SpoutConfig.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 org.apache.storm.kafka;

import java.io.Serializable;
import java.util.List;


public class SpoutConfig extends KafkaConfig implements Serializable {
  private static final long serialVersionUID = 6814635004761021338L;
  public List<String> zkServers = null;
  public Integer zkPort = null;
  public String zkRoot = null;
  public String id = null;

  public String outputStreamId;

  // setting for how often to save the current kafka offset to ZooKeeper
  public long stateUpdateIntervalMs = 2000;

  // Retry strategy for failed messages
  public String failedMsgRetryManagerClass = ExponentialBackoffMsgRetryManager.class.getName();

  // Exponential back-off retry settings.  These are used by ExponentialBackoffMsgRetryManager for
  // retrying messages after a bolt calls OutputCollector.fail(). These come into effect only if
  // ExponentialBackoffMsgRetryManager is being used.
  public long retryInitialDelayMs = 0;
  public double retryDelayMultiplier = 1.0;
  public long retryDelayMaxMs = 60 * 1000;
  public int retryLimit = -1;

  public SpoutConfig(BrokerHosts hosts, String topic, String zkRoot, String id) {
    super(hosts, topic);
    this.zkRoot = zkRoot;
    this.id = id;
  }
}