* Refactor the implementation of the FlowManager.getAllFlowsSummary()
  implementation so it is less add-hoc.
  Now it uses getAllFlows() in its backend, and returns an array
  of FlowPath objects instead of IFlowPath.

* Renamed method FlowDatabaseOperation.getAllFlowsWithoutFlowEntries()
  to getAllFlowsWithDataPathSummary() to reflect better its behavior.

* Removed method FlowManager.getAllFlowsWithoutFlowEntries()
  because it is not really used.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowDatabaseOperation.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowDatabaseOperation.java
index 73c4e51..ce2b1c7 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowDatabaseOperation.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowDatabaseOperation.java
@@ -590,9 +590,9 @@
      * @param maxFlows the maximum number of flows to be returned.
      * @return the Flow Paths if found, otherwise null.
      */
-    static ArrayList<IFlowPath> getAllFlowsSummary(GraphDBOperation dbHandler,
-						   FlowId flowId,
-						   int maxFlows) {
+    static ArrayList<FlowPath> getAllFlowsSummary(GraphDBOperation dbHandler,
+						  FlowId flowId,
+						  int maxFlows) {
 	//
 	// TODO: The implementation below is not optimal:
 	// We fetch all flows, and then return only the subset that match
@@ -600,61 +600,32 @@
 	// We should use the appropriate Titan/Gremlin query to filter-out
 	// the flows as appropriate.
 	//
-    	ArrayList<IFlowPath> flowPathsWithoutFlowEntries =
-	    getAllFlowsWithoutFlowEntries(dbHandler);
-
-    	Collections.sort(flowPathsWithoutFlowEntries, 
-			 new Comparator<IFlowPath>() {
-			     @Override
-			     public int compare(IFlowPath first, IFlowPath second) {
-				 long result =
-				     new FlowId(first.getFlowId()).value()
-				     - new FlowId(second.getFlowId()).value();
-				 if (result > 0) {
-				     return 1;
-				 } else if (result < 0) {
-				     return -1;
-				 } else {
-				     return 0;
-				 }
-			     }
-			 }
-			 );
-    	
-    	return flowPathsWithoutFlowEntries;
+    	ArrayList<FlowPath> flowPaths = getAllFlowsWithDataPathSummary(dbHandler);
+    	Collections.sort(flowPaths);
+    	return flowPaths;
     }
 
     /**
-     * Get all Flows information, without the associated Flow Entries.
+     * Get all Flows information, with Data Path summary for the Flow Entries.
      *
      * @param dbHandler the Graph Database handler to use.
-     * @return all Flows information, without the associated Flow Entries.
+     * @return all Flows information, with Data Path summary for the Flow
+     * Entries.
      */
-    static ArrayList<IFlowPath> getAllFlowsWithoutFlowEntries(GraphDBOperation dbHandler) {
-    	Iterable<IFlowPath> flowPathsObj = null;
-    	ArrayList<IFlowPath> flowPathsObjArray = new ArrayList<IFlowPath>();
+    static ArrayList<FlowPath> getAllFlowsWithDataPathSummary(GraphDBOperation dbHandler) {
+    	ArrayList<FlowPath> flowPaths = getAllFlows(dbHandler);
 
-	// TODO: Remove this op.commit() flow, because it is not needed?
-    	dbHandler.commit();
+	// Truncate each Flow Path and Flow Entry
+	for (FlowPath flowPath : flowPaths) {
+	    flowPath.setFlowEntryMatch(null);
+	    flowPath.setFlowEntryActions(null);
+	    for (FlowEntry flowEntry : flowPath.flowEntries()) {
+		flowEntry.setFlowEntryMatch(null);
+		flowEntry.setFlowEntryActions(null);
+	    }
+	}
 
-    	try {
-    	    flowPathsObj = dbHandler.getAllFlowPaths();
-    	} catch (Exception e) {
-    	    // TODO: handle exceptions
-    	    dbHandler.rollback();
-    	    log.error(":getAllFlowPaths failed");
-	    return flowPathsObjArray;		// No Flows found
-    	}
-    	if ((flowPathsObj == null) || (flowPathsObj.iterator().hasNext() == false)) {
-    	    return flowPathsObjArray;		// No Flows found
-    	}
-
-    	for (IFlowPath flowObj : flowPathsObj)
-	    flowPathsObjArray.add(flowObj);
-
-    	// conn.endTx(Transaction.COMMIT);
-
-    	return flowPathsObjArray;
+    	return flowPaths;
     }
 
     /**
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
index 45e8a6f..f427beb 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/FlowManager.java
@@ -365,22 +365,13 @@
      * @return the Flow Paths if found, otherwise null.
      */
     @Override
-    public ArrayList<IFlowPath> getAllFlowsSummary(FlowId flowId,
-						   int maxFlows) {
+    public ArrayList<FlowPath> getAllFlowsSummary(FlowId flowId,
+						  int maxFlows) {
 	return FlowDatabaseOperation.getAllFlowsSummary(dbHandlerApi, flowId,
 							maxFlows);
     }
     
     /**
-     * Get all Flows information, without the associated Flow Entries.
-     *
-     * @return all Flows information, without the associated Flow Entries.
-     */
-    public ArrayList<IFlowPath> getAllFlowsWithoutFlowEntries() {
-	return FlowDatabaseOperation.getAllFlowsWithoutFlowEntries(dbHandlerApi);
-    }
-
-    /**
      * Add and maintain a shortest-path flow.
      *
      * NOTE: The Flow Path argument does NOT contain flow entries.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/IFlowService.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/IFlowService.java
index b06d844..ba3a6e7 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/IFlowService.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/IFlowService.java
@@ -3,7 +3,6 @@
 import java.util.ArrayList;
 
 import net.floodlightcontroller.core.module.IFloodlightService;
-import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowPath;
 import net.onrc.onos.ofcontroller.topology.Topology;
 import net.onrc.onos.ofcontroller.util.CallerId;
 import net.onrc.onos.ofcontroller.util.DataPathEndpoints;
@@ -82,7 +81,7 @@
      * @param maxFlows number of flows to return
      * @return the Flow Paths if found, otherwise null.
      */
-    ArrayList<IFlowPath> getAllFlowsSummary(FlowId flowId, int maxFlows);
+    ArrayList<FlowPath> getAllFlowsSummary(FlowId flowId, int maxFlows);
     
     /**
      * Add and maintain a shortest-path flow.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetSummaryFlowsResource.java b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetSummaryFlowsResource.java
index 89e5b01..58f82a9 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetSummaryFlowsResource.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/flowmanager/web/GetSummaryFlowsResource.java
@@ -2,8 +2,8 @@
 
 import java.util.ArrayList;
 
-import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IFlowPath;
 import net.onrc.onos.ofcontroller.flowmanager.IFlowService;
+import net.onrc.onos.ofcontroller.util.FlowPath;
 import net.onrc.onos.ofcontroller.util.FlowId;
 
 import org.restlet.resource.Get;
@@ -31,8 +31,8 @@
      * @return the collection of Flow states if any found, otherwise null.
      */
     @Get("json")
-    public ArrayList<IFlowPath> retrieve() {
-    	ArrayList<IFlowPath> result = null;
+    public ArrayList<FlowPath> retrieve() {
+    	ArrayList<FlowPath> result = null;
     	
     	FlowId flowId;
     	int maxFlows = 0;