[ONOS-5686] Re-naming and re-constructing virtual network classes

Changes.
1. Named *Service classes in the impementation package re-named as
   *Manager
2. VirtualTopologyProvider is renamed as DefaultVirtualNetworkProvider

Change-Id: Ic8663aee793d0b8f87ffea3df7f71c8ac77362ca
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceServiceTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java
similarity index 98%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceServiceTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java
index b682d05..41b3925 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceServiceTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkDeviceManagerTest.java
@@ -49,7 +49,7 @@
 /**
  * Junit tests for VirtualNetworkDeviceService.
  */
-public class VirtualNetworkDeviceServiceTest extends TestDeviceParams {
+public class VirtualNetworkDeviceManagerTest extends TestDeviceParams {
     private final String tenantIdValue1 = "TENANT_ID1";
 
     private VirtualNetworkManager manager;
@@ -61,9 +61,9 @@
     public void setUp() throws Exception {
         virtualNetworkManagerStore = new DistributedVirtualNetworkStore();
 
-        coreService = new VirtualNetworkDeviceServiceTest.TestCoreService();
+        coreService = new VirtualNetworkDeviceManagerTest.TestCoreService();
         virtualNetworkManagerStore.setCoreService(coreService);
-        TestUtils.setField(coreService, "coreService", new VirtualNetworkDeviceServiceTest.TestCoreService());
+        TestUtils.setField(coreService, "coreService", new VirtualNetworkDeviceManagerTest.TestCoreService());
         TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
         virtualNetworkManagerStore.activate();
 
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostServiceTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java
similarity index 98%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostServiceTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java
index fa21998..ca1a314 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostServiceTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkHostManagerTest.java
@@ -45,7 +45,7 @@
 /**
  * Junit tests for VirtualNetworkHostService.
  */
-public class VirtualNetworkHostServiceTest extends TestDeviceParams {
+public class VirtualNetworkHostManagerTest extends TestDeviceParams {
     private final String tenantIdValue1 = "TENANT_ID1";
 
     private VirtualNetworkManager manager;
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkIntentServiceTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkIntentManagerTest.java
similarity index 97%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkIntentServiceTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkIntentManagerTest.java
index 1e7625d..9bc3d84 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkIntentServiceTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkIntentManagerTest.java
@@ -77,7 +77,7 @@
 /**
  * Junit tests for VirtualNetworkIntentService.
  */
-public class VirtualNetworkIntentServiceTest extends TestDeviceParams {
+public class VirtualNetworkIntentManagerTest extends TestDeviceParams {
 
     private final String tenantIdValue1 = "TENANT_ID1";
     private static final ApplicationId APP_ID =
@@ -100,7 +100,7 @@
     private static DistributedVirtualNetworkStore virtualNetworkManagerStore;
     private CoreService coreService;
     private TestableIntentService intentService = new FakeIntentManager();
-    private VirtualNetworkIntentService vnetIntentService;
+    private VirtualNetworkIntentManager vnetIntentService;
     private TestIntentCompiler compiler = new TestIntentCompiler();
     private IntentExtensionService intentExtensionService;
     private WorkPartitionService workPartitionService;
@@ -117,13 +117,13 @@
     public void setUp() throws Exception {
         virtualNetworkManagerStore = new DistributedVirtualNetworkStore();
 
-        coreService = new VirtualNetworkIntentServiceTest.TestCoreService();
+        coreService = new VirtualNetworkIntentManagerTest.TestCoreService();
 
         Intent.unbindIdGenerator(idGenerator);
         Intent.bindIdGenerator(idGenerator);
 
         virtualNetworkManagerStore.setCoreService(coreService);
-        TestUtils.setField(coreService, "coreService", new VirtualNetworkIntentServiceTest.TestCoreService());
+        TestUtils.setField(coreService, "coreService", new VirtualNetworkIntentManagerTest.TestCoreService());
         TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
         virtualNetworkManagerStore.activate();
 
@@ -212,7 +212,7 @@
         link4 = manager.createVirtualLink(virtualNetwork.id(), cp5, cp4);
         virtualNetworkManagerStore.updateLink(link4, link4.tunnelId(), Link.State.ACTIVE);
 
-        vnetIntentService = new VirtualNetworkIntentService(manager, virtualNetwork, testDirectory);
+        vnetIntentService = new VirtualNetworkIntentManager(manager, virtualNetwork, testDirectory);
         vnetIntentService.intentService = intentService;
         vnetIntentService.store = virtualNetworkManagerStore;
         vnetIntentService.partitionService = workPartitionService;
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkServiceTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java
similarity index 98%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkServiceTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java
index 53b21d7..7615fe7 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkServiceTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkLinkManagerTest.java
@@ -49,7 +49,7 @@
 /**
  * Junit tests for VirtualNetworkLinkService.
  */
-public class VirtualNetworkLinkServiceTest extends TestDeviceParams {
+public class VirtualNetworkLinkManagerTest extends TestDeviceParams {
 
     private final String tenantIdValue1 = "TENANT_ID1";
 
@@ -62,9 +62,9 @@
     public void setUp() throws Exception {
         virtualNetworkManagerStore = new DistributedVirtualNetworkStore();
 
-        coreService = new VirtualNetworkLinkServiceTest.TestCoreService();
+        coreService = new VirtualNetworkLinkManagerTest.TestCoreService();
         virtualNetworkManagerStore.setCoreService(coreService);
-        TestUtils.setField(coreService, "coreService", new VirtualNetworkLinkServiceTest.TestCoreService());
+        TestUtils.setField(coreService, "coreService", new VirtualNetworkLinkManagerTest.TestCoreService());
         TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
         virtualNetworkManagerStore.activate();
 
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
index 81fbdf5..dafd1f7 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkManagerTest.java
@@ -40,6 +40,7 @@
 import org.onosproject.incubator.net.virtual.VirtualNetworkListener;
 import org.onosproject.incubator.net.virtual.VirtualNetworkProviderService;
 import org.onosproject.incubator.net.virtual.VirtualPort;
+import org.onosproject.incubator.net.virtual.impl.provider.DefaultVirtualNetworkProvider;
 import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.DeviceId;
@@ -74,7 +75,7 @@
     private final String tenantIdValue2 = "TENANT_ID2";
 
     private VirtualNetworkManager manager;
-    private VirtualNetworkTopologyProvider topologyProvider;
+    private DefaultVirtualNetworkProvider topologyProvider;
     private DistributedVirtualNetworkStore virtualNetworkManagerStore;
     private CoreService coreService;
     private TestListener listener = new TestListener();
@@ -93,7 +94,8 @@
         coreService = new TestCoreService();
         virtualNetworkManagerStore.setCoreService(coreService);
         TestUtils.setField(coreService, "coreService", new TestCoreService());
-        TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
+        TestUtils.setField(virtualNetworkManagerStore, "storageService",
+                           new TestStorageService());
         virtualNetworkManagerStore.activate();
 
         manager = new VirtualNetworkManager();
@@ -138,8 +140,10 @@
         assertTrue("The tenantId set should be empty.", tenantIdCollection.isEmpty());
 
         // Validate that the events were all received in the correct order.
-        validateEvents(VirtualNetworkEvent.Type.TENANT_UNREGISTERED, VirtualNetworkEvent.Type.TENANT_REGISTERED,
-                       VirtualNetworkEvent.Type.TENANT_REGISTERED, VirtualNetworkEvent.Type.TENANT_UNREGISTERED,
+        validateEvents(VirtualNetworkEvent.Type.TENANT_UNREGISTERED,
+                       VirtualNetworkEvent.Type.TENANT_REGISTERED,
+                       VirtualNetworkEvent.Type.TENANT_REGISTERED,
+                       VirtualNetworkEvent.Type.TENANT_UNREGISTERED,
                        VirtualNetworkEvent.Type.TENANT_UNREGISTERED);
     }
 
@@ -184,9 +188,12 @@
         assertTrue("The virtual network set should be empty.", virtualNetworks.isEmpty());
 
         // Validate that the events were all received in the correct order.
-        validateEvents(VirtualNetworkEvent.Type.TENANT_REGISTERED, VirtualNetworkEvent.Type.NETWORK_ADDED,
-                       VirtualNetworkEvent.Type.NETWORK_ADDED, VirtualNetworkEvent.Type.NETWORK_REMOVED,
-                       VirtualNetworkEvent.Type.NETWORK_REMOVED, VirtualNetworkEvent.Type.NETWORK_ADDED,
+        validateEvents(VirtualNetworkEvent.Type.TENANT_REGISTERED,
+                       VirtualNetworkEvent.Type.NETWORK_ADDED,
+                       VirtualNetworkEvent.Type.NETWORK_ADDED,
+                       VirtualNetworkEvent.Type.NETWORK_REMOVED,
+                       VirtualNetworkEvent.Type.NETWORK_REMOVED,
+                       VirtualNetworkEvent.Type.NETWORK_ADDED,
                        VirtualNetworkEvent.Type.NETWORK_REMOVED);
     }
 
@@ -207,7 +214,9 @@
     @Test(expected = IllegalStateException.class)
     public void testCreateVirtualDeviceWithNoNetwork() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork = new DefaultVirtualNetwork(NetworkId.NONE, TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork =
+                new DefaultVirtualNetwork(NetworkId.NONE,
+                                          TenantId.tenantId(tenantIdValue1));
 
         manager.createVirtualDevice(virtualNetwork.id(), DID1);
     }
@@ -218,8 +227,10 @@
     @Test
     public void testAddRemoveVirtualDevice() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork1 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork2 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork1 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork2 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
         manager.createVirtualDevice(virtualNetwork1.id(), DID1);
         manager.createVirtualDevice(virtualNetwork2.id(), DID2);
 
@@ -246,7 +257,8 @@
         assertTrue("The virtual device set should be empty.", virtualDevices1.isEmpty());
 
         // Validate that the events were all received in the correct order.
-        validateEvents(VirtualNetworkEvent.Type.TENANT_REGISTERED, VirtualNetworkEvent.Type.NETWORK_ADDED,
+        validateEvents(VirtualNetworkEvent.Type.TENANT_REGISTERED,
+                       VirtualNetworkEvent.Type.NETWORK_ADDED,
                        VirtualNetworkEvent.Type.NETWORK_ADDED);
     }
 
@@ -256,7 +268,8 @@
     @Test(expected = NullPointerException.class)
     public void testCreateNullVirtualHost() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
 
         manager.createVirtualHost(virtualNetwork.id(), null, null, null, null, null);
     }
@@ -267,7 +280,8 @@
     @Test(expected = IllegalStateException.class)
     public void testCreateVirtualHostWithNoNetwork() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork = new DefaultVirtualNetwork(NetworkId.NONE, TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork =
+                new DefaultVirtualNetwork(NetworkId.NONE, TenantId.tenantId(tenantIdValue1));
 
         manager.createVirtualHost(virtualNetwork.id(), HID1, null, null, null, null);
     }
@@ -278,8 +292,10 @@
     @Test
     public void testAddRemoveVirtualHost() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork1 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork2 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork1 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork2 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
         manager.createVirtualHost(virtualNetwork1.id(), HID1, MAC1, VLAN1, LOC1, IPSET1);
         manager.createVirtualHost(virtualNetwork2.id(), HID2, MAC2, VLAN2, LOC2, IPSET2);
 
@@ -300,7 +316,9 @@
         assertTrue("The virtual host set should be empty.", virtualHosts1.isEmpty());
 
         // Add/remove the virtual host again.
-        VirtualHost virtualHost = manager.createVirtualHost(virtualNetwork1.id(), HID1, MAC1, VLAN1, LOC1, IPSET1);
+        VirtualHost virtualHost =
+                manager.createVirtualHost(virtualNetwork1.id(),
+                                          HID1, MAC1, VLAN1, LOC1, IPSET1);
         manager.removeVirtualHost(virtualHost.networkId(), virtualHost.id());
         virtualHosts1 = manager.getVirtualHosts(virtualNetwork1.id());
         assertTrue("The virtual host set should be empty.", virtualHosts1.isEmpty());
@@ -312,7 +330,8 @@
     @Test
     public void testAddRemoveVirtualLink() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork1 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork1 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
         VirtualDevice srcVirtualDevice =
                 manager.createVirtualDevice(virtualNetwork1.id(), DID1);
         VirtualDevice dstVirtualDevice =
@@ -353,7 +372,8 @@
     @Test(expected = IllegalStateException.class)
     public void testAddSameVirtualLink() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork1 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork1 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
         VirtualDevice srcVirtualDevice =
                 manager.createVirtualDevice(virtualNetwork1.id(), DID1);
         VirtualDevice dstVirtualDevice =
@@ -376,13 +396,16 @@
     @Test
     public void testAddRemoveVirtualPort() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork1 = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork1 =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
         VirtualDevice virtualDevice =
                 manager.createVirtualDevice(virtualNetwork1.id(), DID1);
         ConnectPoint cp = new ConnectPoint(virtualDevice.id(), PortNumber.portNumber(1));
 
-        manager.createVirtualPort(virtualNetwork1.id(), virtualDevice.id(), PortNumber.portNumber(1), cp);
-        manager.createVirtualPort(virtualNetwork1.id(), virtualDevice.id(), PortNumber.portNumber(2), cp);
+        manager.createVirtualPort(virtualNetwork1.id(),
+                                  virtualDevice.id(), PortNumber.portNumber(1), cp);
+        manager.createVirtualPort(virtualNetwork1.id(),
+                                  virtualDevice.id(), PortNumber.portNumber(2), cp);
 
         Set<VirtualPort> virtualPorts = manager.getVirtualPorts(virtualNetwork1.id(), virtualDevice.id());
         assertNotNull("The virtual port set should not be null", virtualPorts);
@@ -399,9 +422,11 @@
         assertTrue("The virtual port set should be empty.", virtualPorts.isEmpty());
 
         // Add/remove the virtual port again.
-        VirtualPort virtualPort = manager.createVirtualPort(virtualNetwork1.id(), virtualDevice.id(),
+        VirtualPort virtualPort =
+                manager.createVirtualPort(virtualNetwork1.id(), virtualDevice.id(),
                                                             PortNumber.portNumber(1), cp);
-        manager.removeVirtualPort(virtualNetwork1.id(), (DeviceId) virtualPort.element().id(), virtualPort.number());
+        manager.removeVirtualPort(virtualNetwork1.id(),
+                                  (DeviceId) virtualPort.element().id(), virtualPort.number());
         virtualPorts = manager.getVirtualPorts(virtualNetwork1.id(), virtualDevice.id());
         assertTrue("The virtual port set should be empty.", virtualPorts.isEmpty());
     }
@@ -428,7 +453,8 @@
     @Test
     public void testAddOrUpdateIntent() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
         ConnectPoint cp1 = new ConnectPoint(DID1, P1);
         ConnectPoint cp2 = new ConnectPoint(DID2, P1);
 
@@ -442,13 +468,17 @@
 
         // Add the intent to the store.
         manager.store.addOrUpdateIntent(virtualIntent, IntentState.INSTALL_REQ);
-        assertEquals("The intent size should match.", 1, manager.store.getIntents().size());
-        assertNotNull("The intent should not be null.", manager.store.getIntent(virtualIntent.key()));
+        assertEquals("The intent size should match.", 1,
+                     manager.store.getIntents().size());
+        assertNotNull("The intent should not be null.",
+                      manager.store.getIntent(virtualIntent.key()));
 
         // remove the intent from the store.
         manager.store.removeIntent(virtualIntent.key());
-        assertTrue("The intents should be empty.", manager.store.getIntents().isEmpty());
-        assertNull("The intent should be null.", manager.store.getIntent(virtualIntent.key()));
+        assertTrue("The intents should be empty.",
+                   manager.store.getIntents().isEmpty());
+        assertNull("The intent should be null.",
+                   manager.store.getIntent(virtualIntent.key()));
     }
 
     /**
@@ -488,11 +518,13 @@
         TunnelId tunnelId = TunnelId.valueOf("virtual tunnel");
         // Add the intent to tunnelID mapping to the store.
         manager.store.addTunnelId(virtualIntent, tunnelId);
-        assertEquals("The tunnels size should match.", 1, manager.store.getTunnelIds(virtualIntent).size());
+        assertEquals("The tunnels size should match.", 1,
+                     manager.store.getTunnelIds(virtualIntent).size());
 
         // Remove the intent to tunnelID mapping from the store.
         manager.store.removeTunnelId(virtualIntent, tunnelId);
-        assertTrue("The tunnels should be empty.", manager.store.getTunnelIds(virtualIntent).isEmpty());
+        assertTrue("The tunnels should be empty.",
+                   manager.store.getTunnelIds(virtualIntent).isEmpty());
     }
 
 
@@ -501,7 +533,8 @@
      **/
     private VirtualNetwork setupVirtualNetworkTopology() {
         manager.registerTenantId(TenantId.tenantId(tenantIdValue1));
-        VirtualNetwork virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
+        VirtualNetwork virtualNetwork =
+                manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
 
         VirtualDevice virtualDevice1 =
                 manager.createVirtualDevice(virtualNetwork.id(), DID1);
@@ -564,8 +597,13 @@
         virtualNetworkManagerStore.updateLink(link6, link6.tunnelId(), Link.State.ACTIVE);
 
         topologyService = manager.get(virtualNetwork.id(), TopologyService.class);
-        topologyProvider = new VirtualNetworkTopologyProvider();
-        topologyProvider.topologyService = topologyService;
+        topologyProvider = new DefaultVirtualNetworkProvider();
+        try {
+            TestUtils.setField(topologyProvider, "topologyService", topologyService);
+        } catch (TestUtils.TestUtilsException e) {
+            e.printStackTrace();
+        }
+//        topologyProvider.topologyService = topologyService;
 
         return virtualNetwork;
     }
@@ -576,10 +614,12 @@
     @Test
     public void testTopologyChanged() {
         VirtualNetwork virtualNetwork = setupVirtualNetworkTopology();
-        VirtualNetworkProviderService providerService = manager.createProviderService(topologyProvider);
+        VirtualNetworkProviderService providerService =
+                manager.createProviderService(topologyProvider);
 
         // Initial setup is two clusters of devices/links.
-        assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount());
+        assertEquals("The cluster count did not match.", 2,
+                     topologyService.currentTopology().clusterCount());
 
         // Adding this link will join the two clusters together.
         List<Event> reasons = new ArrayList<>();
@@ -593,7 +633,8 @@
 
         // Validate that all links are still active.
         manager.getVirtualLinks(virtualNetwork.id()).forEach(virtualLink -> {
-            assertTrue("The virtual link should be active.", virtualLink.state().equals(Link.State.ACTIVE));
+            assertTrue("The virtual link should be active.",
+                       virtualLink.state().equals(Link.State.ACTIVE));
         });
 
         virtualNetworkManagerStore.updateLink(link, link.tunnelId(), Link.State.INACTIVE);
@@ -602,7 +643,8 @@
 
         // Validate that all links are active again.
         manager.getVirtualLinks(virtualNetwork.id()).forEach(virtualLink -> {
-            assertTrue("The virtual link should be active.", virtualLink.state().equals(Link.State.ACTIVE));
+            assertTrue("The virtual link should be active.",
+                       virtualLink.state().equals(Link.State.ACTIVE));
         });
     }
 
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathServiceTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java
similarity index 98%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathServiceTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java
index 9a1faf7..0a8ecf6 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathServiceTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkPathManagerTest.java
@@ -49,7 +49,7 @@
 /**
  * Junit tests for VirtualNetworkPathService.
  */
-public class VirtualNetworkPathServiceTest extends TestDeviceParams {
+public class VirtualNetworkPathManagerTest extends TestDeviceParams {
     private final String tenantIdValue1 = "TENANT_ID1";
 
     private VirtualNetworkManager manager;
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyServiceTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java
similarity index 98%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyServiceTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java
index 35ed039..1072f2a 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyServiceTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyManagerTest.java
@@ -57,7 +57,7 @@
 /**
  * Junit tests for VirtualNetworkTopologyService.
  */
-public class VirtualNetworkTopologyServiceTest extends TestDeviceParams {
+public class VirtualNetworkTopologyManagerTest extends TestDeviceParams {
 
     private final String tenantIdValue1 = "TENANT_ID1";
 
@@ -70,9 +70,9 @@
     public void setUp() throws Exception {
         virtualNetworkManagerStore = new DistributedVirtualNetworkStore();
 
-        coreService = new VirtualNetworkTopologyServiceTest.TestCoreService();
+        coreService = new VirtualNetworkTopologyManagerTest.TestCoreService();
         virtualNetworkManagerStore.setCoreService(coreService);
-        TestUtils.setField(coreService, "coreService", new VirtualNetworkTopologyServiceTest.TestCoreService());
+        TestUtils.setField(coreService, "coreService", new VirtualNetworkTopologyManagerTest.TestCoreService());
         TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
         virtualNetworkManagerStore.activate();
 
diff --git a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyProviderTest.java b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java
similarity index 91%
rename from incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyProviderTest.java
rename to incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java
index d95aaf2..882aef5 100644
--- a/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/VirtualNetworkTopologyProviderTest.java
+++ b/incubator/net/src/test/java/org/onosproject/incubator/net/virtual/impl/provider/VirtualNetworkTopologyProviderTest.java
@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-package org.onosproject.incubator.net.virtual.impl;
+package org.onosproject.incubator.net.virtual.impl.provider;
 
 import org.junit.After;
 import org.junit.Before;
@@ -34,6 +34,7 @@
 import org.onosproject.incubator.net.virtual.VirtualNetworkProvider;
 import org.onosproject.incubator.net.virtual.VirtualNetworkProviderRegistry;
 import org.onosproject.incubator.net.virtual.VirtualNetworkProviderService;
+import org.onosproject.incubator.net.virtual.impl.VirtualNetworkManager;
 import org.onosproject.incubator.store.virtual.impl.DistributedVirtualNetworkStore;
 import org.onosproject.net.ConnectPoint;
 import org.onosproject.net.Link;
@@ -84,7 +85,7 @@
     private VirtualNetworkManager manager;
     private DistributedVirtualNetworkStore virtualNetworkManagerStore;
     private CoreService coreService;
-    private VirtualNetworkTopologyProvider topologyProvider;
+    private DefaultVirtualNetworkProvider topologyProvider;
     private TopologyService topologyService;
     private TestableIntentService intentService = new FakeIntentManager();
     private final VirtualNetworkRegistryAdapter virtualNetworkRegistry = new VirtualNetworkRegistryAdapter();
@@ -102,14 +103,14 @@
 
         coreService = new VirtualNetworkTopologyProviderTest.TestCoreService();
 
-        virtualNetworkManagerStore.setCoreService(coreService);
-        TestUtils.setField(coreService, "coreService", new VirtualNetworkTopologyProviderTest.TestCoreService());
-        TestUtils.setField(virtualNetworkManagerStore, "storageService", new TestStorageService());
+        TestUtils.setField(virtualNetworkManagerStore, "coreService", coreService);
+        TestUtils.setField(virtualNetworkManagerStore, "storageService",
+                           new TestStorageService());
         virtualNetworkManagerStore.activate();
 
         manager = new VirtualNetworkManager();
-        manager.store = virtualNetworkManagerStore;
-        manager.intentService = intentService;
+        TestUtils.setField(manager, "store", virtualNetworkManagerStore);
+        TestUtils.setField(manager, "intentService", intentService);
         NetTestTools.injectEventDispatcher(manager, new TestEventDispatcher());
         manager.activate();
 
@@ -117,7 +118,7 @@
         virtualNetwork = manager.createVirtualNetwork(TenantId.tenantId(tenantIdValue1));
 
         topologyService = manager.get(virtualNetwork.id(), TopologyService.class);
-        topologyProvider = new VirtualNetworkTopologyProvider();
+        topologyProvider = new DefaultVirtualNetworkProvider();
         topologyProvider.topologyService = topologyService;
         topologyProvider.providerRegistry = virtualNetworkRegistry;
         topologyProvider.activate();
@@ -232,8 +233,9 @@
                    topologyProvider.isTraversable(new ConnectPoint(cp1.elementId(), cp1.port()),
                                                   new ConnectPoint(cp5.elementId(), cp5.port())));
         assertFalse("These two connect points should not be traversable.",
-                    topologyProvider.isTraversable(new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1)),
-                                                   new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(6))));
+                    topologyProvider.isTraversable(
+                            new ConnectPoint(virtualDevice1.id(), PortNumber.portNumber(1)),
+                            new ConnectPoint(virtualDevice4.id(), PortNumber.portNumber(6))));
     }
 
     /**
@@ -242,7 +244,8 @@
     @Test
     public void testTopologyChanged() {
         // Initial setup is two clusters of devices/links.
-        assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount());
+        assertEquals("The cluster count did not match.", 2,
+                     topologyService.currentTopology().clusterCount());
 
         // Adding this link will join the two clusters together.
         List<Event> reasons = new ArrayList<>();
@@ -272,12 +275,14 @@
         // Validate that the topology changed method received a single cluster of connect points.
         // This means that the two previous clusters have now joined into a single cluster.
         assertEquals("The cluster count did not match.", 1, this.clusters.size());
-        assertEquals("The cluster count did not match.", 1, topologyService.currentTopology().clusterCount());
+        assertEquals("The cluster count did not match.", 1,
+                     topologyService.currentTopology().clusterCount());
 
         // Now remove the virtual link to split it back into two clusters.
         manager.removeVirtualLink(virtualNetwork.id(), link.src(), link.dst());
         manager.removeVirtualLink(virtualNetwork.id(), link2.src(), link2.dst());
-        assertEquals("The cluster count did not match.", 2, topologyService.currentTopology().clusterCount());
+        assertEquals("The cluster count did not match.", 2,
+                     topologyService.currentTopology().clusterCount());
 
         reasons = new ArrayList<>();
         reasons.add(new LinkEvent(LinkEvent.Type.LINK_REMOVED, link));
@@ -350,11 +355,13 @@
         }
 
         @Override
-        public void tunnelUp(NetworkId networkId, ConnectPoint src, ConnectPoint dst, TunnelId tunnelId) {
+        public void tunnelUp(NetworkId networkId, ConnectPoint src,
+                             ConnectPoint dst, TunnelId tunnelId) {
         }
 
         @Override
-        public void tunnelDown(NetworkId networkId, ConnectPoint src, ConnectPoint dst, TunnelId tunnelId) {
+        public void tunnelDown(NetworkId networkId, ConnectPoint src,
+                               ConnectPoint dst, TunnelId tunnelId) {
         }
     }