bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/PossibleRoles.java

   1 package org.simantics.db.layer0.request;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5
   6 import org.simantics.db.ReadGraph;
   7 import org.simantics.db.Resource;
   8 import org.simantics.db.common.request.ResourceRead2;
   9 import org.simantics.db.exception.DatabaseException;
  10 import org.simantics.db.layer0.adapter.Instances;
  11 import org.simantics.user.UserResource;
  12
  13 public class PossibleRoles extends ResourceRead2<Collection<Resource>> {
  14
  15     public PossibleRoles(Resource model, Resource user) {
  16         super(model, user);
  17     }
  18
  19     @Override
  20     public Collection<Resource> perform(ReadGraph graph) throws DatabaseException {
  21
  22         UserResource USER = UserResource.getInstance(graph);
  23         ArrayList<Resource> result = new ArrayList<Resource>();
  24         Instances query = graph.adapt(USER.RoleAssignment, Instances.class);
  25         for(Resource assignment : query.find(graph, resource)) {
  26             if(graph.syncRequest(new IsUserAssigned(assignment, resource2))) {
  27                 result.addAll(graph.getObjects(assignment, USER.RoleAssignment_HasRole));
  28             }
  29         }
  30         result.add(USER.DefaultRole);
  31         return result;
  32
  33     }
  34
  35 }