southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/OvsdbMonitorCallback.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 package org.opendaylight.ovsdb.southbound;
   9
  10 import java.util.concurrent.atomic.AtomicBoolean;
  11
  12 import org.opendaylight.ovsdb.lib.MonitorCallBack;
  13 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  14 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  15 import org.opendaylight.ovsdb.southbound.transactions.md.OvsdbOperationalCommandAggregator;
  16 import org.opendaylight.ovsdb.southbound.transactions.md.TransactionInvoker;
  17 import org.slf4j.Logger;
  18 import org.slf4j.LoggerFactory;
  19
  20 public class OvsdbMonitorCallback implements MonitorCallBack {
  21
  22     private static final Logger LOG = LoggerFactory.getLogger(OvsdbMonitorCallback.class);
  23     private final InstanceIdentifierCodec instanceIdentifierCodec;
  24     private TransactionInvoker txInvoker;
  25     private OvsdbConnectionInstance key;
  26     private AtomicBoolean intialUpdate = new AtomicBoolean(false);
  27
  28     OvsdbMonitorCallback(InstanceIdentifierCodec instanceIdentifierCodec, OvsdbConnectionInstance key,
  29             TransactionInvoker txInvoker) {
  30         this.instanceIdentifierCodec = instanceIdentifierCodec;
  31         this.txInvoker = txInvoker;
  32         this.key = key;
  33     }
  34
  35     @Override
  36     public void update(TableUpdates result, DatabaseSchema dbSchema) {
  37         boolean isFirstUpdate = intialUpdate.compareAndSet(false, true);
  38         txInvoker.invoke(new OvsdbOperationalCommandAggregator(instanceIdentifierCodec, key, result,
  39                 dbSchema, isFirstUpdate));
  40         LOG.trace("Updated dbSchema: {} and result: {}", dbSchema, result);
  41     }
  42
  43     @Override
  44     public void exception(Throwable exception) {
  45         LOG.warn("exception", exception);
  46     }
  47
  48 }