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

   1 /*
   2  * Copyright (c) 2016 Intel Corporation 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 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.Collection;
  13 import java.util.Map;
  14 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  15 import org.opendaylight.ovsdb.lib.notation.UUID;
  16 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  17 import org.opendaylight.ovsdb.schema.openvswitch.Qos;
  18 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntries;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntriesKey;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 public class QosRemovedCommand implements TransactCommand {
  29     private static final Logger LOG = LoggerFactory.getLogger(QosRemovedCommand.class);
  30
  31     @Override
  32     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  33             final DataChangeEvent events, final InstanceIdentifierCodec instanceIdentifierCodec) {
  34         execute(transaction, state,
  35                 TransactUtils.extractOriginal(events, OvsdbNodeAugmentation.class),
  36                 TransactUtils.extractUpdated(events, OvsdbNodeAugmentation.class));
  37     }
  38
  39     @Override
  40     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  41             final Collection<DataTreeModification<Node>> modifications,
  42             final InstanceIdentifierCodec instanceIdentifierCodec) {
  43         execute(transaction, state,
  44                 TransactUtils.extractOriginal(modifications, OvsdbNodeAugmentation.class),
  45                 TransactUtils.extractUpdated(modifications, OvsdbNodeAugmentation.class));
  46     }
  47
  48     private static void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  49             final Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originals,
  50             final Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> updated) {
  51         for (Map.Entry<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originalEntry : originals
  52                 .entrySet()) {
  53             InstanceIdentifier<OvsdbNodeAugmentation> ovsdbNodeIid = originalEntry.getKey();
  54             OvsdbNodeAugmentation original = originalEntry.getValue();
  55             OvsdbNodeAugmentation update = updated.get(ovsdbNodeIid);
  56
  57             if (original != null && update != null) {
  58                 Map<QosEntriesKey, QosEntries> origQosEntries = original.getQosEntries();
  59                 Map<QosEntriesKey, QosEntries> updatedQosEntries = update.getQosEntries();
  60                 if (origQosEntries != null && !origQosEntries.isEmpty()) {
  61                     for (QosEntries origQosEntry : origQosEntries.values()) {
  62                         OvsdbNodeAugmentation operNode =
  63                                 state.getBridgeNode(ovsdbNodeIid).get().augmentation(OvsdbNodeAugmentation.class);
  64                         if (updatedQosEntries == null || !updatedQosEntries.containsKey(origQosEntry.key())) {
  65                             LOG.debug("Received request to delete QoS entry {}", origQosEntry.getQosId());
  66                             Uuid qosUuid = getQosEntryUuid(operNode.getQosEntries(), origQosEntry.key());
  67                             if (qosUuid != null) {
  68                                 Qos qos = transaction.getTypedRowSchema(Qos.class);
  69                                 transaction.add(op.delete(qos.getSchema())
  70                                         .where(qos.getUuidColumn().getSchema().opEqual(new UUID(qosUuid.getValue())))
  71                                         .build());
  72                                 LOG.info("Removed QoS Uuid : {} for node : {} ",
  73                                         origQosEntry.getQosId(), ovsdbNodeIid);
  74                             } else {
  75                                 LOG.warn("Unable to delete QoS{} for node {} because it was not found in the "
  76                                         + "operational store, and thus we cannot retrieve its UUID",
  77                                         origQosEntry.getQosId(), ovsdbNodeIid);
  78                             }
  79                         }
  80                     }
  81                 }
  82             }
  83         }
  84     }
  85
  86     private static Uuid getQosEntryUuid(final Map<QosEntriesKey, QosEntries> operQosEntries,
  87             final QosEntriesKey qosId) {
  88         if (operQosEntries != null && !operQosEntries.isEmpty()) {
  89             QosEntries qosEntry = operQosEntries.get(qosId);
  90             if (qosEntry != null) {
  91                 return qosEntry.getQosUuid();
  92             }
  93         }
  94         return null;
  95     }
  96 }