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

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.Collection;
  14 import java.util.Map;
  15 import java.util.Set;
  16
  17 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  18 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  19 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  20 import org.opendaylight.ovsdb.lib.notation.Mutator;
  21 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  22 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  23 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  24 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  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.DataObject;
  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 import com.google.common.collect.Sets;
  35
  36 public class ProtocolRemovedCommand implements TransactCommand {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ProtocolRemovedCommand.class);
  39
  40     @Override
  41     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  42                         AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
  43         execute(transaction, state, TransactUtils.extractRemoved(events, ProtocolEntry.class),
  44                 TransactUtils.extractCreatedOrUpdatedOrRemoved(events, OvsdbBridgeAugmentation.class));
  45     }
  46
  47     @Override
  48     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  49                         Collection<DataTreeModification<Node>> modifications) {
  50         execute(transaction, state, TransactUtils.extractRemoved(modifications, ProtocolEntry.class),
  51                 TransactUtils.extractCreatedOrUpdatedOrRemoved(modifications, OvsdbBridgeAugmentation.class));
  52     }
  53
  54     private void execute(TransactionBuilder transaction, BridgeOperationalState state, Set<InstanceIdentifier<ProtocolEntry>> removed,
  55                          Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> updatedBridges) {
  56         for (InstanceIdentifier<ProtocolEntry> protocolIid : removed) {
  57             InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
  58                     protocolIid.firstIdentifierOf(OvsdbBridgeAugmentation.class);
  59             OvsdbBridgeAugmentation ovsdbBridge = updatedBridges.get(bridgeIid);
  60             Optional<ProtocolEntry> protocolEntryOptional = state.getProtocolEntry(protocolIid);
  61             if (ovsdbBridge != null
  62                     && protocolEntryOptional.isPresent()) {
  63                 ProtocolEntry protocolEntry = protocolEntryOptional.get();
  64                 if (protocolEntry != null && protocolEntry.getProtocol() != null) {
  65                     Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class);
  66                     String protocolString = SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocolEntry.getProtocol());
  67                     if (protocolString != null) {
  68                         bridge.setProtocols(Sets.newHashSet(protocolString));
  69                         try {
  70                             transaction.add(op.mutate(bridge).addMutation(bridge.getProtocolsColumn().getSchema(),
  71                                     Mutator.DELETE,bridge.getProtocolsColumn().getData()));
  72                         } catch (SchemaVersionMismatchException e) {
  73                             LOG.warn("protocol is not supported by this version of ovsdb", e);
  74                         }
  75                     }
  76                 }
  77             }
  78         }
  79
  80     }
  81
  82 }