southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/ControllerRemovedCommand.java

   1 /*
   2  * Copyright © 2014, 2017 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.Collection;
  13 import java.util.Collections;
  14 import java.util.Map;
  15 import java.util.Optional;
  16 import java.util.Set;
  17 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  18 import org.opendaylight.ovsdb.lib.notation.Mutator;
  19 import org.opendaylight.ovsdb.lib.notation.UUID;
  20 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  21 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  22 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class ControllerRemovedCommand implements TransactCommand {
  31     private static final Logger LOG = LoggerFactory.getLogger(ControllerRemovedCommand.class);
  32
  33     @Override
  34     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  35             final DataChangeEvent events, final InstanceIdentifierCodec instanceIdentifierCodec) {
  36         execute(transaction, state, TransactUtils.extractRemoved(events, ControllerEntry.class),
  37                 TransactUtils.extractCreatedOrUpdatedOrRemoved(events, OvsdbBridgeAugmentation.class));
  38     }
  39
  40     @Override
  41     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  42             final Collection<DataTreeModification<Node>> modifications,
  43             final InstanceIdentifierCodec instanceIdentifierCodec) {
  44         execute(transaction, state, TransactUtils.extractRemoved(modifications, ControllerEntry.class),
  45                 TransactUtils.extractCreatedOrUpdatedOrRemoved(modifications, OvsdbBridgeAugmentation.class));
  46     }
  47
  48     private static void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  49                          final Set<InstanceIdentifier<ControllerEntry>> removedControllers,
  50                          final Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation>
  51                                  modifiedBridges) {
  52         for (InstanceIdentifier<ControllerEntry> controllerIid : removedControllers) {
  53             LOG.debug("Removing Registered...ODL controller : {} ", controllerIid);
  54             InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
  55                     controllerIid.firstIdentifierOf(OvsdbBridgeAugmentation.class);
  56             OvsdbBridgeAugmentation ovsdbBridge = modifiedBridges.get(bridgeIid);
  57             Optional<ControllerEntry> controllerEntryOptional = state.getControllerEntry(controllerIid);
  58             if (ovsdbBridge != null && controllerEntryOptional.isPresent()) {
  59                 ControllerEntry controllerEntry = controllerEntryOptional.get();
  60                 Bridge bridge = transaction.getTypedRowWrapper(Bridge.class);
  61                 bridge.setController(Collections.singleton(new UUID(controllerEntry.getControllerUuid().getValue())));
  62                 transaction.add(op.mutate(bridge).addMutation(bridge.getControllerColumn().getSchema(),
  63                         Mutator.DELETE, bridge.getControllerColumn().getData()));
  64             }
  65         }
  66     }
  67 }