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

   1 /*
   2  * Copyright (c) 2015 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.List;
  15 import java.util.Map;
  16 import java.util.Map.Entry;
  17 import java.util.Objects;
  18
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  20 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  21 import org.opendaylight.ovsdb.lib.notation.UUID;
  22 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  23 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  24 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalSwitch;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  28 import org.opendaylight.yangtools.yang.binding.Identifiable;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 import com.google.common.base.Optional;
  34
  35 public class LogicalSwitchRemoveCommand extends AbstractTransactCommand<LogicalSwitches, HwvtepGlobalAugmentation> {
  36     private static final Logger LOG = LoggerFactory.getLogger(LogicalSwitchRemoveCommand.class);
  37
  38     public LogicalSwitchRemoveCommand(HwvtepOperationalState state,
  39             Collection<DataTreeModification<Node>> changes) {
  40         super(state, changes);
  41     }
  42
  43     @Override
  44     public void execute(TransactionBuilder transaction) {
  45         Map<InstanceIdentifier<Node>, List<LogicalSwitches>> removeds =
  46                 extractRemoved(getChanges(),LogicalSwitches.class);
  47         if (removeds != null) {
  48             for (Entry<InstanceIdentifier<Node>, List<LogicalSwitches>> created: removeds.entrySet()) {
  49                 if (!HwvtepSouthboundUtil.isEmpty(created.getValue())) {
  50                     for (LogicalSwitches lswitch : created.getValue()) {
  51                         InstanceIdentifier<LogicalSwitches> lsKey = created.getKey().augmentation(
  52                                 HwvtepGlobalAugmentation.class).child(LogicalSwitches.class, lswitch.getKey());
  53                         updateCurrentTxDeleteData(LogicalSwitches.class, lsKey, lswitch);
  54                     }
  55                     getOperationalState().getDeviceInfo().scheduleTransaction(new TransactCommand() {
  56                         @Override
  57                         public void execute(TransactionBuilder transactionBuilder) {
  58                             LOG.debug("Running delete logical switch in seperate tx {}", created.getKey());
  59                             removeLogicalSwitch(transactionBuilder, created.getKey(), created.getValue());
  60                         }
  61
  62                         @Override
  63                         public void onConfigUpdate(TransactionBuilder transaction, InstanceIdentifier nodeIid,
  64                                                    Identifiable data, InstanceIdentifier key, Object... extraData) {
  65                         }
  66
  67                         @Override
  68                         public void doDeviceTransaction(TransactionBuilder transaction, InstanceIdentifier nodeIid,
  69                                                         Identifiable data, InstanceIdentifier key, Object... extraData) {
  70                         }
  71                     });
  72                 }
  73             }
  74         }
  75     }
  76
  77     private void removeLogicalSwitch(TransactionBuilder transaction,
  78             InstanceIdentifier<Node> instanceIdentifier, List<LogicalSwitches> lswitchList) {
  79         for (LogicalSwitches lswitch: lswitchList) {
  80             LOG.debug("Removing logcial switch named: {}", lswitch.getHwvtepNodeName().getValue());
  81             Optional<LogicalSwitches> operationalSwitchOptional =
  82                     getOperationalState().getLogicalSwitches(instanceIdentifier, lswitch.getKey());
  83             LogicalSwitch logicalSwitch = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), LogicalSwitch.class, null);
  84
  85             if (operationalSwitchOptional.isPresent() &&
  86                     operationalSwitchOptional.get().getLogicalSwitchUuid() != null) {
  87                 UUID logicalSwitchUuid = new UUID(operationalSwitchOptional.get().getLogicalSwitchUuid().getValue());
  88                 transaction.add(op.delete(logicalSwitch.getSchema())
  89                         .where(logicalSwitch.getUuidColumn().getSchema().opEqual(logicalSwitchUuid)).build());
  90                 transaction.add(op.comment("Logical Switch: Deleting " + lswitch.getHwvtepNodeName().getValue()));
  91             } else {
  92                 LOG.warn("Unable to delete logical switch {} because it was not found in the operational store",
  93                         lswitch.getHwvtepNodeName().getValue());
  94             }
  95         }
  96     }
  97
  98     @Override
  99     protected List<LogicalSwitches> getData(HwvtepGlobalAugmentation augmentation) {
 100         return augmentation.getLogicalSwitches();
 101     }
 102
 103     @Override
 104     protected boolean areEqual(LogicalSwitches a , LogicalSwitches b) {
 105         return a.getKey().equals(b.getKey()) && Objects.equals(a.getTunnelKey(), b.getTunnelKey());
 106     }
 107 }