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

   1 /*
   2  * Copyright (c) 2014 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 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.Map;
  13 import java.util.Map.Entry;
  14
  15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  16 import org.opendaylight.ovsdb.lib.notation.Mutator;
  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.Bridge;
  21 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  22 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  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.ControllerEntry;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27
  28 import com.google.common.base.Optional;
  29 import com.google.common.collect.Sets;
  30
  31 public class ControllerUpdateCommand extends AbstractTransactCommand {
  32
  33
  34     public ControllerUpdateCommand(BridgeOperationalState state,
  35             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  36         super(state, changes);
  37     }
  38
  39     @Override
  40     public void execute(TransactionBuilder transaction) {
  41         Map<InstanceIdentifier<ControllerEntry>, ControllerEntry> controllers =
  42                 TransactUtils.extractCreatedOrUpdated(getChanges(), ControllerEntry.class);
  43         Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> bridges =
  44                 TransactUtils.extractCreatedOrUpdated(getChanges(), OvsdbBridgeAugmentation.class);
  45         for (Entry<InstanceIdentifier<ControllerEntry>, ControllerEntry> entry: controllers.entrySet()) {
  46             Optional<ControllerEntry> operationalControllerEntryOptional =
  47                     getOperationalState().getControllerEntry(entry.getKey());
  48             if (!operationalControllerEntryOptional.isPresent()) {
  49                 InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
  50                         entry.getKey().firstIdentifierOf(OvsdbBridgeAugmentation.class);
  51                 Optional<OvsdbBridgeAugmentation> bridgeOptional =
  52                         getOperationalState().getOvsdbBridgeAugmentation(bridgeIid);
  53                 OvsdbBridgeAugmentation ovsdbBridge = null;
  54                 if (bridgeOptional.isPresent()) {
  55                     ovsdbBridge = bridgeOptional.get();
  56                 } else {
  57                     ovsdbBridge = bridges.get(bridgeIid);
  58                 }
  59                 if (ovsdbBridge != null
  60                         && ovsdbBridge.getBridgeName() != null
  61                         && entry.getValue() != null
  62                         && entry.getValue().getTarget() != null) {
  63                     Controller controller =
  64                             TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Controller.class);
  65                     controller.setTarget(entry.getValue().getTarget().getValue());
  66                     String controllerNamedUuidString = SouthboundMapper.getRandomUUID();
  67                     UUID controllerNamedUuid = new UUID(controllerNamedUuidString);
  68                     transaction.add(op.insert(controller).withId(controllerNamedUuidString));
  69
  70                     Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class);
  71                     bridge.setName(ovsdbBridge.getBridgeName().getValue());
  72                     bridge.setController(Sets.newHashSet(controllerNamedUuid));
  73                     transaction.add(op.mutate(bridge)
  74                             .addMutation(bridge.getControllerColumn().getSchema(), Mutator.INSERT,
  75                                     bridge.getControllerColumn().getData())
  76                             .where(bridge.getNameColumn().getSchema().opEqual(bridge.getNameColumn().getData()))
  77                             .build());
  78                 }
  79             }
  80         }
  81
  82     }
  83
  84 }