com.amazonaws.services.s3.transfer.Transfer Maven / Gradle / Ivy
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/*
* Copyright 2010-2015 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;
import com.amazonaws.AmazonClientException;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.event.ProgressListener;
/**
* Represents an asynchronous upload to or download from Amazon S3.
* Use this class to check a tranfer's progress,
* add listeners for progress events,
* check the state of a transfer,
* or wait for the transfer to complete.
*
* See {@link TransferManager} for more information about creating transfers.
*
* @see TransferManager#upload(String, String, java.io.File)
* @see TransferManager#upload(com.amazonaws.services.s3.model.PutObjectRequest)
* @deprecated These classes have been deprecated, please use the classes in the com.amazonaws.mobileconnectors namespace.
*/
public interface Transfer {
/**
* Enumeration of the possible transfer states.
*/
public static enum TransferState {
/** The transfer is waiting for resources to execute and has not started yet. */
Waiting,
/** The transfer is actively uploading or downloading and hasn't finished yet. */
InProgress,
/** The transfer completed successfully. */
Completed,
/** The transfer was canceled and did not complete successfully. */
Canceled,
/** The transfer failed. */
Failed;
}
/**
* Returns whether or not the transfer is finished (i.e. completed successfully,
* failed, or was canceled).
*
* @return Returns true if this transfer is finished (i.e. completed successfully,
* failed, or was canceled). Returns false if otherwise.
*/
public boolean isDone();
/**
* Waits for this transfer to complete. This is a blocking call; the current
* thread is suspended until this transfer completes.
*
* @throws AmazonClientException
* If any errors were encountered in the client while making the
* request or handling the response.
* @throws AmazonServiceException
* If any errors occurred in Amazon S3 while processing the
* request.
* @throws InterruptedException
* If this thread is interrupted while waiting for the transfer
* to complete.
*/
public void waitForCompletion()
throws AmazonClientException, AmazonServiceException, InterruptedException;
/**
* Waits for this transfer to finish and returns any error that occurred, or
* returns null if no errors occurred.
* This is a blocking call; the current thread
* will be suspended until this transfer either fails or completes
* successfully.
*
* @return Any error that occurred while processing this transfer.
* Otherwise returns null if no errors occurred.
*
* @throws InterruptedException
* If this thread is interrupted while waiting for the transfer
* to complete.
*/
public AmazonClientException waitForException() throws InterruptedException;
/**
* Returns a human-readable description of this transfer.
*
* @return A human-readable description of this transfer.
*/
public String getDescription();
/**
* Returns the current state of this transfer.
*
* @return The current state of this transfer.
*/
public TransferState getState();
/**
* Adds the specified progress listener to the list of listeners
* receiving updates about this transfer's progress.
*
* @param listener
* The progress listener to add.
*/
public void addProgressListener(ProgressListener listener);
/**
* Removes the specified progress listener from the list of progress
* listeners receiving updates about this transfer's progress.
*
* @param listener
* The progress listener to remove.
*/
public void removeProgressListener(ProgressListener listener);
/**
* Returns progress information about this transfer.
*
* @return The progress information about this transfer.
*/
public TransferProgress getProgress();
/**
* @deprecated Replaced by {@link #addProgressListener(ProgressListener)}
*/
@Deprecated
public void addProgressListener(com.amazonaws.services.s3.model.ProgressListener listener);
/**
* @deprecated Replaced by {@link #removeProgressListener(ProgressListener)}
*/
@Deprecated
public void removeProgressListener(com.amazonaws.services.s3.model.ProgressListener listener);
}