AbstractDatabusBootstrapConsumer.java

package com.linkedin.databus.client.consumer;
/*
 *
 * Copyright 2013 LinkedIn Corp. All rights reserved
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
*/


import org.apache.avro.Schema;

import com.linkedin.databus.client.pub.ConsumerCallbackResult;
import com.linkedin.databus.client.pub.DatabusBootstrapConsumer;
import com.linkedin.databus.client.pub.DbusEventDecoder;
import com.linkedin.databus.client.pub.SCN;
import com.linkedin.databus.core.DbusEvent;

/**
 * Provides default implementations for all {@link DatabusBootstrapConsumer} methods. Real
 * implementations can override only the methods they care about.
 * @author cbotev
 *
 */
public class AbstractDatabusBootstrapConsumer implements DatabusBootstrapConsumer
{
  private final ConsumerCallbackResult _defaultAnswer;

  protected AbstractDatabusBootstrapConsumer(ConsumerCallbackResult defaultAnswer)
  {
    _defaultAnswer = defaultAnswer;
  }

  protected AbstractDatabusBootstrapConsumer()
  {
    this(ConsumerCallbackResult.SUCCESS);
  }

  @Override
  public ConsumerCallbackResult onEndBootstrapSequence(SCN endScn)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onEndBootstrapSource(String name, Schema sourceSchema)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onBootstrapCheckpoint(SCN batchCheckpointScn)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onBootstrapEvent(DbusEvent e, DbusEventDecoder eventDecoder)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onBootstrapRollback(SCN batchCheckpointScn)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onStartBootstrap()
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onStartBootstrapSequence(SCN startScn)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onStartBootstrapSource(String name, Schema sourceSchema)
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onStopBootstrap()
  {
    return _defaultAnswer;
  }

  @Override
  public ConsumerCallbackResult onBootstrapError(Throwable err)
  {
    return _defaultAnswer;
  }

}