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

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