southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/TransactInvokerImpl.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 com.google.common.util.concurrent.ListenableFuture;
  11 import java.util.Collection;
  12 import java.util.List;
  13 import java.util.concurrent.ExecutionException;
  14
  15 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  17 import org.opendaylight.ovsdb.lib.operations.OperationResult;
  18 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  19 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  20 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  22 import org.opendaylight.yangtools.yang.binding.DataObject;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 public class TransactInvokerImpl implements TransactInvoker {
  28     private static final Logger LOG = LoggerFactory.getLogger(TransactInvokerImpl.class);
  29     private OvsdbConnectionInstance connectionInstance;
  30     private DatabaseSchema dbSchema;
  31
  32     public TransactInvokerImpl(OvsdbConnectionInstance connectionInstance, DatabaseSchema dbSchema) {
  33         this.connectionInstance = connectionInstance;
  34         this.dbSchema = dbSchema;
  35     }
  36
  37     @Override
  38     public void invoke(TransactCommand command, BridgeOperationalState state,
  39                        AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
  40         TransactionBuilder tb = new TransactionBuilder(connectionInstance.getOvsdbClient(), dbSchema);
  41         command.execute(tb, state, events);
  42         invoke(command, tb);
  43     }
  44
  45     @Override
  46     public void invoke(TransactCommand command, BridgeOperationalState state,
  47                        Collection<DataTreeModification<Node>> modifications) {
  48         TransactionBuilder tb = new TransactionBuilder(connectionInstance.getOvsdbClient(), dbSchema);
  49         command.execute(tb, state, modifications);
  50         invoke(command, tb);
  51     }
  52
  53     private void invoke(TransactCommand command, TransactionBuilder tb) {
  54         ListenableFuture<List<OperationResult>> result = tb.execute();
  55         LOG.debug("invoke: command: {}, tb: {}", command, tb);
  56         if (tb.getOperations().size() > 0) {
  57             try {
  58                 if (!result.isCancelled()) {
  59                     List<OperationResult> got = result.get();
  60                     LOG.debug("OVSDB transaction result: {}", got);
  61                 } else {
  62                     LOG.debug("Operation task cancelled for transaction : {}", tb);
  63                 }
  64             } catch (InterruptedException | ExecutionException e) {
  65                 LOG.warn("Transact execution exception: ", e);
  66             }
  67             LOG.trace("invoke exit command: {}, tb: {}", command, tb);
  68         }
  69     }
  70 }