com.hotels.bdp.circustrain.s3mapreducecp.aws.S3MapreduceDataManipulatorFactory Maven / Gradle / Ivy

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/**
 * Copyright (C) ${license.git.copyrightYears} Expedia, Inc.
 *
 * Licensed 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.hotels.bdp.circustrain.s3mapreducecp.aws;

import java.util.Map;

import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Profile;
import org.springframework.core.Ordered;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import com.hotels.bdp.circustrain.api.Modules;
import com.hotels.bdp.circustrain.api.data.DataManipulator;
import com.hotels.bdp.circustrain.api.data.DataManipulatorFactory;
import com.hotels.bdp.circustrain.aws.S3DataManipulator;
import com.hotels.bdp.circustrain.aws.S3Schemes;

@Profile({ Modules.REPLICATION })
@Component
@Order(Ordered.LOWEST_PRECEDENCE - 1)
public class S3MapreduceDataManipulatorFactory implements DataManipulatorFactory {

  private AwsS3ClientFactory s3ClientFactory;

  private Configuration conf;

  @Autowired
  public S3MapreduceDataManipulatorFactory(@Value("#{replicaHiveConf}") Configuration conf) {
    this.conf = conf;
    s3ClientFactory = new AwsS3ClientFactory();
  }

  // The HDFS -> S3 data manipulator doesn't need to use the path for the client.
  @Override
  public DataManipulator newInstance(Path path, Map copierOptions) {
    return new S3DataManipulator(s3ClientFactory.newInstance(conf));
  }

  /**
   * Supports copying from HDFS to S3.
   */
  @Override
  public boolean supportsSchemes(String sourceScheme, String replicaScheme) {
    return !S3Schemes.isS3Scheme(sourceScheme) && S3Schemes.isS3Scheme(replicaScheme);
  }

}