Fix checkstyle whitespace issues - WHITESPACE ONLY

Change-Id: Ic205c1afd639c6008d61d9de95cb764eeb6238ca
diff --git a/src/test/java/net/onrc/onos/core/datastore/topology/KVTopologyTest.java b/src/test/java/net/onrc/onos/core/datastore/topology/KVTopologyTest.java
index 2de84e5..d9c2478 100644
--- a/src/test/java/net/onrc/onos/core/datastore/topology/KVTopologyTest.java
+++ b/src/test/java/net/onrc/onos/core/datastore/topology/KVTopologyTest.java
@@ -36,7 +36,7 @@
 
     static final long VERSION_NONEXISTENT = DataStoreClient.getClient().VERSION_NONEXISTENT();
 
-    private static final byte[] DEVICE2_MAC_SW2P2 = new byte[] { 6, 5, 4, 3, 2, 1, 0 };
+    private static final byte[] DEVICE2_MAC_SW2P2 = new byte[]{6, 5, 4, 3, 2, 1, 0};
 
     private static final Long SW2_PORTNO2 = 2L;
 
@@ -44,7 +44,7 @@
 
     private static final Long DPID2 = 0x2L;
 
-    private static final byte[] DEVICE1_MAC_SW1P1 = new byte[] { 0, 1, 2, 3, 4, 5, 6 };
+    private static final byte[] DEVICE1_MAC_SW1P1 = new byte[]{0, 1, 2, 3, 4, 5, 6};
 
     private static final Long SW1_PORTNO2 = 2L;
 
@@ -55,377 +55,377 @@
     @Before
     @After
     public void wipeTopology() throws Exception {
-	IKVTable switchTable = DataStoreClient.getClient().getTable(KVSwitch.GLOBAL_SWITCH_TABLE_NAME);
-	DataStoreClient.getClient().dropTable(switchTable);
+        IKVTable switchTable = DataStoreClient.getClient().getTable(KVSwitch.GLOBAL_SWITCH_TABLE_NAME);
+        DataStoreClient.getClient().dropTable(switchTable);
 
-	IKVTable portTable = DataStoreClient.getClient().getTable(KVPort.GLOBAL_PORT_TABLE_NAME);
-	DataStoreClient.getClient().dropTable(portTable);
+        IKVTable portTable = DataStoreClient.getClient().getTable(KVPort.GLOBAL_PORT_TABLE_NAME);
+        DataStoreClient.getClient().dropTable(portTable);
 
-	IKVTable linkTable = DataStoreClient.getClient().getTable(KVLink.GLOBAL_LINK_TABLE_NAME);
-	DataStoreClient.getClient().dropTable(linkTable);
+        IKVTable linkTable = DataStoreClient.getClient().getTable(KVLink.GLOBAL_LINK_TABLE_NAME);
+        DataStoreClient.getClient().dropTable(linkTable);
 
-	IKVTable deviceTable = DataStoreClient.getClient().getTable(KVDevice.GLOBAL_DEVICE_TABLE_NAME);
-	DataStoreClient.getClient().dropTable(deviceTable);
+        IKVTable deviceTable = DataStoreClient.getClient().getTable(KVDevice.GLOBAL_DEVICE_TABLE_NAME);
+        DataStoreClient.getClient().dropTable(deviceTable);
     }
 
     @Test
     public void basic_switch_test() {
-	// create switch 0x1
-	try {
-	    KVSwitch sw = new KVSwitch(DPID1);
-	    sw.setStatus(KVSwitch.STATUS.ACTIVE);
-	    sw.create();
-	    assertNotEquals(VERSION_NONEXISTENT, sw.getVersion());
-	    assertEquals(DPID1, sw.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw.getStatus());
-	} catch (ObjectExistsException e) {
-	    e.printStackTrace();
-	    fail("Create Switch Failed " + e);
-	}
+        // create switch 0x1
+        try {
+            KVSwitch sw = new KVSwitch(DPID1);
+            sw.setStatus(KVSwitch.STATUS.ACTIVE);
+            sw.create();
+            assertNotEquals(VERSION_NONEXISTENT, sw.getVersion());
+            assertEquals(DPID1, sw.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw.getStatus());
+        } catch (ObjectExistsException e) {
+            e.printStackTrace();
+            fail("Create Switch Failed " + e);
+        }
 
-	// read switch 0x1
-	KVSwitch swRead = new KVSwitch(DPID1);
-	try {
-	    swRead.read();
-	    assertNotEquals(VERSION_NONEXISTENT, swRead.getVersion());
-	    assertEquals(DPID1, swRead.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, swRead.getStatus());
-	} catch (ObjectDoesntExistException e) {
-	    e.printStackTrace();
-	    fail("Reading Switch Failed " + e);
-	}
+        // read switch 0x1
+        KVSwitch swRead = new KVSwitch(DPID1);
+        try {
+            swRead.read();
+            assertNotEquals(VERSION_NONEXISTENT, swRead.getVersion());
+            assertEquals(DPID1, swRead.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, swRead.getStatus());
+        } catch (ObjectDoesntExistException e) {
+            e.printStackTrace();
+            fail("Reading Switch Failed " + e);
+        }
 
-	// and update 0x1
-	swRead.setStatus(KVSwitch.STATUS.INACTIVE);
-	try {
-	    swRead.update();
-	    assertNotEquals(VERSION_NONEXISTENT, swRead.getVersion());
-	    assertEquals(DPID1, swRead.getDpid());
-	    assertEquals(KVSwitch.STATUS.INACTIVE, swRead.getStatus());
-	} catch (ObjectDoesntExistException | WrongVersionException e) {
-	    e.printStackTrace();
-	    fail("Updating Switch Failed " + e);
-	}
+        // and update 0x1
+        swRead.setStatus(KVSwitch.STATUS.INACTIVE);
+        try {
+            swRead.update();
+            assertNotEquals(VERSION_NONEXISTENT, swRead.getVersion());
+            assertEquals(DPID1, swRead.getDpid());
+            assertEquals(KVSwitch.STATUS.INACTIVE, swRead.getStatus());
+        } catch (ObjectDoesntExistException | WrongVersionException e) {
+            e.printStackTrace();
+            fail("Updating Switch Failed " + e);
+        }
 
-	// read 0x1 again and delete
-	KVSwitch swRead2 = new KVSwitch(DPID1);
-	try {
-	    swRead2.read();
-	    assertNotEquals(VERSION_NONEXISTENT, swRead2.getVersion());
-	    assertEquals(DPID1, swRead2.getDpid());
-	    assertEquals(KVSwitch.STATUS.INACTIVE, swRead2.getStatus());
-	} catch (ObjectDoesntExistException e) {
-	    e.printStackTrace();
-	    fail("Reading Switch Again Failed " + e);
-	}
+        // read 0x1 again and delete
+        KVSwitch swRead2 = new KVSwitch(DPID1);
+        try {
+            swRead2.read();
+            assertNotEquals(VERSION_NONEXISTENT, swRead2.getVersion());
+            assertEquals(DPID1, swRead2.getDpid());
+            assertEquals(KVSwitch.STATUS.INACTIVE, swRead2.getStatus());
+        } catch (ObjectDoesntExistException e) {
+            e.printStackTrace();
+            fail("Reading Switch Again Failed " + e);
+        }
 
-	try {
-	    swRead2.delete();
-	    assertNotEquals(VERSION_NONEXISTENT, swRead2.getVersion());
-	} catch (ObjectDoesntExistException | WrongVersionException e) {
-	    e.printStackTrace();
-	    fail("Deleting Switch Failed " + e);
-	}
+        try {
+            swRead2.delete();
+            assertNotEquals(VERSION_NONEXISTENT, swRead2.getVersion());
+        } catch (ObjectDoesntExistException | WrongVersionException e) {
+            e.printStackTrace();
+            fail("Deleting Switch Failed " + e);
+        }
 
-	// make sure 0x1 is deleted
-	KVObject swRead3 = new KVSwitch(DPID1);
-	try {
-	    swRead3.read();
-	    fail(swRead3 + " was supposed to be deleted, but read succeed");
-	} catch (ObjectDoesntExistException e) {
-	    System.out.println("-- " + swRead3 + " not found as expected--");
-	    e.printStackTrace(System.out);
-	    System.out.println("---------------------------------------");
-	}
+        // make sure 0x1 is deleted
+        KVObject swRead3 = new KVSwitch(DPID1);
+        try {
+            swRead3.read();
+            fail(swRead3 + " was supposed to be deleted, but read succeed");
+        } catch (ObjectDoesntExistException e) {
+            System.out.println("-- " + swRead3 + " not found as expected--");
+            e.printStackTrace(System.out);
+            System.out.println("---------------------------------------");
+        }
     }
 
     @Test
     public void topology_setup_and_tear_down() {
-	topology_setup();
-	topology_walk();
-	topology_delete();
+        topology_setup();
+        topology_walk();
+        topology_delete();
     }
 
     private static void topology_setup() {
 
-	// d1 - s1p1 - s1 - s1p2 - s2p1 - s2 - s2p2
+        // d1 - s1p1 - s1 - s1p2 - s2p1 - s2 - s2p2
 
-	KVSwitch sw1 = new KVSwitch(DPID1);
-	sw1.setStatus(KVSwitch.STATUS.ACTIVE);
-	try {
-	    sw1.create();
-	    assertNotEquals(VERSION_NONEXISTENT, sw1.getVersion());
-	    assertEquals(DPID1, sw1.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw1.getStatus());
-	} catch (ObjectExistsException e) {
-	    e.printStackTrace();
-	    fail("Switch creation failed " + e);
-	}
+        KVSwitch sw1 = new KVSwitch(DPID1);
+        sw1.setStatus(KVSwitch.STATUS.ACTIVE);
+        try {
+            sw1.create();
+            assertNotEquals(VERSION_NONEXISTENT, sw1.getVersion());
+            assertEquals(DPID1, sw1.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw1.getStatus());
+        } catch (ObjectExistsException e) {
+            e.printStackTrace();
+            fail("Switch creation failed " + e);
+        }
 
-	KVPort sw1p1 = new KVPort(DPID1, SW1_PORTNO1);
-	sw1p1.setStatus(KVPort.STATUS.ACTIVE);
-	KVPort sw1p2 = new KVPort(DPID1, SW1_PORTNO2);
-	sw1p2.setStatus(KVPort.STATUS.ACTIVE);
-	try {
-	    sw1p1.create();
-	    assertNotEquals(VERSION_NONEXISTENT, sw1p1.getVersion());
-	    assertEquals(DPID1, sw1p1.getDpid());
-	    assertEquals(SW1_PORTNO1, sw1p1.getNumber());
-	    assertEquals(KVPort.STATUS.ACTIVE, sw1p1.getStatus());
+        KVPort sw1p1 = new KVPort(DPID1, SW1_PORTNO1);
+        sw1p1.setStatus(KVPort.STATUS.ACTIVE);
+        KVPort sw1p2 = new KVPort(DPID1, SW1_PORTNO2);
+        sw1p2.setStatus(KVPort.STATUS.ACTIVE);
+        try {
+            sw1p1.create();
+            assertNotEquals(VERSION_NONEXISTENT, sw1p1.getVersion());
+            assertEquals(DPID1, sw1p1.getDpid());
+            assertEquals(SW1_PORTNO1, sw1p1.getNumber());
+            assertEquals(KVPort.STATUS.ACTIVE, sw1p1.getStatus());
 
-	    sw1p2.create();
-	    assertNotEquals(VERSION_NONEXISTENT, sw1p2.getVersion());
-	    assertEquals(DPID1, sw1p2.getDpid());
-	    assertEquals(SW1_PORTNO2, sw1p2.getNumber());
-	    assertEquals(KVPort.STATUS.ACTIVE, sw1p2.getStatus());
-	} catch (ObjectExistsException e) {
-	    e.printStackTrace();
-	    fail("Port creation failed " + e);
-	}
+            sw1p2.create();
+            assertNotEquals(VERSION_NONEXISTENT, sw1p2.getVersion());
+            assertEquals(DPID1, sw1p2.getDpid());
+            assertEquals(SW1_PORTNO2, sw1p2.getNumber());
+            assertEquals(KVPort.STATUS.ACTIVE, sw1p2.getStatus());
+        } catch (ObjectExistsException e) {
+            e.printStackTrace();
+            fail("Port creation failed " + e);
+        }
 
-	try {
-	    sw1.update();
-	    assertNotEquals(VERSION_NONEXISTENT, sw1.getVersion());
-	    assertEquals(DPID1, sw1.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw1.getStatus());
-	} catch (ObjectDoesntExistException | WrongVersionException e) {
-	    e.printStackTrace();
-	    fail("Switch update failed " + e);
-	}
+        try {
+            sw1.update();
+            assertNotEquals(VERSION_NONEXISTENT, sw1.getVersion());
+            assertEquals(DPID1, sw1.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw1.getStatus());
+        } catch (ObjectDoesntExistException | WrongVersionException e) {
+            e.printStackTrace();
+            fail("Switch update failed " + e);
+        }
 
-	KVDevice d1 = new KVDevice(DEVICE1_MAC_SW1P1);
-	d1.addPortId(sw1p1.getId());
+        KVDevice d1 = new KVDevice(DEVICE1_MAC_SW1P1);
+        d1.addPortId(sw1p1.getId());
 
-	try {
-	    d1.create();
-	    assertNotEquals(VERSION_NONEXISTENT, d1.getVersion());
-	    assertEquals(1, d1.getAllPortIds().size());
-	    assertArrayEquals(sw1p1.getId(), d1.getAllPortIds().iterator().next());
+        try {
+            d1.create();
+            assertNotEquals(VERSION_NONEXISTENT, d1.getVersion());
+            assertEquals(1, d1.getAllPortIds().size());
+            assertArrayEquals(sw1p1.getId(), d1.getAllPortIds().iterator().next());
 
-	    try {
-		sw1p1.update();
-		assertNotEquals(VERSION_NONEXISTENT, sw1p1.getVersion());
-		assertEquals(DPID1, sw1p1.getDpid());
-		assertEquals(SW1_PORTNO1, sw1p1.getNumber());
-		assertEquals(KVPort.STATUS.ACTIVE, sw1p1.getStatus());
-	    } catch (ObjectDoesntExistException | WrongVersionException e) {
-		e.printStackTrace();
-		fail("Link update failed " + e);
-	    }
-	} catch (ObjectExistsException e) {
-	    e.printStackTrace();
-	    fail("Device creation failed " + e);
-	}
+            try {
+                sw1p1.update();
+                assertNotEquals(VERSION_NONEXISTENT, sw1p1.getVersion());
+                assertEquals(DPID1, sw1p1.getDpid());
+                assertEquals(SW1_PORTNO1, sw1p1.getNumber());
+                assertEquals(KVPort.STATUS.ACTIVE, sw1p1.getStatus());
+            } catch (ObjectDoesntExistException | WrongVersionException e) {
+                e.printStackTrace();
+                fail("Link update failed " + e);
+            }
+        } catch (ObjectExistsException e) {
+            e.printStackTrace();
+            fail("Device creation failed " + e);
+        }
 
-	KVSwitch sw2 = new KVSwitch(DPID2);
-	sw2.setStatus(KVSwitch.STATUS.ACTIVE);
-	KVPort sw2p1 = new KVPort(DPID2, SW2_PORTNO1);
-	sw2p1.setStatus(KVPort.STATUS.ACTIVE);
-	KVPort sw2p2 = new KVPort(DPID2, SW2_PORTNO2);
-	sw2p2.setStatus(KVPort.STATUS.ACTIVE);
+        KVSwitch sw2 = new KVSwitch(DPID2);
+        sw2.setStatus(KVSwitch.STATUS.ACTIVE);
+        KVPort sw2p1 = new KVPort(DPID2, SW2_PORTNO1);
+        sw2p1.setStatus(KVPort.STATUS.ACTIVE);
+        KVPort sw2p2 = new KVPort(DPID2, SW2_PORTNO2);
+        sw2p2.setStatus(KVPort.STATUS.ACTIVE);
 
-	KVDevice d2 = new KVDevice(DEVICE2_MAC_SW2P2);
-	d2.addPortId(sw2p2.getId());
+        KVDevice d2 = new KVDevice(DEVICE2_MAC_SW2P2);
+        d2.addPortId(sw2p2.getId());
 
-	IKVClient client = DataStoreClient.getClient();
+        IKVClient client = DataStoreClient.getClient();
 
-	List<WriteOp> groupOp = Arrays.asList(
-		sw2.createOp(client), sw2p1.createOp(client),
-		sw2p2.createOp(client), d2.createOp(client) );
-	boolean failed = KVObject.multiWrite(groupOp);
-	if (failed) {
-	    for ( WriteOp op : groupOp ) {
-		System.err.println(op);
-	    }
-	    fail("Some of Switch/Port/Device creation failed");
-	} else {
-	    assertNotEquals(VERSION_NONEXISTENT, sw2.getVersion());
-	    assertEquals(DPID2, sw2.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw2.getStatus());
+        List<WriteOp> groupOp = Arrays.asList(
+                sw2.createOp(client), sw2p1.createOp(client),
+                sw2p2.createOp(client), d2.createOp(client));
+        boolean failed = KVObject.multiWrite(groupOp);
+        if (failed) {
+            for (WriteOp op : groupOp) {
+                System.err.println(op);
+            }
+            fail("Some of Switch/Port/Device creation failed");
+        } else {
+            assertNotEquals(VERSION_NONEXISTENT, sw2.getVersion());
+            assertEquals(DPID2, sw2.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw2.getStatus());
 
-	    assertNotEquals(VERSION_NONEXISTENT, sw2p1.getVersion());
-	    assertEquals(DPID2, sw2p1.getDpid());
-	    assertEquals(SW2_PORTNO1, sw2p1.getNumber());
-	    assertEquals(KVPort.STATUS.ACTIVE, sw2p1.getStatus());
+            assertNotEquals(VERSION_NONEXISTENT, sw2p1.getVersion());
+            assertEquals(DPID2, sw2p1.getDpid());
+            assertEquals(SW2_PORTNO1, sw2p1.getNumber());
+            assertEquals(KVPort.STATUS.ACTIVE, sw2p1.getStatus());
 
-	    assertNotEquals(VERSION_NONEXISTENT, sw2p2.getVersion());
-	    assertEquals(DPID2, sw2p2.getDpid());
-	    assertEquals(SW2_PORTNO2, sw2p2.getNumber());
-	    assertEquals(KVPort.STATUS.ACTIVE, sw2p2.getStatus());
+            assertNotEquals(VERSION_NONEXISTENT, sw2p2.getVersion());
+            assertEquals(DPID2, sw2p2.getDpid());
+            assertEquals(SW2_PORTNO2, sw2p2.getNumber());
+            assertEquals(KVPort.STATUS.ACTIVE, sw2p2.getStatus());
 
-	    assertNotEquals(VERSION_NONEXISTENT, d2.getVersion());
-	    assertEquals(1, d2.getAllPortIds().size());
-	    assertArrayEquals(sw2p2.getId(), d2.getAllPortIds().iterator().next());
-	}
+            assertNotEquals(VERSION_NONEXISTENT, d2.getVersion());
+            assertEquals(1, d2.getAllPortIds().size());
+            assertArrayEquals(sw2p2.getId(), d2.getAllPortIds().iterator().next());
+        }
 
-	KVLink l1 = new KVLink(DPID1, SW1_PORTNO2, DPID2, SW2_PORTNO1);
-	l1.setStatus(KVLink.STATUS.ACTIVE);
+        KVLink l1 = new KVLink(DPID1, SW1_PORTNO2, DPID2, SW2_PORTNO1);
+        l1.setStatus(KVLink.STATUS.ACTIVE);
 
-	try {
-	    l1.create();
-	    assertNotEquals(VERSION_NONEXISTENT, l1.getVersion());
-	    assertEquals(KVLink.STATUS.ACTIVE, l1.getStatus());
-	    assertArrayEquals(sw1.getId(), l1.getSrc().getSwitchID());
-	    assertArrayEquals(sw1p2.getId(), l1.getSrc().getPortID());
-	    assertArrayEquals(sw2.getId(), l1.getDst().getSwitchID());
-	    assertArrayEquals(sw2p1.getId(), l1.getDst().getPortID());
+        try {
+            l1.create();
+            assertNotEquals(VERSION_NONEXISTENT, l1.getVersion());
+            assertEquals(KVLink.STATUS.ACTIVE, l1.getStatus());
+            assertArrayEquals(sw1.getId(), l1.getSrc().getSwitchID());
+            assertArrayEquals(sw1p2.getId(), l1.getSrc().getPortID());
+            assertArrayEquals(sw2.getId(), l1.getDst().getSwitchID());
+            assertArrayEquals(sw2p1.getId(), l1.getDst().getPortID());
 
-	    try {
-		sw1p2.update();
-		assertNotEquals(VERSION_NONEXISTENT, sw1p2.getVersion());
-		assertEquals(DPID1, sw1p2.getDpid());
-		assertEquals(SW1_PORTNO2, sw1p2.getNumber());
-		assertEquals(KVPort.STATUS.ACTIVE, sw1p2.getStatus());
+            try {
+                sw1p2.update();
+                assertNotEquals(VERSION_NONEXISTENT, sw1p2.getVersion());
+                assertEquals(DPID1, sw1p2.getDpid());
+                assertEquals(SW1_PORTNO2, sw1p2.getNumber());
+                assertEquals(KVPort.STATUS.ACTIVE, sw1p2.getStatus());
 
-		sw2p1.update();
-		assertNotEquals(VERSION_NONEXISTENT, sw2p1.getVersion());
-		assertEquals(DPID2, sw2p1.getDpid());
-		assertEquals(SW2_PORTNO1, sw2p1.getNumber());
-		assertEquals(KVPort.STATUS.ACTIVE, sw2p1.getStatus());
-	    } catch (ObjectDoesntExistException | WrongVersionException e) {
-		e.printStackTrace();
-		fail("Port update failed " + e);
-	    }
-	} catch (ObjectExistsException e) {
-	    e.printStackTrace();
-	    fail("Link creation failed " + e);
-	}
+                sw2p1.update();
+                assertNotEquals(VERSION_NONEXISTENT, sw2p1.getVersion());
+                assertEquals(DPID2, sw2p1.getDpid());
+                assertEquals(SW2_PORTNO1, sw2p1.getNumber());
+                assertEquals(KVPort.STATUS.ACTIVE, sw2p1.getStatus());
+            } catch (ObjectDoesntExistException | WrongVersionException e) {
+                e.printStackTrace();
+                fail("Port update failed " + e);
+            }
+        } catch (ObjectExistsException e) {
+            e.printStackTrace();
+            fail("Link creation failed " + e);
+        }
     }
 
 
     private static void topology_walk() {
-	Iterable<KVSwitch> swIt = KVSwitch.getAllSwitches();
-	List<Long> switchesExpected = new ArrayList<>(Arrays.asList(DPID1, DPID2));
+        Iterable<KVSwitch> swIt = KVSwitch.getAllSwitches();
+        List<Long> switchesExpected = new ArrayList<>(Arrays.asList(DPID1, DPID2));
 
-	System.out.println("Enumerating Switches start");
-	for (KVSwitch sw : swIt) {
-	    System.out.println(sw + " @ " + sw.getVersion());
-	    assertNotEquals(VERSION_NONEXISTENT, sw.getVersion());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw.getStatus());
-	    assertThat(sw.getDpid(), is(anyOf(equalTo(DPID1), equalTo(DPID2))));
-	    assertThat(switchesExpected, hasItem(sw.getDpid()));
-	    switchesExpected.remove(sw.getDpid());
-	}
-	System.out.println("Enumerating Switches end");
+        System.out.println("Enumerating Switches start");
+        for (KVSwitch sw : swIt) {
+            System.out.println(sw + " @ " + sw.getVersion());
+            assertNotEquals(VERSION_NONEXISTENT, sw.getVersion());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw.getStatus());
+            assertThat(sw.getDpid(), is(anyOf(equalTo(DPID1), equalTo(DPID2))));
+            assertThat(switchesExpected, hasItem(sw.getDpid()));
+            switchesExpected.remove(sw.getDpid());
+        }
+        System.out.println("Enumerating Switches end");
 
-	KVSwitch sw1 = new KVSwitch(DPID1);
-	try {
-	    sw1.read();
-	    assertNotEquals(VERSION_NONEXISTENT, sw1.getVersion());
-	    assertEquals(DPID1, sw1.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw1.getStatus());
-	} catch (ObjectDoesntExistException e) {
-	    e.printStackTrace();
-	    fail("Reading switch failed " + e);
-	}
+        KVSwitch sw1 = new KVSwitch(DPID1);
+        try {
+            sw1.read();
+            assertNotEquals(VERSION_NONEXISTENT, sw1.getVersion());
+            assertEquals(DPID1, sw1.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw1.getStatus());
+        } catch (ObjectDoesntExistException e) {
+            e.printStackTrace();
+            fail("Reading switch failed " + e);
+        }
 
-	KVSwitch sw2 = new KVSwitch(DPID2);
-	if (KVObject.multiRead( Arrays.asList(sw2) )) {
-	    fail("Failed to read switch " + sw2);
-	} else {
-	    assertNotEquals(VERSION_NONEXISTENT, sw2.getVersion());
-	    assertEquals(DPID2, sw2.getDpid());
-	    assertEquals(KVSwitch.STATUS.ACTIVE, sw2.getStatus());
-	}
+        KVSwitch sw2 = new KVSwitch(DPID2);
+        if (KVObject.multiRead(Arrays.asList(sw2))) {
+            fail("Failed to read switch " + sw2);
+        } else {
+            assertNotEquals(VERSION_NONEXISTENT, sw2.getVersion());
+            assertEquals(DPID2, sw2.getDpid());
+            assertEquals(KVSwitch.STATUS.ACTIVE, sw2.getStatus());
+        }
 
 
-	// DPID -> [port_no]
-	@SuppressWarnings("serial")
-	Map<Long,List<Long>> expectedPorts = new HashMap<Long,List<Long>>() {{
-	    put(DPID1, new ArrayList<>(Arrays.asList(SW1_PORTNO1, SW1_PORTNO2)));
-	    put(DPID2, new ArrayList<>(Arrays.asList(SW2_PORTNO1, SW2_PORTNO2)));
-	}};
+        // DPID -> [port_no]
+        @SuppressWarnings("serial")
+        Map<Long, List<Long>> expectedPorts = new HashMap<Long, List<Long>>() {{
+            put(DPID1, new ArrayList<>(Arrays.asList(SW1_PORTNO1, SW1_PORTNO2)));
+            put(DPID2, new ArrayList<>(Arrays.asList(SW2_PORTNO1, SW2_PORTNO2)));
+        }};
 
-	for (KVPort port : KVPort.getAllPorts()) {
-	    System.out.println(port + " @ " + port.getVersion());
-	    assertNotEquals(VERSION_NONEXISTENT, port.getVersion());
-	    assertEquals(KVPort.STATUS.ACTIVE, port.getStatus());
-	    assertThat(port.getDpid(), is(anyOf(equalTo(DPID1), equalTo(DPID2))));
-	    assertThat(port.getNumber(), is(anyOf(equalTo(SW1_PORTNO1), equalTo(SW1_PORTNO2))));
+        for (KVPort port : KVPort.getAllPorts()) {
+            System.out.println(port + " @ " + port.getVersion());
+            assertNotEquals(VERSION_NONEXISTENT, port.getVersion());
+            assertEquals(KVPort.STATUS.ACTIVE, port.getStatus());
+            assertThat(port.getDpid(), is(anyOf(equalTo(DPID1), equalTo(DPID2))));
+            assertThat(port.getNumber(), is(anyOf(equalTo(SW1_PORTNO1), equalTo(SW1_PORTNO2))));
 
-	    assertThat(expectedPorts, hasKey(port.getDpid()));
-	    assertThat(expectedPorts.get(port.getDpid()), hasItem(port.getNumber()));
-	    expectedPorts.get(port.getDpid()).remove(port.getNumber());
-	}
+            assertThat(expectedPorts, hasKey(port.getDpid()));
+            assertThat(expectedPorts.get(port.getDpid()), hasItem(port.getNumber()));
+            expectedPorts.get(port.getDpid()).remove(port.getNumber());
+        }
 
-	// DeviceID -> PortID
-	@SuppressWarnings("serial")
-	Map<byte[], byte[]> expectedDevice = new TreeMap<byte[], byte[]>(ByteArrayComparator.BYTEARRAY_COMPARATOR) {{
-	    put(DEVICE1_MAC_SW1P1, KVPort.getPortID(DPID1, SW1_PORTNO1));
-	    put(DEVICE2_MAC_SW2P2, KVPort.getPortID(DPID2, SW2_PORTNO2));
-	}};
+        // DeviceID -> PortID
+        @SuppressWarnings("serial")
+        Map<byte[], byte[]> expectedDevice = new TreeMap<byte[], byte[]>(ByteArrayComparator.BYTEARRAY_COMPARATOR) {{
+            put(DEVICE1_MAC_SW1P1, KVPort.getPortID(DPID1, SW1_PORTNO1));
+            put(DEVICE2_MAC_SW2P2, KVPort.getPortID(DPID2, SW2_PORTNO2));
+        }};
 
-	for (KVDevice device : KVDevice.getAllDevices()) {
-	    System.out.println(device + " @ " + device.getVersion());
-	    assertNotEquals(VERSION_NONEXISTENT, device.getVersion());
+        for (KVDevice device : KVDevice.getAllDevices()) {
+            System.out.println(device + " @ " + device.getVersion());
+            assertNotEquals(VERSION_NONEXISTENT, device.getVersion());
 
-	    assertThat(expectedDevice, hasKey(device.getMac()));
-	    assertThat(device.getAllPortIds(), hasItem(expectedDevice.get(device.getMac())));
-	    expectedDevice.remove(device.getMac());
-	}
+            assertThat(expectedDevice, hasKey(device.getMac()));
+            assertThat(device.getAllPortIds(), hasItem(expectedDevice.get(device.getMac())));
+            expectedDevice.remove(device.getMac());
+        }
 
-	for (KVLink link : KVLink.getAllLinks()) {
-	    System.out.println(link + " @ " + link.getVersion());
-	    assertNotEquals(VERSION_NONEXISTENT, link.getVersion());
+        for (KVLink link : KVLink.getAllLinks()) {
+            System.out.println(link + " @ " + link.getVersion());
+            assertNotEquals(VERSION_NONEXISTENT, link.getVersion());
 
-	    // there is currently only 1 link SW1P2->SW2P1
-	    assertEquals(DPID1, link.getSrc().dpid);
-	    assertEquals(SW1_PORTNO2, link.getSrc().number);
-	    assertEquals(DPID2, link.getDst().dpid);
-	    assertEquals(SW2_PORTNO1, link.getDst().number);
-	}
+            // there is currently only 1 link SW1P2->SW2P1
+            assertEquals(DPID1, link.getSrc().dpid);
+            assertEquals(SW1_PORTNO2, link.getSrc().number);
+            assertEquals(DPID2, link.getDst().dpid);
+            assertEquals(SW2_PORTNO1, link.getDst().number);
+        }
 
     }
 
 
     private static void topology_delete() {
 
-	for (KVSwitch sw : KVSwitch.getAllSwitches()) {
-	    try {
-		sw.read();
-		sw.delete();
-		assertNotEquals(VERSION_NONEXISTENT, sw.getVersion());
-	    } catch (ObjectDoesntExistException | WrongVersionException e) {
-		e.printStackTrace();
-		fail("Delete Switch Failed " + e);
-	    }
-	}
+        for (KVSwitch sw : KVSwitch.getAllSwitches()) {
+            try {
+                sw.read();
+                sw.delete();
+                assertNotEquals(VERSION_NONEXISTENT, sw.getVersion());
+            } catch (ObjectDoesntExistException | WrongVersionException e) {
+                e.printStackTrace();
+                fail("Delete Switch Failed " + e);
+            }
+        }
 
-	for (KVPort p : KVPort.getAllPorts()) {
-	    try {
-		p.read();
-		p.delete();
-		assertNotEquals(VERSION_NONEXISTENT, p.getVersion());
-	    } catch (ObjectDoesntExistException | WrongVersionException e) {
-		e.printStackTrace();
-		fail("Delete Port Failed " + e);
-	    }
-	}
+        for (KVPort p : KVPort.getAllPorts()) {
+            try {
+                p.read();
+                p.delete();
+                assertNotEquals(VERSION_NONEXISTENT, p.getVersion());
+            } catch (ObjectDoesntExistException | WrongVersionException e) {
+                e.printStackTrace();
+                fail("Delete Port Failed " + e);
+            }
+        }
 
-	for (KVDevice d : KVDevice.getAllDevices()) {
-	    d.forceDelete();
-	    assertNotEquals(VERSION_NONEXISTENT, d.getVersion());
-	}
+        for (KVDevice d : KVDevice.getAllDevices()) {
+            d.forceDelete();
+            assertNotEquals(VERSION_NONEXISTENT, d.getVersion());
+        }
 
-	for (KVLink l : KVLink.getAllLinks()) {
-	    try {
-		l.read();
-		l.delete();
-		assertNotEquals(VERSION_NONEXISTENT, l.getVersion());
-	    } catch (ObjectDoesntExistException | WrongVersionException e) {
-		e.printStackTrace();
-		fail("Delete Link Failed " + e);
-	    }
-	}
+        for (KVLink l : KVLink.getAllLinks()) {
+            try {
+                l.read();
+                l.delete();
+                assertNotEquals(VERSION_NONEXISTENT, l.getVersion());
+            } catch (ObjectDoesntExistException | WrongVersionException e) {
+                e.printStackTrace();
+                fail("Delete Link Failed " + e);
+            }
+        }
     }
 
     public static void main(final String[] argv) {
 
-	topology_setup();
-	topology_walk();
-	topology_delete();
+        topology_setup();
+        topology_walk();
+        topology_delete();
 
-	System.exit(0);
+        System.exit(0);
     }
 
 }