diff --git a/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java b/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java
new file mode 100644
index 0000000..a540d64
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java
@@ -0,0 +1,63 @@
+package net.onrc.onos.ofcontroller.core.internal;
+
+import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IPortObject;
+import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.ISwitchObject;
+import net.onrc.onos.ofcontroller.core.INetMapTopologyService.ITopoSwitchService;
+import net.onrc.onos.util.GraphDBConnection;
+import net.onrc.onos.util.GraphDBConnection.Transaction;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TopoSwitchServiceImpl implements ITopoSwitchService {
+	
+	private GraphDBConnection conn;
+	protected static Logger log = LoggerFactory.getLogger(TopoSwitchServiceImpl.class);
+
+
+	public void finalize() {
+		close();
+	}
+	
+	@Override
+	public void close() {
+
+		conn.close();
+	}
+	
+	@Override
+	public Iterable<ISwitchObject> getActiveSwitches() {
+		// TODO Auto-generated method stub
+		conn = GraphDBConnection.getInstance("/tmp/cassandra.titan");
+		conn.close(); //Commit to ensure we see latest data
+		return conn.utils().getActiveSwitches(conn);
+	}
+
+	@Override
+	public Iterable<ISwitchObject> getAllSwitches() {
+		// TODO Auto-generated method stub
+		conn = GraphDBConnection.getInstance("/tmp/cassandra.titan");
+		conn.close(); //Commit to ensure we see latest data
+		return conn.utils().getAllSwitches(conn);
+	}
+
+	@Override
+	public Iterable<ISwitchObject> getInactiveSwitches() {
+		// TODO Auto-generated method stub
+		conn = GraphDBConnection.getInstance("/tmp/cassandra.titan");
+		conn.close(); //Commit to ensure we see latest data
+		return conn.utils().getInactiveSwitches(conn);
+	}
+
+	@Override
+	public Iterable<IPortObject> getPortsOnSwitch(String dpid) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public IPortObject getPortOnSwitch(String dpid, short port_num) {
+		// TODO Auto-generated method stub
+		return null;
+	}	
+}