TimestampDataPublisherWithHiveRegistration.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.publisher;

import java.io.IOException;
import java.util.Collection;
import org.apache.hadoop.fs.Path;
import gobblin.configuration.ConfigurationKeys;
import gobblin.configuration.State;
import gobblin.configuration.WorkUnitState;


/**
 * Wrapper for {@link TimestampDataPublisher} to publish with {@link HiveRegistrationPublisher} afterwards.
 */
public class TimestampDataPublisherWithHiveRegistration extends TimestampDataPublisher {

  private final HiveRegistrationPublisher hivePublisher;

  public TimestampDataPublisherWithHiveRegistration(State state) throws IOException {
    super(state);
    this.hivePublisher = this.closer.register(new HiveRegistrationPublisher(state));
  }

  @Override
  public void publish(Collection<? extends WorkUnitState> states) throws IOException {
    super.publish(states);

    // PUBLISHER_DIRS key must be updated for HiveRegistrationPublisher
    for (Path path : this.publisherOutputDirs) {
      this.state.appendToSetProp(ConfigurationKeys.PUBLISHER_DIRS, path.toString());
    }

    this.hivePublisher.publish(states);
  }
}