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

   1 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
   2
   3 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
   4
   5 import java.util.Map;
   6 import java.util.Set;
   7
   8 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
   9 import org.opendaylight.ovsdb.lib.notation.Mutator;
  10 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  11 import org.opendaylight.ovsdb.lib.notation.UUID;
  12 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  13 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  14 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  15 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  17 import org.opendaylight.yangtools.yang.binding.DataObject;
  18 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 import com.google.common.base.Optional;
  23 import com.google.common.collect.Sets;
  24
  25 public class BridgeRemovedCommand extends AbstractTransactCommand {
  26     private static final Logger LOG = LoggerFactory.getLogger(BridgeRemovedCommand.class);
  27
  28     public BridgeRemovedCommand(BridgeOperationalState state,
  29             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  30         super(state, changes);
  31     }
  32
  33     @Override
  34     public void execute(TransactionBuilder transaction) {
  35         Set<InstanceIdentifier<OvsdbBridgeAugmentation>> removed =
  36                 TransactUtils.extractRemoved(getChanges(),OvsdbBridgeAugmentation.class);
  37         Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> originals
  38             = TransactUtils.extractOriginal(getChanges(),OvsdbBridgeAugmentation.class);
  39         for (InstanceIdentifier<OvsdbBridgeAugmentation> ovsdbManagedNodeIid: removed) {
  40             LOG.info("Received request to delete ovsdb node {}",ovsdbManagedNodeIid);
  41             OvsdbBridgeAugmentation original = originals.get(ovsdbManagedNodeIid);
  42             Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class,null);
  43             Optional<OvsdbBridgeAugmentation> ovsdbAugmentationOptional = getOperationalState()
  44                     .getOvsdbBridgeAugmentation(ovsdbManagedNodeIid);
  45             if (ovsdbAugmentationOptional.isPresent() && ovsdbAugmentationOptional.get().getBridgeUuid() != null) {
  46                 UUID bridgeUuid = new UUID(ovsdbAugmentationOptional.get().getBridgeUuid().getValue());
  47                 OpenVSwitch ovs = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
  48                         OpenVSwitch.class,null);
  49                 transaction.add(op.delete(bridge.getSchema())
  50                         .where(bridge.getUuidColumn().getSchema().opEqual(bridgeUuid)).build());
  51                 transaction.add(op.comment("Bridge: Deleting " + original.getBridgeName()));
  52                 transaction.add(op.mutate(ovs.getSchema())
  53                         .addMutation(ovs.getBridgesColumn().getSchema(), Mutator.DELETE,
  54                                 Sets.newHashSet(bridgeUuid)));
  55                 transaction.add(op.comment("Open_vSwitch: Mutating " + original.getBridgeName() + " " + bridgeUuid));
  56             } else {
  57                 LOG.warn("Unable to delete bridge {} because it was not found in the operational store, "
  58                         + "and thus we cannot retrieve its UUID", ovsdbManagedNodeIid);
  59             }
  60
  61         }
  62     }
  63 }