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.Map;
  14 import java.util.Set;
  15
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  17 import org.opendaylight.ovsdb.lib.error.SchemaVersionMismatchException;
  18 import org.opendaylight.ovsdb.lib.notation.Mutator;
  19 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  20 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  21 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  22 import org.opendaylight.ovsdb.southbound.SouthboundConstants;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ProtocolEntry;
  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 import com.google.common.base.Optional;
  31 import com.google.common.collect.Sets;
  32
  33 public class ProtocolRemovedCommand extends AbstractTransactCommand {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(ProtocolRemovedCommand.class);
  36     private Set<InstanceIdentifier<ProtocolEntry>> removed;
  37     private Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> updatedBridges;
  38
  39     public ProtocolRemovedCommand(BridgeOperationalState state,
  40             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  41         super(state, changes);
  42         removed = TransactUtils.extractRemoved(getChanges(),ProtocolEntry.class);
  43         updatedBridges = TransactUtils.extractCreatedOrUpdatedOrRemoved(getChanges(),OvsdbBridgeAugmentation.class);
  44     }
  45
  46     @Override
  47     public void execute(TransactionBuilder transaction) {
  48         for (InstanceIdentifier<ProtocolEntry> protocolIid : removed) {
  49             InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
  50                     protocolIid.firstIdentifierOf(OvsdbBridgeAugmentation.class);
  51             OvsdbBridgeAugmentation ovsdbBridge = updatedBridges.get(bridgeIid);
  52             Optional<ProtocolEntry> protocolEntryOptional = getOperationalState().getProtocolEntry(protocolIid);
  53             if (ovsdbBridge != null
  54                     && protocolEntryOptional.isPresent()) {
  55                 ProtocolEntry protocolEntry = protocolEntryOptional.get();
  56                 if (protocolEntry != null && protocolEntry.getProtocol() != null) {
  57                     Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class);
  58                     String protocolString = SouthboundConstants.OVSDB_PROTOCOL_MAP.get(protocolEntry.getProtocol());
  59                     if (protocolString != null) {
  60                         bridge.setProtocols(Sets.newHashSet(protocolString));
  61                         try {
  62                             transaction.add(op.mutate(bridge).addMutation(bridge.getProtocolsColumn().getSchema(),
  63                                     Mutator.DELETE,bridge.getProtocolsColumn().getData()));
  64                         } catch (SchemaVersionMismatchException e) {
  65                             LOG.warn("protocol is not supported by this version of ovsdb", e);
  66                         }
  67                     }
  68                 }
  69             }
  70         }
  71
  72     }
  73
  74 }