Moved pure ONOS code in net.floodlightcontroller.devicemanager.internal to onos package namespace
diff --git a/src/main/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImpl.java b/src/main/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImpl.java
new file mode 100644
index 0000000..d6c83c5
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/devicemanager/internal/DeviceStorageImpl.java
@@ -0,0 +1,160 @@
+package net.onrc.onos.ofcontroller.devicemanager.internal;
+
+import java.util.List;
+import org.openflow.util.HexString;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.collect.Lists;
+import com.thinkaurelius.titan.core.TitanException;
+import net.floodlightcontroller.devicemanager.IDevice;
+import net.floodlightcontroller.devicemanager.SwitchPort;
+import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IDeviceObject;
+import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IPortObject;
+import net.onrc.onos.ofcontroller.core.internal.SwitchStorageImpl;
+import net.onrc.onos.ofcontroller.devicemanager.IDeviceStorage;
+import net.onrc.onos.util.GraphDBConnection;
+import net.onrc.onos.util.GraphDBConnection.Transaction;
+
+public class DeviceStorageImpl implements IDeviceStorage {
+	
+	public GraphDBConnection conn;
+	protected static Logger log = LoggerFactory.getLogger(SwitchStorageImpl.class);
+
+	@Override
+	public void init(String conf) {
+		conn = GraphDBConnection.getInstance(conf);
+	}	
+
+	public void finalize() {		
+		close();
+	}
+	
+	@Override
+	public void close() {
+		conn.close();
+	}
+
+	@Override
+	public IDeviceObject addDevice(IDevice device) {
+		// TODO Auto-generated method stub
+		IDeviceObject obj = null;
+ 		try {
+            if ((obj = conn.utils().searchDevice(conn, device.getMACAddressString())) != null) {
+                log.debug("Adding device {}: found existing device",device.getMACAddressString());
+            } else {
+            	obj = conn.utils().newDevice(conn);
+                log.debug("Adding device {}: creating new device",device.getMACAddressString());
+            }
+            changeDeviceAttachments(device, obj);
+            
+ 			obj.setIPAddress(device.getIPv4Addresses().toString());
+ 			obj.setMACAddress(device.getMACAddressString());
+ 			obj.setType("device");
+ 			obj.setState("ACTIVE");
+ 			conn.endTx(Transaction.COMMIT);
+ 			
+ 			log.debug("Adding device {}",device.getMACAddressString());
+		} catch (Exception e) {
+            // TODO: handle exceptions
+          	conn.endTx(Transaction.ROLLBACK);
+			log.error(":addDevice mac:{} failed", device.getMACAddressString());
+		}	
+		
+		return obj;
+	}
+
+	@Override
+	public IDeviceObject updateDevice(IDevice device) {
+		return addDevice(device);
+	}
+
+	@Override
+	public void removeDevice(IDevice device) {
+		// TODO Auto-generated method stub
+		IDeviceObject dev;
+		try {
+			if ((dev = conn.utils().searchDevice(conn, device.getMACAddressString())) != null) {
+             	conn.utils().removeDevice(conn, dev);
+              	conn.endTx(Transaction.COMMIT);
+            	log.error("DeviceStorage:removeDevice mac:{} done", device.getMACAddressString());
+            }
+		} catch (Exception e) {
+             // TODO: handle exceptions
+          	conn.endTx(Transaction.ROLLBACK);
+			log.error("DeviceStorage:removeDevice mac:{} failed", device.getMACAddressString());
+		}
+	}
+
+	@Override
+	public IDeviceObject getDeviceByMac(String mac) {
+		return conn.utils().searchDevice(conn, mac);
+	}
+
+	@Override
+	public IDeviceObject getDeviceByIP(String ip) {
+		// TODO Auto-generated method stub
+		return null;
+	}
+
+	@Override
+	public void changeDeviceAttachments(IDevice device) {
+		// TODO Auto-generated method stub
+		IDeviceObject obj = null;
+ 		try {
+            if ((obj = conn.utils().searchDevice(conn, device.getMACAddressString())) != null) {
+                log.debug("Changing device ports {}: found existing device",device.getMACAddressString());
+                changeDeviceAttachments(device, obj);
+     			conn.endTx(Transaction.COMMIT);
+           } else {
+   				log.debug("failed to search device...now adding {}",device.getMACAddressString());
+   				addDevice(device);
+           }            			
+		} catch (Exception e) {
+            // TODO: handle exceptions
+          	conn.endTx(Transaction.ROLLBACK);
+			log.error(":addDevice mac:{} failed", device.getMACAddressString());
+		}	
+	}
+	
+	public void changeDeviceAttachments(IDevice device, IDeviceObject obj) {
+		SwitchPort[] attachmentPoints = device.getAttachmentPoints();
+		List<IPortObject> attachedPorts = Lists.newArrayList(obj.getAttachedPorts());
+
+        for (SwitchPort ap : attachmentPoints) {
+       	 IPortObject port = conn.utils().searchPort(conn,
+       			 									HexString.toHexString(ap.getSwitchDPID()),
+       												(short) ap.getPort());
+       	if (attachedPorts.contains(port)) {
+       		attachedPorts.remove(port);
+       	} else {
+               log.debug("Adding device {}: attaching to port",device.getMACAddressString());
+               port.setDevice(obj);
+       		//obj.setHostPort(port);
+       	}            		
+       }
+       for (IPortObject port: attachedPorts) {
+       		port.removeDevice(obj);
+       	//	obj.removeHostPort(port);
+       }	
+	}
+
+	@Override
+	public void changeDeviceIPv4Address(IDevice device) {
+		// TODO Auto-generated method stub
+		IDeviceObject obj;
+  		try {
+  			if ((obj = conn.utils().searchDevice(conn, device.getMACAddressString())) != null) {
+            	obj.setIPAddress(device.getIPv4Addresses().toString());
+              	conn.endTx(Transaction.COMMIT); 
+  			} else {
+            	log.error(":changeDeviceIPv4Address mac:{} failed", device.getMACAddressString());
+             }		
+  		} catch (TitanException e) {
+            // TODO: handle exceptions
+          	conn.endTx(Transaction.ROLLBACK);
+			log.error(":changeDeviceIPv4Address mac:{} failed due to exception {}", device.getMACAddressString(),e);
+		}
+	}
+
+}