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.Iterator;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Set;
  17
  18 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  19 import org.opendaylight.ovsdb.lib.notation.Mutator;
  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.openvswitch.Qos;
  24 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntries;
  29 import org.opendaylight.yangtools.yang.binding.DataObject;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import com.google.common.base.Optional;
  35 import com.google.common.collect.Sets;
  36
  37 public class QosRemovedCommand extends AbstractTransactCommand {
  38     private static final Logger LOG = LoggerFactory.getLogger(QosRemovedCommand.class);
  39
  40     public QosRemovedCommand(BridgeOperationalState state,
  41             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  42         super(state, changes);
  43     }
  44
  45     @Override
  46     public void execute(TransactionBuilder transaction) {
  47         Set<InstanceIdentifier<QosEntries>> removed =
  48                 TransactUtils.extractRemoved(getChanges(),QosEntries.class);
  49
  50         Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> originals
  51             = TransactUtils.extractOriginal(getChanges(),OvsdbNodeAugmentation.class);
  52
  53         Map<InstanceIdentifier<OvsdbNodeAugmentation>, OvsdbNodeAugmentation> updated
  54         = TransactUtils.extractUpdated(getChanges(), OvsdbNodeAugmentation.class);
  55
  56         Iterator<InstanceIdentifier<OvsdbNodeAugmentation>> itr = originals.keySet().iterator();
  57         while (itr.hasNext()) {
  58             InstanceIdentifier<OvsdbNodeAugmentation> ovsdbNodeIid = itr.next();
  59             OvsdbNodeAugmentation original = originals.get(ovsdbNodeIid);
  60             OvsdbNodeAugmentation update = updated.get(ovsdbNodeIid);
  61
  62             if (original != null && update != null) {
  63                 List<QosEntries> origQosEntries = original.getQosEntries();
  64                 List<QosEntries> updatedQosEntries = update.getQosEntries();
  65                 if (origQosEntries != null && !origQosEntries.isEmpty()) {
  66                     for (QosEntries origQosEntry : origQosEntries) {
  67                         OvsdbNodeAugmentation operNode = getOperationalState().getBridgeNode(ovsdbNodeIid).get().getAugmentation(OvsdbNodeAugmentation.class);
  68                         List<QosEntries> operQosEntries = operNode.getQosEntries();
  69
  70                         boolean found = false;
  71                         if (updatedQosEntries != null && !updatedQosEntries.isEmpty()) {
  72                             for (QosEntries updatedQosEntry : updatedQosEntries) {
  73                                 if (origQosEntry.getQosId().equals(updatedQosEntry.getQosId())) {
  74                                     found = true;
  75                                     break;
  76                                 }
  77                             }
  78                         }
  79                         if (!found) {
  80                             LOG.debug("Received request to delete QoS entry {}",origQosEntry.getQosId());
  81                             Uuid qosUuid = getQosEntryUuid(operQosEntries, origQosEntry.getQosId());
  82                             if (qosUuid != null) {
  83                                 Qos qos = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Qos.class, null);
  84                                   transaction.add(op.delete(qos.getSchema())
  85                                           .where(qos.getUuidColumn().getSchema().opEqual(new UUID(qosUuid.getValue())))
  86                                           .build());
  87                             } else {
  88                                 LOG.warn("Unable to delete QoS{} for node {} because it was not found in the operational store, "
  89                                         + "and thus we cannot retrieve its UUID", origQosEntry.getQosId(), ovsdbNodeIid);
  90                             }
  91                         }
  92                     }
  93                 }
  94             }
  95         }
  96     }
  97
  98     private Uuid getQosEntryUuid(List<QosEntries> operQosEntries, Uri qosId) {
  99         if (operQosEntries != null && !operQosEntries.isEmpty()) {
 100             for (QosEntries qosEntry : operQosEntries) {
 101                 if (qosEntry.getQosId().equals(qosId)) {
 102                     return qosEntry.getQosUuid();
 103                 }
 104             }
 105         }
 106         return null;
 107     }
 108
 109 }