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