New implementation of server state based on StandardNodeManager

[simantics/platform.git] / bundles / org.simantics.document.server / src / org / simantics / document / server / state / StateSessionManager.java

diff --git a/bundles/org.simantics.document.server/src/org/simantics/document/server/state/StateSessionManager.java b/bundles/org.simantics.document.server/src/org/simantics/document/server/state/StateSessionManager.java
new file mode 100644 (file)
index 0000000..267217c
--- /dev/null
+++ b/bundles/org.simantics.document.server/src/org/simantics/document/server/state/StateSessionManager.java
@@ -0,0 +1,37 @@
+package org.simantics.document.server.state;
+
+import org.simantics.db.ReadGraph;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.layer0.variable.NodeSupport;
+import org.simantics.simulator.toolkit.StandardNodeManager;
+import org.simantics.simulator.toolkit.StandardRealm;
+import org.simantics.simulator.toolkit.db.StandardSessionManager;
+
+public class StateSessionManager extends StandardSessionManager<StateNode, StateNodeManagerSupport> {
+
+       private static StateSessionManager INSTANCE;
+
+       public static StateSessionManager getInstance() {
+               if(INSTANCE == null) {
+                       INSTANCE = new StateSessionManager();
+               }
+               return INSTANCE;
+       }
+
+       @Override
+       protected StateNodeManagerSupport createEngine(ReadGraph graph, String id) throws DatabaseException {
+               return new StateNodeManagerSupport();
+       }
+
+       @Override
+       protected StandardRealm<StateNode, StateNodeManagerSupport> createRealm(StateNodeManagerSupport engine, String id) {
+               return new StateRealm(engine, id);
+       }
+
+       @Override
+       public void registerNodeSupport(StandardNodeManager<StateNode, StateNodeManagerSupport> manager,
+                       NodeSupport<StateNode> support) {
+               ((StateNodeManager)manager).registerSupport(support);
+       }
+
+}