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

   1 /*
   2  * Copyright (c) 2014 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.Map;
  13 import java.util.Set;
  14
  15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  16 import org.opendaylight.ovsdb.lib.notation.Mutator;
  17 import org.opendaylight.ovsdb.lib.notation.UUID;
  18 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  19 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  20 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  23 import org.opendaylight.yangtools.yang.binding.DataObject;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25
  26 import com.google.common.base.Optional;
  27 import com.google.common.collect.Sets;
  28
  29 public class ControllerRemovedCommand implements TransactCommand {
  30
  31     @Override
  32     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  33                         AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
  34         execute(transaction, state, TransactUtils.extractRemoved(events, ControllerEntry.class),
  35                 TransactUtils.extractCreatedOrUpdatedOrRemoved(events, OvsdbBridgeAugmentation.class));
  36     }
  37
  38     private void execute(TransactionBuilder transaction, BridgeOperationalState state,
  39                          Set<InstanceIdentifier<ControllerEntry>> removedControllers,
  40                          Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation>
  41                                  modifiedBridges) {
  42         for (InstanceIdentifier<ControllerEntry> controllerIid : removedControllers) {
  43             InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
  44                     controllerIid.firstIdentifierOf(OvsdbBridgeAugmentation.class);
  45             OvsdbBridgeAugmentation ovsdbBridge = modifiedBridges.get(bridgeIid);
  46             Optional<ControllerEntry> controllerEntryOptional = state.getControllerEntry(controllerIid);
  47             if (ovsdbBridge != null && controllerEntryOptional.isPresent()) {
  48                 ControllerEntry controllerEntry = controllerEntryOptional.get();
  49                 Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class);
  50                 bridge.setController(Sets.newHashSet(new UUID(controllerEntry.getControllerUuid().getValue())));
  51                 transaction.add(op.mutate(bridge).addMutation(bridge.getControllerColumn().getSchema(),
  52                         Mutator.DELETE, bridge.getControllerColumn().getData()));
  53             }
  54         }
  55
  56
  57     }
  58
  59 }