Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / request / SetActiveSessionRole.java

diff --git a/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/SetActiveSessionRole.java b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/SetActiveSessionRole.java
new file mode 100644 (file)
index 0000000..921e668
--- /dev/null
+++ b/bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/request/SetActiveSessionRole.java
@@ -0,0 +1,52 @@
+package org.simantics.db.layer0.request;\r
+\r
+import org.simantics.db.RequestProcessor;\r
+import org.simantics.db.Resource;\r
+import org.simantics.db.SessionModel;\r
+import org.simantics.db.WriteGraph;\r
+import org.simantics.db.common.request.WriteRequest;\r
+import org.simantics.db.exception.DatabaseException;\r
+import org.simantics.db.service.VirtualGraphSupport;\r
+import org.simantics.layer0.Layer0;\r
+import org.simantics.operation.Layer0X;\r
+import org.simantics.user.UserResource;\r
+\r
+public class SetActiveSessionRole extends WriteRequest {\r
+    \r
+    final private Resource model;\r
+    final private Resource role;\r
+    \r
+    public SetActiveSessionRole(RequestProcessor processor, Resource model, Resource role) {\r
+        super(processor.getService(VirtualGraphSupport.class).getWorkspacePersistent("activations"));\r
+        this.model = model;\r
+        this.role = role;\r
+    }\r
+\r
+    @Override\r
+    public void perform(WriteGraph graph) throws DatabaseException {\r
+        \r
+        Layer0 L0 = Layer0.getInstance(graph);\r
+        Layer0X L0X = Layer0X.getInstance(graph);\r
+        UserResource USER = UserResource.getInstance(graph);\r
+        Resource session = graph.getService(SessionModel.class).getResource();\r
+        \r
+        if(session != null) {\r
+            for(Resource selection : graph.getObjects(session, L0X.Session_HasRoleSelection)) {\r
+                Resource selectionModel = graph.getPossibleObject(selection, USER.RoleSelection_HasModel);\r
+                if(selectionModel.equals(model)) {\r
+                    graph.deny(selection, USER.RoleSelection_HasRole);\r
+                    graph.claim(selection, USER.RoleSelection_HasRole, role);\r
+                    return;\r
+                }\r
+            }\r
+        }\r
+        \r
+        Resource selection = graph.newResource();\r
+        graph.claim(selection, L0.InstanceOf, null, USER.RoleSelection);\r
+        graph.claim(selection, USER.RoleSelection_HasModel, model);\r
+        graph.claim(selection, USER.RoleSelection_HasRole, role);\r
+        graph.claim(session, L0X.Session_HasRoleSelection, selection);\r
+        \r
+    }\r
+\r
+}\r