DriverListener.java example

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Flume-Hive-master
/**
 * Licensed to Cloudera, Inc. under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  Cloudera, Inc. licenses this file
 * to you 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.
 */
package com.cloudera.flume.core;

/**
 * This listener allows other objects to react when a connector starts, stops or
 * bails on an error.
 */
public interface DriverListener {
  public void fireStarted(Driver c);

  public void fireStopped(Driver c);

  public void fireError(Driver c, Exception e);

  public static class Base implements DriverListener {
    @Override
    public void fireError(Driver c, Exception e) {
    }

    @Override
    public void fireStarted(Driver c) {
    }

    @Override
    public void fireStopped(Driver c) {
    }
  }
}