KafkaSimpleSource.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 gobblin.source.extractor.extract.kafka;

import gobblin.configuration.WorkUnitState;
import gobblin.source.extractor.Extractor;

import java.io.IOException;

/**
 * A {@link KafkaSource} implementation for SimpleKafkaExtractor.
 *
 * @author akshay@nerdwallet.com
 *
 * @deprecated use {@link KafkaDeserializerSource} and {@link KafkaDeserializerExtractor.Deserializers#BYTE_ARRAY} instead
 */
public class KafkaSimpleSource extends KafkaSource<String, byte[]> {
  /**
   * Get an {@link Extractor} based on a given {@link WorkUnitState}.
   * <p>
   * The {@link Extractor} returned can use {@link WorkUnitState} to store arbitrary key-value pairs
   * that will be persisted to the state store and loaded in the next scheduled job run.
   * </p>
   *
   * @param state a {@link WorkUnitState} carrying properties needed by the returned {@link Extractor}
   * @return an {@link Extractor} used to extract schema and data records from the data source
   * @throws IOException if it fails to create an {@link Extractor}
   */
  @Override
  public Extractor<String, byte[]> getExtractor(WorkUnitState state) throws IOException {
    return new KafkaSimpleExtractor(state);
  }
}