Package de.dlr.proseo.storagemgr.s3

Class S3AtomicFileDownloaderV2

java.lang.Object

de.dlr.proseo.storagemgr.s3.S3AtomicFileDownloaderV2

All Implemented Interfaces:

AtomicCommand<String>

public class S3AtomicFileDownloaderV2
extends Object
implements AtomicCommand<String>

S3 Atomic File Downloader

Author:

Denys Chaykovskiy

Constructor Summary

Constructors

Constructor	Description
S3AtomicFileDownloaderV2(software.amazon.awssdk.services.s3.S3AsyncClient s3AsyncClientV2, String bucket, String sourceFile, String targetFileOrDir, long maxCycles, long waitTime)	Constructor

Method Summary

Modifier and Type	Method	Description
String	execute()	Executes download of the file to s3
String	getCompletedInfo()	Gets information about completed atomic command (mostly for logs)
String	getFailedInfo()	Gets information about failed atomic command (mostly for logs)
String	getInfo()	Gets information about atomic command (mostly for logs)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

S3AtomicFileDownloaderV2

public S3AtomicFileDownloaderV2(software.amazon.awssdk.services.s3.S3AsyncClient s3AsyncClientV2,
 String bucket,
 String sourceFile,
 String targetFileOrDir,
 long maxCycles,
 long waitTime)

Constructor

Parameters:

s3AsyncClientV2 - s3 client V2 (asynchronous)

bucket - bucket

sourceFile - sourceFile

targetFileOrDir - target file or directory

maxCycles - max cycles

waitTime - wait time

Method Details

execute

public String execute()
               throws IOException

Executes download of the file to s3

Specified by:

execute in interface AtomicCommand<String>

Returns:

downloaded file name

Throws:

IOException - if atomic command was not successful

getInfo

public String getInfo()

Gets information about atomic command (mostly for logs)

Specified by:

getInfo in interface AtomicCommand<String>

Returns:

information about atomic command

getCompletedInfo

public String getCompletedInfo()

Gets information about completed atomic command (mostly for logs)

Specified by:

getCompletedInfo in interface AtomicCommand<String>

Returns:

information about completed atomic command

getFailedInfo

public String getFailedInfo()

Gets information about failed atomic command (mostly for logs)

Specified by:

getFailedInfo in interface AtomicCommand<String>

Returns:

information about failed atomic command