<Resource> result = new HashSet<Resource>();
  23                 for(Resource type : graph.getTypes(resource)) {
  24                         result.addAll(graph.getObjects(type, L0.HasConstraint));
  25                 }
  26                 return result;
  27
  28         }
  29
  30 }