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

   1 package org.simantics.db.layer0.request;\r
   2 \r
   3 import org.simantics.db.RequestProcessor;\r
   4 import org.simantics.db.Resource;\r
   5 import org.simantics.db.SessionModel;\r
   6 import org.simantics.db.WriteGraph;\r
   7 import org.simantics.db.common.request.WriteRequest;\r
   8 import org.simantics.db.exception.DatabaseException;\r
   9 import org.simantics.db.service.VirtualGraphSupport;\r
  10 import org.simantics.layer0.Layer0;\r
  11 import org.simantics.operation.Layer0X;\r
  12 import org.simantics.user.UserResource;\r
  13 \r
  14 public class SetActiveSessionRole extends WriteRequest {\r
  15     \r
  16     final private Resource model;\r
  17     final private Resource role;\r
  18     \r
  19     public SetActiveSessionRole(RequestProcessor processor, Resource model, Resource role) {\r
  20         super(processor.getService(VirtualGraphSupport.class).getWorkspacePersistent("activations"));\r
  21         this.model = model;\r
  22         this.role = role;\r
  23     }\r
  24 \r
  25     @Override\r
  26     public void perform(WriteGraph graph) throws DatabaseException {\r
  27         \r
  28         Layer0 L0 = Layer0.getInstance(graph);\r
  29         Layer0X L0X = Layer0X.getInstance(graph);\r
  30         UserResource USER = UserResource.getInstance(graph);\r
  31         Resource session = graph.getService(SessionModel.class).getResource();\r
  32         \r
  33         if(session != null) {\r
  34             for(Resource selection : graph.getObjects(session, L0X.Session_HasRoleSelection)) {\r
  35                 Resource selectionModel = graph.getPossibleObject(selection, USER.RoleSelection_HasModel);\r
  36                 if(selectionModel.equals(model)) {\r
  37                     graph.deny(selection, USER.RoleSelection_HasRole);\r
  38                     graph.claim(selection, USER.RoleSelection_HasRole, role);\r
  39                     return;\r
  40                 }\r
  41             }\r
  42         }\r
  43         \r
  44         Resource selection = graph.newResource();\r
  45         graph.claim(selection, L0.InstanceOf, null, USER.RoleSelection);\r
  46         graph.claim(selection, USER.RoleSelection_HasModel, model);\r
  47         graph.claim(selection, USER.RoleSelection_HasRole, role);\r
  48         graph.claim(session, L0X.Session_HasRoleSelection, selection);\r
  49         \r
  50     }\r
  51 \r
  52 }\r