external/storm-kafka/src/jvm/org/apache/storm/kafka/KafkaConfig.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
 *
 * 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 org.apache.storm.kafka;

import java.io.Serializable;

import org.apache.storm.spout.MultiScheme;
import org.apache.storm.spout.RawMultiScheme;

import kafka.api.FetchRequest;

public class KafkaConfig implements Serializable {
    private static final long serialVersionUID = 5276718734571623855L;
    
    public final BrokerHosts hosts;
    public final String topic;
    public final String clientId;

    public int fetchSizeBytes = 1024 * 1024;
    public int socketTimeoutMs = 10000;
    public int fetchMaxWait = FetchRequest.DefaultMaxWait();
    public int bufferSizeBytes = 1024 * 1024;
    public MultiScheme scheme = new RawMultiScheme();
    public boolean ignoreZkOffsets = false;
    public long startOffsetTime = kafka.api.OffsetRequest.EarliestTime();
    public long maxOffsetBehind = Long.MAX_VALUE;
    public boolean useStartOffsetTimeIfOffsetOutOfRange = true;
    public int metricsTimeBucketSizeInSecs = 60;
    public int minFetchByte = FetchRequest.DefaultMinBytes();


    public KafkaConfig(BrokerHosts hosts, String topic) {
        this(hosts, topic, kafka.api.OffsetRequest.DefaultClientId());
    }

    public KafkaConfig(BrokerHosts hosts, String topic, String clientId) {
        this.hosts = hosts;
        this.topic = topic;
        this.clientId = clientId;
    }

}