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 /*
  * Copyright 2012-2015 Amazon.com, Inc. or its affiliates. All Rights Reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License").
  * You may not use this file except in compliance with the License.
  * A copy of the License is located at
  *
  *  http://aws.amazon.com/apache2.0
  *
 * or in the "license" file accompanying this file. This file 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.amazonaws.services.s3.transfer;
Represents an asynchronous download from Amazon S3.

See TransferManager for more information about creating transfers.

public interface Download extends Transfer {

    
Returns the ObjectMetadata for the object being downloaded.

Returns:
The ObjectMetadata for the object being downloaded.
    public ObjectMetadata getObjectMetadata();

    
The name of the bucket where the object is being downloaded from.

Returns:
The name of the bucket where the object is being downloaded from.
    public String getBucketName();

    
The key under which this object was stored in Amazon S3.

Returns:
The key under which this object was stored in Amazon S3.
    public String getKey();

    
Cancels this download.

    public void abort() throws IOException;

    
Pause the current download operation and returns the information that can be used to resume the download at a later time. Resuming a download would not perform ETag check as range get is performed for downloading the object's remaining contents. Resuming a download for an object encrypted using com.amazonaws.services.s3.model.CryptoMode.StrictAuthenticatedEncryption would result in AmazonClientException as authenticity cannot be guaranteed for a range get operation.

Throws:
com.amazonaws.services.s3.transfer.exception.PauseException If any errors were encountered while trying to pause the download.
    public PersistableDownload pause() throws PauseException;
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