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

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
  10
  11 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  12
  13 import java.util.Map;
  14 import java.util.Set;
  15
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  17 import org.opendaylight.ovsdb.lib.notation.Mutator;
  18 import org.opendaylight.ovsdb.lib.notation.UUID;
  19 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  20 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  21 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  22 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  24 import org.opendaylight.yangtools.yang.binding.DataObject;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28
  29 import com.google.common.base.Optional;
  30 import com.google.common.collect.Sets;
  31
  32 public class BridgeRemovedCommand extends AbstractTransactCommand {
  33     private static final Logger LOG = LoggerFactory.getLogger(BridgeRemovedCommand.class);
  34
  35     public BridgeRemovedCommand(BridgeOperationalState state,
  36             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  37         super(state, changes);
  38     }
  39
  40     @Override
  41     public void execute(TransactionBuilder transaction) {
  42         Set<InstanceIdentifier<OvsdbBridgeAugmentation>> removed =
  43                 TransactUtils.extractRemoved(getChanges(),OvsdbBridgeAugmentation.class);
  44         Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> originals
  45             = TransactUtils.extractOriginal(getChanges(),OvsdbBridgeAugmentation.class);
  46         for (InstanceIdentifier<OvsdbBridgeAugmentation> ovsdbManagedNodeIid: removed) {
  47             LOG.info("Received request to delete ovsdb node {}",ovsdbManagedNodeIid);
  48             OvsdbBridgeAugmentation original = originals.get(ovsdbManagedNodeIid);
  49             Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class,null);
  50             Optional<OvsdbBridgeAugmentation> ovsdbAugmentationOptional = getOperationalState()
  51                     .getOvsdbBridgeAugmentation(ovsdbManagedNodeIid);
  52             if (ovsdbAugmentationOptional.isPresent() && ovsdbAugmentationOptional.get().getBridgeUuid() != null) {
  53                 UUID bridgeUuid = new UUID(ovsdbAugmentationOptional.get().getBridgeUuid().getValue());
  54                 OpenVSwitch ovs = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
  55                         OpenVSwitch.class,null);
  56                 transaction.add(op.delete(bridge.getSchema())
  57                         .where(bridge.getUuidColumn().getSchema().opEqual(bridgeUuid)).build());
  58                 transaction.add(op.comment("Bridge: Deleting " + original.getBridgeName()));
  59                 transaction.add(op.mutate(ovs.getSchema())
  60                         .addMutation(ovs.getBridgesColumn().getSchema(), Mutator.DELETE,
  61                                 Sets.newHashSet(bridgeUuid)));
  62                 transaction.add(op.comment("Open_vSwitch: Mutating " + original.getBridgeName() + " " + bridgeUuid));
  63             } else {
  64                 LOG.warn("Unable to delete bridge {} because it was not found in the operational store, "
  65                         + "and thus we cannot retrieve its UUID", ovsdbManagedNodeIid);
  66             }
  67
  68         }
  69     }
  70 }