hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/UcastMacsLocalRemoveCommand.java

   1 /*
   2  * Copyright © 2015, 2017 China Telecom Beijing Research Institute 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.hwvtepsouthbound.transact;
  10
  11 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  12
  13 import com.google.common.base.Optional;
  14 import java.util.Collection;
  15 import java.util.Collections;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Map.Entry;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  20 import org.opendaylight.ovsdb.lib.notation.UUID;
  21 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  22 import org.opendaylight.ovsdb.schema.hardwarevtep.UcastMacsLocal;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacs;
  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 UcastMacsLocalRemoveCommand extends AbstractTransactCommand<LocalUcastMacs, HwvtepGlobalAugmentation> {
  31     private static final Logger LOG = LoggerFactory.getLogger(UcastMacsLocalRemoveCommand.class);
  32
  33     public UcastMacsLocalRemoveCommand(final HwvtepOperationalState state,
  34             final Collection<DataTreeModification<Node>> changes) {
  35         super(state, changes);
  36     }
  37
  38     @Override
  39     public void execute(final TransactionBuilder transaction) {
  40         Map<InstanceIdentifier<Node>, List<LocalUcastMacs>> removeds =
  41                 extractRemoved(getChanges(),LocalUcastMacs.class);
  42         if (!removeds.isEmpty()) {
  43             for (Entry<InstanceIdentifier<Node>, List<LocalUcastMacs>> removed:
  44                 removeds.entrySet()) {
  45                 removeUcastMacLocal(transaction,  removed.getKey(), removed.getValue());
  46             }
  47         }
  48     }
  49
  50     private void removeUcastMacLocal(final TransactionBuilder transaction,
  51             final InstanceIdentifier<Node> instanceIdentifier, final List<LocalUcastMacs> macList) {
  52         for (LocalUcastMacs mac: macList) {
  53             LOG.debug("Removing remoteUcastMacs, mac address: {}", mac.getMacEntryKey().getValue());
  54             Optional<LocalUcastMacs> operationalMacOptional =
  55                     getOperationalState().getLocalUcastMacs(instanceIdentifier, mac.key());
  56             UcastMacsLocal ucastMacsLocal = transaction.getTypedRowSchema(UcastMacsLocal.class);
  57             if (operationalMacOptional.isPresent() && operationalMacOptional.get().getMacEntryUuid() != null) {
  58                 //when mac entry is deleted, its referenced locators are deleted automatically.
  59                 //locators in config DS is not deleted and user need to be removed explicitly by user.
  60                 UUID macEntryUUID = new UUID(operationalMacOptional.get().getMacEntryUuid().getValue());
  61                 ucastMacsLocal.getUuidColumn().setData(macEntryUUID);
  62                 transaction.add(op.delete(ucastMacsLocal.getSchema())
  63                         .where(ucastMacsLocal.getUuidColumn().getSchema().opEqual(macEntryUUID)).build());
  64                 transaction.add(op.comment("UcastMacLocal: Deleting " + mac.getMacEntryKey().getValue()));
  65             } else {
  66                 LOG.warn("Unable to delete remoteUcastMacs {} because it was not found in the operational store",
  67                         mac.getMacEntryKey().getValue());
  68             }
  69         }
  70     }
  71
  72     @Override
  73     protected List<LocalUcastMacs> getData(final HwvtepGlobalAugmentation augmentation) {
  74         return augmentation.getLocalUcastMacs();
  75     }
  76
  77     @Override
  78     protected boolean cascadeDelete() {
  79         return true;
  80     }
  81
  82     @Override
  83     protected UnMetDependencyGetter getDependencyGetter() {
  84         return MAC_DEPENDENCY_GETTER;
  85     }
  86
  87     static UnMetDependencyGetter MAC_DEPENDENCY_GETTER = new MacDependencyGetter();
  88
  89     public static class MacDependencyGetter extends UnMetDependencyGetter<LocalUcastMacs> {
  90         @Override
  91         public List<InstanceIdentifier<?>> getLogicalSwitchDependencies(final LocalUcastMacs data) {
  92             return Collections.singletonList(data.getLogicalSwitchRef().getValue());
  93         }
  94
  95         @Override
  96         public List<InstanceIdentifier<?>> getTerminationPointDependencies(final LocalUcastMacs data) {
  97             return Collections.emptyList();
  98         }
  99     }
 100
 101     @Override
 102     protected boolean isRemoveCommand() {
 103         return true;
 104     }
 105 }