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
   9 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
  10
  11 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  12
  13 import java.util.List;
  14 import java.util.Map;
  15
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  17 import org.opendaylight.ovsdb.lib.notation.UUID;
  18 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  19 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  20 import org.opendaylight.ovsdb.schema.openvswitch.Qos;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntries;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class QosRemovedCommand implements TransactCommand {
  31     private static final Logger LOG = LoggerFactory.getLogger(QosRemovedCommand.class);
  32
  33     @Override
  34     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  35                         AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
  36         execute(transaction, state,
  37                 TransactUtils.extractOriginal(events, OvsdbNodeAugmentation.class),
  38                 TransactUtils.extractUpdated(events, OvsdbNodeAugmentation.class));
  39     }
  40
  41     private void execute(TransactionBuilder transaction, BridgeOperationalState state,
  42                         Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originals,
  43                         Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> updated) {
  44         for (Map.Entry<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originalEntry : originals
  45                 .entrySet()) {
  46             InstanceIdentifier<OvsdbNodeAugmentation> ovsdbNodeIid = originalEntry.getKey();
  47             OvsdbNodeAugmentation original = originalEntry.getValue();
  48             OvsdbNodeAugmentation update = updated.get(ovsdbNodeIid);
  49
  50             if (original != null && update != null) {
  51                 List<QosEntries> origQosEntries = original.getQosEntries();
  52                 List<QosEntries> updatedQosEntries = update.getQosEntries();
  53                 if (origQosEntries != null && !origQosEntries.isEmpty()) {
  54                     for (QosEntries origQosEntry : origQosEntries) {
  55                         OvsdbNodeAugmentation operNode =
  56                                 state.getBridgeNode(ovsdbNodeIid).get().getAugmentation(OvsdbNodeAugmentation.class);
  57                         List<QosEntries> operQosEntries = operNode.getQosEntries();
  58
  59                         boolean found = false;
  60                         if (updatedQosEntries != null && !updatedQosEntries.isEmpty()) {
  61                             for (QosEntries updatedQosEntry : updatedQosEntries) {
  62                                 if (origQosEntry.getQosId().equals(updatedQosEntry.getQosId())) {
  63                                     found = true;
  64                                     break;
  65                                 }
  66                             }
  67                         }
  68                         if (!found) {
  69                             LOG.debug("Received request to delete QoS entry {}", origQosEntry.getQosId());
  70                             Uuid qosUuid = getQosEntryUuid(operQosEntries, origQosEntry.getQosId());
  71                             if (qosUuid != null) {
  72                                 Qos qos =
  73                                         TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Qos.class, null);
  74                                 transaction.add(op.delete(qos.getSchema())
  75                                         .where(qos.getUuidColumn().getSchema().opEqual(new UUID(qosUuid.getValue())))
  76                                         .build());
  77                             } else {
  78                                 LOG.warn(
  79                                         "Unable to delete QoS{} for node {} because it was not found in the " +
  80                                                 "operational store, "
  81                                                 + "and thus we cannot retrieve its UUID", origQosEntry.getQosId(),
  82                                         ovsdbNodeIid);
  83                             }
  84                         }
  85                     }
  86                 }
  87             }
  88         }
  89     }
  90
  91     private Uuid getQosEntryUuid(List<QosEntries> operQosEntries, Uri qosId) {
  92         if (operQosEntries != null && !operQosEntries.isEmpty()) {
  93             for (QosEntries qosEntry : operQosEntries) {
  94                 if (qosEntry.getQosId().equals(qosId)) {
  95                     return qosEntry.getQosUuid();
  96                 }
  97             }
  98         }
  99         return null;
 100     }
 101
 102 }