apply checkstyle check during build for neutron-ovsdb
[groupbasedpolicy.git] / neutron-ovsdb / src / main / java / org / opendaylight / groupbasedpolicy / neutron / ovsdb / OvsdbNodeListener.java
index f8fc121dac28433f5593743a7dbb24608037b19c..09f8c2a23dc2a048170589747fddaaa6a9e33bd7 100644 (file)
@@ -7,51 +7,47 @@
  */
 package org.opendaylight.groupbasedpolicy.neutron.ovsdb;
 
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
+import com.google.common.base.Function;
+import com.google.common.base.Strings;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.MoreExecutors;
+
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 
 import javax.annotation.Nonnull;
 
-import org.opendaylight.controller.config.yang.config.neutron_ovsdb.impl.IntegrationBridgeSetting;
 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
 import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.InventoryHelper;
 import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.NeutronOvsdbIidFactory;
-import org.opendaylight.groupbasedpolicy.neutron.ovsdb.util.OvsdbHelper;
-import org.opendaylight.groupbasedpolicy.util.DataStoreHelper;
 import org.opendaylight.groupbasedpolicy.util.DataTreeChangeHandler;
 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.common.rev140421.SubnetId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.policy.rev140421.tenants.tenant.forwarding.context.Subnet;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.groupbasedpolicy.neutron.ovsdb.params.rev160812.IntegrationBridgeSetting;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeBase;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.DatapathTypeSystem;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentationBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeName;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeProtocolOpenflow13;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeRef;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbFailModeSecure;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntryKey;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntryBuilder;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagedNodeEntry;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
@@ -66,40 +62,28 @@ import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.
 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import com.google.common.base.Function;
-import com.google.common.base.Predicate;
-import com.google.common.base.Predicates;
-import com.google.common.base.Strings;
-import com.google.common.collect.Collections2;
-import com.google.common.collect.ImmutableList;
-import com.google.common.collect.Lists;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.FutureCallback;
-import com.google.common.util.concurrent.Futures;
-
 public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
 
+    static final String BRIDGE_SEPARATOR = "/bridge/";
+    static final String NEUTRON_PROVIDER_MAPPINGS_KEY = "provider_mappings";
     private static final Logger LOG = LoggerFactory.getLogger(OvsdbNodeListener.class);
-    public static final String NEUTRON_PROVIDER_MAPPINGS_KEY = "provider_mappings";
     private static final String OF_SEPARATOR = ":";
     private static final String OF_INVENTORY_PREFIX = "openflow";
-    private static final String BRIDGE_SEPARATOR = "/bridge/";
     private static IntegrationBridgeSetting intBrSettings;
 
     private final Map<OvsdbBridgeRef, String> providerPortNameByBridgeRef = new HashMap<>();
     private final Map<InstanceIdentifier<Node>, NeutronBridgeWithExtPort> bridgeByNodeIid = new HashMap<>();
 
     public OvsdbNodeListener(DataBroker dataProvider, IntegrationBridgeSetting brSettings) {
-        super(dataProvider,
-                new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
-                        InstanceIdentifier.create(NetworkTopology.class)
-                            .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
-                            .child(Node.class)));
+        super(dataProvider);
         intBrSettings = brSettings;
+        this.registerDataTreeChangeListener(new DataTreeIdentifier<>(LogicalDatastoreType.OPERATIONAL,
+                InstanceIdentifier.create(NetworkTopology.class)
+                    .child(Topology.class, new TopologyKey(SouthboundConstants.OVSDB_TOPOLOGY_ID))
+                    .child(Node.class)));
     }
 
     @Override
@@ -108,7 +92,8 @@ public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
         OvsdbNodeAugmentation ovsdbNode = node.getAugmentation(OvsdbNodeAugmentation.class);
         if (ovsdbNode != null) {
             LOG.trace("OVSDB node created: {} \n {}", rootIdentifier, node);
-            DataObjectModification<OpenvswitchOtherConfigs> ovsOtherConfigModification = getProviderMappingsModification(rootNode);
+            DataObjectModification<OpenvswitchOtherConfigs>
+                ovsOtherConfigModification = getProviderMappingsModification(rootNode);
             boolean integrationBridgePresent = false;
             if (isProviderPortNameChanged(ovsOtherConfigModification) && ovsdbNode.getManagedNodeEntry() != null) {
                 String newProviderPortName = getProviderPortName(ovsOtherConfigModification.getDataAfter());
@@ -119,19 +104,20 @@ public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
                     LOG.trace("Added Provider port name {} by OVSDB bridge ref {}", newProviderPortName,
                             mngdNodeEntry.getBridgeRef());
                     NodeKey managedNodeKey = bridgeRef.getValue().firstKeyOf(Node.class);
-                    if (intBrSettings != null && managedNodeKey.getNodeId().getValue().equals(intBrSettings.getName())) {
+                    if (intBrSettings != null && managedNodeKey.getNodeId().getValue()
+                        .equals(intBrSettings.getName())) {
                         integrationBridgePresent = true;
                     }
                 }
             }
-            if (intBrSettings != null && integrationBridgePresent == false) {
+            if (intBrSettings != null && !integrationBridgePresent) {
                 final Node bridge = createBridge(rootIdentifier,
                         managerToControllerEntries(ovsdbNode.getManagerEntry()), intBrSettings.getName());
                 InstanceIdentifier<Node> bridgeNodeIid = NeutronOvsdbIidFactory.nodeIid(
                         rootIdentifier.firstKeyOf(Topology.class).getTopologyId(), bridge.getNodeId());
-                WriteTransaction wTx = dataProvider.newWriteOnlyTransaction();
-                wTx.merge(LogicalDatastoreType.CONFIGURATION, bridgeNodeIid, bridge, true);
-                Futures.addCallback(wTx.submit(), new FutureCallback<Void>() {
+                WriteTransaction writeTx = dataProvider.newWriteOnlyTransaction();
+                writeTx.merge(LogicalDatastoreType.CONFIGURATION, bridgeNodeIid, bridge, true);
+                Futures.addCallback(writeTx.submit(), new FutureCallback<Void>() {
 
                     @Override
                     public void onSuccess(Void result) {
@@ -139,11 +125,11 @@ public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
                     }
 
                     @Override
-                    public void onFailure(Throwable t) {
+                    public void onFailure(Throwable throwable) {
                         LOG.error("Failed to write bridge {}. Message: {}" + bridge.getNodeId().getValue(),
-                                t.getMessage());
+                                throwable.getMessage());
                     }
-                });
+                }, MoreExecutors.directExecutor());
             }
         }
         OvsdbBridgeAugmentation ovsdbBridge = node.getAugmentation(OvsdbBridgeAugmentation.class);
@@ -276,7 +262,8 @@ public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
         OvsdbTerminationPointAugmentation oldTp = ovsdbTpModification.getDataBefore();
         OvsdbTerminationPointAugmentation newTp = ovsdbTpModification.getDataAfter();
         if (oldTp != null && newTp != null) {
-            if (oldTp.getOfport() != null && newTp.getOfport() != null && oldTp.getOfport() != newTp.getOfport()) {
+            if (oldTp.getOfport() != null && newTp.getOfport() != null && !Objects.equals(oldTp.getOfport(),
+                newTp.getOfport())) {
                 return true;
             }
             if (!(Strings.nullToEmpty(oldTp.getName())).equals(Strings.nullToEmpty(newTp.getName()))) {
@@ -346,7 +333,7 @@ public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
     }
 
     /**
-     * Extracts IP address from URI
+     * Extracts IP address from URI.
      *
      * @param uri in format protocol:ip:port
      * @return IPv4 or IPv6 address as {@link String}.
@@ -387,7 +374,7 @@ public class OvsdbNodeListener extends DataTreeChangeHandler<Node> {
             .setControllerEntry(controllerEntries)
             .setDatapathType(DatapathTypeSystem.class)
             .setProtocolEntry(
-                    ImmutableList.<ProtocolEntry>of(new ProtocolEntryBuilder().setProtocol(
+                    ImmutableList.of(new ProtocolEntryBuilder().setProtocol(
                             OvsdbBridgeProtocolOpenflow13.class).build()))
             .build();
         NodeKey managerNodeKey = managedByIid.firstKeyOf(Node.class);