Introduced new field FlowPathType to the Flow Path.
The initial set of valid values are:

    FP_TYPE_SHORTEST_PATH,              // Shortest path flow
    FP_TYPE_EXPLICIT_PATH               // Flow path with explicit flow entries

For now, the type field is not used (explicitly) yet.
diff --git a/src/test/java/net/onrc/onos/ofcontroller/core/INetMapTopologyObjectsIFlowPathTest.java b/src/test/java/net/onrc/onos/ofcontroller/core/INetMapTopologyObjectsIFlowPathTest.java
index bb0dbbf..db39153 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/core/INetMapTopologyObjectsIFlowPathTest.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/core/INetMapTopologyObjectsIFlowPathTest.java
@@ -104,6 +104,24 @@
 
 	/**
 	 * Desc:
+	 *  Test method for get and set FlowPathType method.
+	 * Condition:
+	 *  N/A
+	 * Expect:
+	 * 1. Should set the Flow Path Type.
+	 * 2. Should get the Flow Path Type.
+	 */
+	@Test
+	public void testSetGetFlowPathType() {
+		String flowId = "xx";
+		String flowPathType = "FP_TYPE_SHORTEST_PATH";
+		flowPath.setFlowId(flowId);
+		flowPath.setFlowPathType(flowPathType);
+		assertEquals(flowPath.getFlowPathType(), flowPathType);
+	}
+
+	/**
+	 * Desc:
 	 *  Test method for get and set FlowPathFlags method.
 	 * Condition:
 	 *  N/A
diff --git a/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java b/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java
index 385b49d..cf6501a 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/core/internal/TestableGraphDBOperation.java
@@ -415,6 +415,7 @@
 	
 	public static class TestFlowPath implements IFlowPath {
 		private String state,type,flowId,installerId,srcSw,dstSw;
+		private String flowPathType;
 		private Long flowPathFlags;
 		private String dataPathSummary,userState;
 		private Short srcPort,dstPort;
@@ -431,6 +432,7 @@
 		private List<ISwitchObject> switches;
 
 		private String stateToUpdate,typeToUpdate,flowIdToUpdate,installerIdToUpdate,srcSwToUpdate,dstSwToUpdate;
+		private String flowPathTypeToUpdate;
 		private Long flowPathFlagsToUpdate;
 		private String dataPathSummaryToUpdate,userStateToUpdate;
 		private Short srcPortToUpdate,dstPortToUpdate;
@@ -469,6 +471,7 @@
 			if(typeToUpdate != null) { type = typeToUpdate; }
 			if(flowIdToUpdate != null) { flowId = flowIdToUpdate; }
 			if(installerIdToUpdate != null) { installerId = installerIdToUpdate; }
+			if(flowPathTypeToUpdate != null) { flowPathType = flowPathTypeToUpdate; }
 			if(flowPathFlagsToUpdate != null) { flowPathFlags = flowPathFlagsToUpdate; }
 			if(srcSwToUpdate != null) { srcSw = srcSwToUpdate; }
 			if(dstSwToUpdate != null) { dstSw = dstSwToUpdate; }
@@ -499,6 +502,7 @@
 			flowsToRemove.clear();
 			
 			stateToUpdate = typeToUpdate = flowIdToUpdate = installerIdToUpdate = null;
+			flowPathTypeToUpdate = null;
 			flowPathFlagsToUpdate = null;
 			srcSwToUpdate = dstSwToUpdate = dataPathSummaryToUpdate = userStateToUpdate = null;
 			srcPortToUpdate = dstPortToUpdate = null;
@@ -517,6 +521,7 @@
 		public void setTypeForTest(String type) { this.type = type; }
 		public void setFlowIdForTest(String flowId) { this.flowId = flowId; }
 		public void setInstallerIdForTest(String installerId) { this.installerId = installerId; }
+		public void setFlowPathTypeForTest(String flowPathType) { this.flowPathType = flowPathType; }
 		public void setFlowPathFlagsForTest(Long flowPathFlags) { this.flowPathFlags = flowPathFlags; }
 		public void setSrcSwForTest(String srcSw) { this.srcSw = srcSw; }
 		public void setDstSwForTest(String dstSw) { this.dstSw = dstSw; }
@@ -570,6 +575,12 @@
 		public void setInstallerId(String installerId) { installerIdToUpdate = installerId; }
 
 		@Override
+		public String getFlowPathType() { return flowPathType; }
+
+		@Override
+		public void setFlowPathType(String flowPathType) { flowPathTypeToUpdate = flowPathType; }
+
+		@Override
 		public Long getFlowPathFlags() { return flowPathFlags; }
 
 		@Override
diff --git a/src/test/java/net/onrc/onos/ofcontroller/flowmanager/FlowManagerTest.java b/src/test/java/net/onrc/onos/ofcontroller/flowmanager/FlowManagerTest.java
index ea09c17..820ad05 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/flowmanager/FlowManagerTest.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/flowmanager/FlowManagerTest.java
@@ -88,11 +88,12 @@
 	}
 	
 	private IFlowPath createIFlowPathMock(long flowId, String installerID,
-			long flowPathFlags,
+			String flowPathType, long flowPathFlags,
 			long srcDpid, int srcPort, long dstDpid, int dstPort) {
 		IFlowPath iFlowPath = createNiceMock(IFlowPath.class);
 		expect(iFlowPath.getFlowId()).andReturn(new FlowId(flowId).toString()).anyTimes();
 		expect(iFlowPath.getInstallerId()).andReturn(installerID).anyTimes();
+		expect(iFlowPath.getFlowPathType()).andReturn(flowPathType).anyTimes();
 		expect(iFlowPath.getFlowPathFlags()).andReturn(new Long(flowPathFlags)).anyTimes();
 		expect(iFlowPath.getSrcSwitch()).andReturn(new Dpid(srcDpid).toString()).anyTimes();
 		expect(iFlowPath.getSrcPort()).andReturn(new Short((short)srcPort)).anyTimes();
@@ -102,13 +103,14 @@
 	}
 	
 	private FlowPath createTestFlowPath(long flowId, String installerId,
-			final long flowPathFlags,
+			String flowPathType, final long flowPathFlags,
 			final long srcDpid, final int srcPort,
-			final long dstDpid, final int dstPort			
+			final long dstDpid, final int dstPort
 			) {
 		FlowPath flowPath = new FlowPath();
 		flowPath.setFlowId(new FlowId(flowId));
 		flowPath.setInstallerId(new CallerId(installerId));
+		flowPath.setFlowPathType(FlowPathType.valueOf(flowPathType));
 		flowPath.setFlowPathFlags(new FlowPathFlags(flowPathFlags));
 		flowPath.setDataPath(new DataPath() {{
 			setSrcPort(new SwitchPort(new Dpid(srcDpid), new Port((short)srcPort)));
@@ -119,9 +121,9 @@
 	}
 	
 	private ArrayList<FlowPath> createTestFlowPaths() {
-		FlowPath flowPath1 = createTestFlowPath(1, "foo caller id", 0, 1, 1, 2, 2); 
-		FlowPath flowPath2 = createTestFlowPath(2, "caller id", 0, 1, 1, 2, 2); 
-		FlowPath flowPath3 = createTestFlowPath(3, "caller id", 0, 1, 5, 2, 2); 
+		FlowPath flowPath1 = createTestFlowPath(1, "foo caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 1, 2, 2); 
+		FlowPath flowPath2 = createTestFlowPath(2, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 1, 2, 2); 
+		FlowPath flowPath3 = createTestFlowPath(3, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 5, 2, 2); 
 
 		ArrayList<FlowPath> flowPaths = new ArrayList<FlowPath>();
 		flowPaths.add(flowPath1);
@@ -194,6 +196,7 @@
 		FlowPath flowPath = new FlowPath();
 		flowPath.setFlowId(new FlowId(0x100));
 		flowPath.setInstallerId(new CallerId("installer id"));
+		flowPath.setFlowPathType(FlowPathType.valueOf("FP_TYPE_SHORTEST_PATH"));
 		flowPath.setFlowPathFlags(new FlowPathFlags(0));
 		flowPath.setDataPath(dataPath);
 		flowPath.setFlowEntryMatch(match);
@@ -205,6 +208,7 @@
 		createdFlowPath.setFlowId("0x100");
 		createdFlowPath.setType("flow");
 		createdFlowPath.setInstallerId("installer id");
+		createdFlowPath.setFlowPathType("FP_TYPE_SHORTEST_PATH");
 		createdFlowPath.setFlowPathFlags(new Long((long)0));
 		createdFlowPath.setSrcSwitch("00:00:00:00:00:00:12:34");
 		createdFlowPath.setSrcPort(new Short((short)1));
@@ -353,7 +357,7 @@
 	public final void testGetFlowSuccessNormally() throws Exception {
 		// instantiate required objects
 		FlowManager fm = new FlowManager();
-		IFlowPath iFlowPath = createIFlowPathMock(1, "caller id", 0, 1, 1, 2, 2); 
+		IFlowPath iFlowPath = createIFlowPathMock(1, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 1, 2, 2); 
 
 		// setup expectations
 		expectInitWithContext();
@@ -367,11 +371,13 @@
 		fm.init(context);
 		FlowPath flowPath = fm.getFlow(new FlowId(1));
 		String installerId = flowPath.installerId().toString();
+		String flowPathType = flowPath.flowPathType().toString();
 		long flowPathFlags = flowPath.flowPathFlags().flags();
 		
 		//verify the test
 		verifyAll();
 		assertEquals("caller id", installerId);
+		assertEquals("FP_TYPE_SHORTEST_PATH", flowPathType);
 		assertEquals(0L, flowPathFlags);
 	}
 	
@@ -454,9 +460,9 @@
 		final String getAllFlowsWithoutFlowEntries = "getAllFlowsWithoutFlowEntries";
 		// create mock objects
 		FlowManager fm = createPartialMockAndInvokeDefaultConstructor(FlowManager.class, getAllFlowsWithoutFlowEntries);
-		IFlowPath flowPath1 = createIFlowPathMock(1, "", 0, 1, 2, 3, 4);
-		IFlowPath flowPath2 = createIFlowPathMock(5, "", 0, 2, 3, 4, 5);
-		IFlowPath flowPath3 = createIFlowPathMock(10, "", 0, 3, 4, 5, 6);
+		IFlowPath flowPath1 = createIFlowPathMock(1, "", "FP_TYPE_SHORTEST_PATH", 0, 1, 2, 3, 4);
+		IFlowPath flowPath2 = createIFlowPathMock(5, "", "FP_TYPE_SHORTEST_PATH", 0, 2, 3, 4, 5);
+		IFlowPath flowPath3 = createIFlowPathMock(10, "", "FP_TYPE_SHORTEST_PATH", 0, 3, 4, 5, 6);
 
 		// instantiate required objects
 		ArrayList<IFlowPath> flows = new ArrayList<IFlowPath>();
@@ -489,8 +495,8 @@
 	@Test
 	public final void testGetAllFlowsSuccessNormally() throws Exception {
 		// create mock objects
-		IFlowPath iFlowPath1 = createIFlowPathMock(1, "caller id", 0, 1, 1, 2, 2); 
-		IFlowPath iFlowPath2 = createIFlowPathMock(2, "caller id", 0, 2, 5, 3, 5);
+		IFlowPath iFlowPath1 = createIFlowPathMock(1, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 1, 2, 2); 
+		IFlowPath iFlowPath2 = createIFlowPathMock(2, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 2, 5, 3, 5);
 		
 		// instantiate required objects
 		ArrayList<IFlowPath> flowPaths = new ArrayList<IFlowPath>();
@@ -541,6 +547,7 @@
 		FlowPath paramFlow = new FlowPath();
 		paramFlow.setFlowId(new FlowId(100));
 		paramFlow.setInstallerId(new CallerId("installer id"));
+		paramFlow.setFlowPathType(FlowPathType.valueOf("FP_TYPE_SHORTEST_PATH"));
 		paramFlow.setFlowPathFlags(new FlowPathFlags(0));
 		paramFlow.setDataPath(dataPath);
 		paramFlow.setFlowEntryMatch(match);
@@ -556,6 +563,7 @@
 						FlowPath flowPath = (FlowPath)EasyMock.getCurrentArguments()[0];
 						assertEquals(flowPath.flowId().value(), 100);
 						assertEquals(flowPath.installerId().toString(), "installer id");
+						assertEquals(flowPath.flowPathType().toString(), "PF_TYPE_SHORTEST_PATH");
 						assertEquals(flowPath.flowPathFlags().flags(), 0);
 						assertEquals(flowPath.dataPath().srcPort().toString(),
 								new SwitchPort(new Dpid(1), new Port((short)3)).toString());
@@ -577,6 +585,7 @@
 		verifyAll();
 		assertEquals(paramFlow.flowId().value(), resultFlow.flowId().value());
 		assertEquals(paramFlow.installerId().toString(), resultFlow.installerId().toString());
+		assertEquals(paramFlow.flowPathType().toString(), resultFlow.flowPathType().toString());
 		assertEquals(paramFlow.flowPathFlags().flags(), resultFlow.flowPathFlags().flags());
 		assertEquals(paramFlow.dataPath().toString(), resultFlow.dataPath().toString());
 		assertEquals(paramFlow.flowEntryMatch().toString(), resultFlow.flowEntryMatch().toString());
@@ -775,7 +784,7 @@
 	@Test
 	public final void testClearFlowSuccessNormally() throws Exception {
 		// create mock objects
-		IFlowPath flowPath = createIFlowPathMock(123, "id", 0, 1, 2, 3, 4);
+		IFlowPath flowPath = createIFlowPathMock(123, "id", "FP_TYPE_SHORTEST_PATH", 0, 1, 2, 3, 4);
 		IFlowEntry flowEntry1 = createMock(IFlowEntry.class);
 		IFlowEntry flowEntry2 = createMock(IFlowEntry.class);
 		IFlowEntry flowEntry3 = createMock(IFlowEntry.class);
@@ -818,8 +827,8 @@
 	@Test
 	public final void testGetAllFlowsWithoutFlowEntriesSuccessNormally() throws Exception {
 		// create mock objects
-		IFlowPath iFlowPath1 = createIFlowPathMock(1, "caller id", 0, 1, 1, 2, 2); 
-		IFlowPath iFlowPath2 = createIFlowPathMock(2, "caller id", 0, 2, 5, 3, 5);
+		IFlowPath iFlowPath1 = createIFlowPathMock(1, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 1, 2, 2); 
+		IFlowPath iFlowPath2 = createIFlowPathMock(2, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 2, 5, 3, 5);
 		
 		// instantiate required objects
 		ArrayList<IFlowPath> flowPaths = new ArrayList<IFlowPath>();
@@ -855,7 +864,7 @@
 		final String addFlowEntry = "addFlowEntry";
 		
 		// create mock objects
-		IFlowPath iFlowPath1 = createIFlowPathMock(1, "caller id", 0, 1, 1, 2, 2);
+		IFlowPath iFlowPath1 = createIFlowPathMock(1, "caller id", "FP_TYPE_SHORTEST_PATH", 0, 1, 1, 2, 2);
 		IFlowEntry iFlowEntry1 = createMock(IFlowEntry.class);
 		IFlowEntry iFlowEntry2 = createMock(IFlowEntry.class);
 		FlowManager fm = createPartialMockAndInvokeDefaultConstructor(FlowManager.class, addFlowEntry);
@@ -929,7 +938,7 @@
 	public final void testInstallFlowEntryWithIFlowPathSuccessNormally() throws Exception {
 		// create mock object
 		IOFSwitch iofSwitch = createNiceMock(IOFSwitch.class);
-		IFlowPath iFlowPath = createIFlowPathMock(1, "id", 0, 1, 2, 3, 4); 
+		IFlowPath iFlowPath = createIFlowPathMock(1, "id", "FP_TYPE_SHORTEST_PATH", 0, 1, 2, 3, 4); 
 		IFlowEntry iFlowEntry = createMock(IFlowEntry.class);
 		BasicFactory basicFactory = createMock(BasicFactory.class);
 		
diff --git a/src/test/java/net/onrc/onos/ofcontroller/util/FlowPathTest.java b/src/test/java/net/onrc/onos/ofcontroller/util/FlowPathTest.java
index 89a12e5..7f18667 100644
--- a/src/test/java/net/onrc/onos/ofcontroller/util/FlowPathTest.java
+++ b/src/test/java/net/onrc/onos/ofcontroller/util/FlowPathTest.java
@@ -16,6 +16,7 @@
 		TestFlowPath iFlowPath = new TestFlowPath();
 		iFlowPath.setFlowIdForTest("0x1234");
 		iFlowPath.setInstallerIdForTest("installerId");
+		iFlowPath.setFlowPathTypeForTest("FP_TYPE_SHORTEST_PATH");
 		iFlowPath.setFlowPathFlagsForTest(0L);
 		iFlowPath.setSrcSwForTest("CA:FE");
 		iFlowPath.setSrcPortForTest((short)1);
@@ -38,6 +39,7 @@
 	@Test
 	public void testFlowPath(){
 		FlowPath flowPath = new FlowPath();
+		assertTrue ( flowPath.flowPathType() == FlowPathType.FP_TYPE_UNKNOWN);
 		assertFalse( flowPath.flowPathFlags().isDiscardFirstHopEntry() );
 		assertFalse( flowPath.flowPathFlags().isKeepOnlyFirstHopEntry() );
 		assertTrue( flowPath.flowEntryActions().isEmpty() );
@@ -48,6 +50,7 @@
 		TestFlowPath iFlowPath = new TestFlowPath();
 		iFlowPath.setFlowIdForTest("0x1234");
 		iFlowPath.setInstallerIdForTest("installerId");
+		iFlowPath.setFlowPathTypeForTest("FP_TYPE_SHORTEST_PATH");
 		iFlowPath.setFlowPathFlagsForTest(0L);
 		iFlowPath.setSrcSwForTest("CA:FE");
 		iFlowPath.setSrcPortForTest((short)1);
@@ -91,6 +94,7 @@
 		FlowPath flowPath = new FlowPath(iFlowPath);
 		assertEquals(flowPath.flowId().value(), 0x1234);
 		assertEquals(flowPath.installerId().value(), "installerId");
+		assertEquals(flowPath.flowPathType(), FlowPathType.FP_TYPE_SHORTEST_PATH);
 		assertEquals(flowPath.flowPathFlags().flags(), 0);
 		assertEquals(flowPath.dataPath().srcPort().dpid().value(), 0xCAFE);
 		assertEquals(flowPath.dataPath().srcPort().port().value(), 1);
@@ -134,6 +138,13 @@
 		assertEquals("FE_SWITCH_UPDATE_IN_PROGRESS", flowPath.dataPath().flowEntries().get(0).flowEntrySwitchState().toString());
 	}
 
+	@Test
+	public void testSetFlowPathType(){
+		FlowPath flowPath = new FlowPath();
+		FlowPathType type = FlowPathType.FP_TYPE_SHORTEST_PATH;
+		flowPath.setFlowPathType( type );
+		assertTrue( flowPath.flowPathType() == FlowPathType.FP_TYPE_SHORTEST_PATH );
+	}
 
 	@Test
 	public void testFlowPathFlags(){
@@ -166,7 +177,7 @@
 	@Test
 	public void testToString(){
 
-		assertEquals("[flowId=0x1234 installerId=installerId flowPathFlags=[flags=] dataPath=[src=00:00:00:00:00:00:ca:fe/1 flowEntry=[flowEntryId=0x14 flowEntryMatch=[] flowEntryActions=[[type=ACTION_OUTPUT action=[port=23 maxLen=24]];[type=ACTION_OUTPUT action=[port=25 maxLen=26]];] dpid=00:00:00:00:00:00:be:ef flowEntryUserState=FE_USER_MODIFY flowEntrySwitchState=FE_SWITCH_UPDATE_IN_PROGRESS] dst=00:00:00:00:00:00:ba:be/2] flowEntryMatch=[] flowEntryActions=[[type=ACTION_OUTPUT action=[port=10 maxLen=11]];[type=ACTION_OUTPUT action=[port=12 maxLen=13]];]]", flowPath.toString());
+		assertEquals("[flowId=0x1234 installerId=installerId flowPathType=FP_TYPE_SHORTEST_PATH flowPathFlags=[flags=] dataPath=[src=00:00:00:00:00:00:ca:fe/1 flowEntry=[flowEntryId=0x14 flowEntryMatch=[] flowEntryActions=[[type=ACTION_OUTPUT action=[port=23 maxLen=24]];[type=ACTION_OUTPUT action=[port=25 maxLen=26]];] dpid=00:00:00:00:00:00:be:ef flowEntryUserState=FE_USER_MODIFY flowEntrySwitchState=FE_SWITCH_UPDATE_IN_PROGRESS] dst=00:00:00:00:00:00:ba:be/2] flowEntryMatch=[] flowEntryActions=[[type=ACTION_OUTPUT action=[port=10 maxLen=11]];[type=ACTION_OUTPUT action=[port=12 maxLen=13]];]]", flowPath.toString());
 	}
 
 	@Test