com.ibm.cloud.objectstorage.services.s3.transfer

Interface Upload

All Superinterfaces:

Transfer

All Known Implementing Classes:

UploadImpl

public interface Upload
extends Transfer

Represents an asynchronous upload to Amazon S3.

See TransferManager for more information about creating transfers.

See Also:

TransferManager.upload(String, String, java.io.File), TransferManager.upload(com.ibm.cloud.objectstorage.services.s3.model.PutObjectRequest)

Nested Class Summary

Nested classes/interfaces inherited from interface com.ibm.cloud.objectstorage.services.s3.transfer.Transfer

Transfer.TransferState

Method Summary

Modifier and Type	Method and Description
void	abort() Abort the current upload operation.
PersistableUpload	pause() Pause the current upload operation and returns the information that can be used to resume the upload.
PauseResult<PersistableUpload>	tryPause(boolean forceCancelTransfers) Tries to pause the current upload operation and returns the information that can be used to resume the upload.
UploadResult	waitForUploadResult() Waits for this upload to complete and returns the result of this upload.

Methods inherited from interface com.ibm.cloud.objectstorage.services.s3.transfer.Transfer

addProgressListener, addProgressListener, getDescription, getProgress, getState, isDone, removeProgressListener, removeProgressListener, waitForCompletion, waitForException

Method Detail

waitForUploadResult

UploadResult waitForUploadResult()
                          throws AmazonClientException,
                                 AmazonServiceException,
                                 InterruptedException

Waits for this upload to complete and returns the result of this upload. This is a blocking call. Be prepared to handle errors when calling this method. Any errors that occurred during the asynchronous transfer will be re-thrown through this method.

Returns:

The result of this transfer.

Throws:

AmazonClientException - If any errors were encountered in the client while making the request or handling the response.

AmazonServiceException - If any errors occurred in Amazon S3 while processing the request.

InterruptedException - If this thread is interrupted while waiting for the upload to complete.

pause

PersistableUpload pause()
                 throws PauseException

Pause the current upload operation and returns the information that can be used to resume the upload. Upload cannot be paused in the following cases.

• The data source is an input stream.
• Client side encryption is used.
• Server Side Encryption with customer provided key is used.
• Size of the file being uploaded is less than the TransferManagerConfiguration.getMultipartUploadThreshold().

In such cases, aborts the uploads and a PauseFailure exception is thrown

Returns:

An opaque token that holds some private state and can be used to resume a paused download operation.

Throws:

PauseException - If failed to pause the operation.

tryPause

PauseResult<PersistableUpload> tryPause(boolean forceCancelTransfers)

Tries to pause the current upload operation and returns the information that can be used to resume the upload. Upload cannot be paused in the following cases.

• The data source is an input stream.
• Client side encryption is used.
• Server Side Encryption with customer provided key is used.
• Size of the file being uploaded is less than the TransferManagerConfiguration.getMultipartUploadThreshold().

In such cases, aborts the uploads if forceCancelTransfers is set else No action is taken.

Parameters:

forceCancelTransfers - a boolean to forcefully abort the existing uploads if pause cannot be done.

Returns:

a result of pause operation.

abort

void abort()

Abort the current upload operation.