com.hotels.bdp.circustrain.s3s3copier.aws.TransferManagerFactory Maven / Gradle / Ivy

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/**
 * Copyright (C) 2016-2020 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.s3s3copier.aws;


import java.util.concurrent.Executors;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;

import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.transfer.TransferManager;
import com.amazonaws.services.s3.transfer.TransferManagerBuilder;

import com.hotels.bdp.circustrain.s3s3copier.S3S3CopierOptions;

@Component
public class TransferManagerFactory {

  private static final Logger LOG = LoggerFactory.getLogger(TransferManagerFactory.class);

  public TransferManager newInstance(AmazonS3 targetS3Client, S3S3CopierOptions s3s3CopierOptions) {
    LOG
        .debug("Initializing transfer manager with {} threads.", s3s3CopierOptions.getMaxThreadPoolSize());

    return TransferManagerBuilder.standard()
        .withMultipartCopyThreshold(s3s3CopierOptions.getMultipartCopyThreshold())
        .withMultipartCopyPartSize(s3s3CopierOptions.getMultipartCopyPartSize())
        .withExecutorFactory(() -> Executors.newFixedThreadPool(s3s3CopierOptions.getMaxThreadPoolSize()))
        .withS3Client(targetS3Client)
        .build();
  }
}