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 java.util.Collection;
  14 import java.util.Collections;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Map.Entry;
  18
  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.lib.schema.typed.TyperUtils;
  23 import org.opendaylight.ovsdb.schema.hardwarevtep.UcastMacsLocal;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacs;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.google.common.base.Optional;
  32
  33 public class UcastMacsLocalRemoveCommand extends AbstractTransactCommand<LocalUcastMacs, HwvtepGlobalAugmentation> {
  34     private static final Logger LOG = LoggerFactory.getLogger(UcastMacsLocalRemoveCommand.class);
  35
  36     public UcastMacsLocalRemoveCommand(HwvtepOperationalState state,
  37             Collection<DataTreeModification<Node>> changes) {
  38         super(state, changes);
  39     }
  40
  41     @Override
  42     public void execute(TransactionBuilder transaction) {
  43         Map<InstanceIdentifier<Node>, List<LocalUcastMacs>> removeds =
  44                 extractRemoved(getChanges(),LocalUcastMacs.class);
  45         if (!removeds.isEmpty()) {
  46             for (Entry<InstanceIdentifier<Node>, List<LocalUcastMacs>> removed:
  47                 removeds.entrySet()) {
  48                 removeUcastMacLocal(transaction,  removed.getKey(), removed.getValue());
  49             }
  50         }
  51     }
  52
  53     private void removeUcastMacLocal(TransactionBuilder transaction,
  54             InstanceIdentifier<Node> instanceIdentifier, List<LocalUcastMacs> macList) {
  55         for (LocalUcastMacs mac: macList) {
  56             LOG.debug("Removing remoteUcastMacs, mac address: {}", mac.getMacEntryKey().getValue());
  57             Optional<LocalUcastMacs> operationalMacOptional =
  58                     getOperationalState().getLocalUcastMacs(instanceIdentifier, mac.getKey());
  59             UcastMacsLocal ucastMacsLocal = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
  60                     UcastMacsLocal.class, null);
  61             if (operationalMacOptional.isPresent() && operationalMacOptional.get().getMacEntryUuid() != null) {
  62                 //when mac entry is deleted, its referenced locators are deleted automatically.
  63                 //locators in config DS is not deleted and user need to be removed explicitly by user.
  64                 UUID macEntryUUID = new UUID(operationalMacOptional.get().getMacEntryUuid().getValue());
  65                 ucastMacsLocal.getUuidColumn().setData(macEntryUUID);
  66                 transaction.add(op.delete(ucastMacsLocal.getSchema()).
  67                         where(ucastMacsLocal.getUuidColumn().getSchema().opEqual(macEntryUUID)).build());
  68                 transaction.add(op.comment("UcastMacLocal: Deleting " + mac.getMacEntryKey().getValue()));
  69             } else {
  70                 LOG.warn("Unable to delete remoteUcastMacs {} because it was not found in the operational store",
  71                         mac.getMacEntryKey().getValue());
  72             }
  73         }
  74     }
  75
  76     @Override
  77     protected List<LocalUcastMacs> getData(HwvtepGlobalAugmentation augmentation) {
  78         return augmentation.getLocalUcastMacs();
  79     }
  80
  81     @Override
  82     protected boolean cascadeDelete() {
  83         return true;
  84     }
  85
  86     @Override
  87     protected UnMetDependencyGetter getDependencyGetter() {
  88         return MAC_DEPENDENCY_GETTER;
  89     }
  90
  91     static UnMetDependencyGetter MAC_DEPENDENCY_GETTER = new MacDependencyGetter();
  92
  93     public static class MacDependencyGetter extends UnMetDependencyGetter<LocalUcastMacs> {
  94         @Override
  95         public List<InstanceIdentifier<?>> getLogicalSwitchDependencies(LocalUcastMacs data) {
  96             return Collections.singletonList(data.getLogicalSwitchRef().getValue());
  97         }
  98
  99         @Override
 100         public List<InstanceIdentifier<?>> getTerminationPointDependencies(LocalUcastMacs data) {
 101             return Collections.emptyList();
 102         }
 103     }
 104
 105     @Override
 106     protected boolean isRemoveCommand() {
 107         return true;
 108     }
 109 }