com.amazonaws.services.s3.transfer.internal

クラス TransferManagerUtils

java.lang.Object

com.amazonaws.services.s3.transfer.internal.TransferManagerUtils

public class TransferManagerUtils
extends java.lang.Object

Internal utilities for multipart uploads with TransferManager.

コンストラクタの概要

コンストラクタ

コンストラクタと説明
TransferManagerUtils()

メソッドの概要

メソッド

修飾子とタイプ	メソッドと説明
static long	calculateOptimalPartSize(PutObjectRequest putObjectRequest, TransferManagerConfiguration configuration) Returns the optimal part size, in bytes, for each individual part upload in a multipart upload.
static java.util.concurrent.ThreadPoolExecutor	createDefaultExecutorService() Returns a new thread pool configured with the default settings.
static long	getContentLength(PutObjectRequest putObjectRequest) Returns the size of the data in this request, otherwise -1 if the content length is unknown.
static java.io.File	getRequestFile(PutObjectRequest putObjectRequest) Convenience method for getting the file specified in a request.
static boolean	isUploadParallelizable(PutObjectRequest putObjectRequest, boolean isUsingEncryption) Returns true if the specified upload request can use parallel part uploads for increased performance.
static boolean	shouldUseMultipartUpload(PutObjectRequest putObjectRequest, TransferManagerConfiguration configuration) Returns true if the the specified request should be processed as a multipart upload (instead of a single part upload).

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

TransferManagerUtils

public TransferManagerUtils()

メソッドの詳細

createDefaultExecutorService

public static java.util.concurrent.ThreadPoolExecutor createDefaultExecutorService()

Returns a new thread pool configured with the default settings.

戻り値:

A new thread pool configured with the default settings.

isUploadParallelizable

public static boolean isUploadParallelizable(PutObjectRequest putObjectRequest,
                             boolean isUsingEncryption)

Returns true if the specified upload request can use parallel part uploads for increased performance.

パラメータ:

putObjectRequest - The request to check.

isUsingEncryption - True if the upload is an encrypted upload, otherwise false.

戻り値:

True if this request can use parallel part uploads for faster uploads.

getContentLength

public static long getContentLength(PutObjectRequest putObjectRequest)

Returns the size of the data in this request, otherwise -1 if the content length is unknown.

パラメータ:

putObjectRequest - The request to check.

戻り値:

The size of the data in this request, otherwise -1 if the size of the data is unknown.

calculateOptimalPartSize

public static long calculateOptimalPartSize(PutObjectRequest putObjectRequest,
                            TransferManagerConfiguration configuration)

Returns the optimal part size, in bytes, for each individual part upload in a multipart upload.

パラメータ:

putObjectRequest - The request containing all the details of the upload.

configuration - Configuration values to use when calculating size.

戻り値:

The optimal part size, in bytes, for each individual part upload in a multipart upload.

shouldUseMultipartUpload

public static boolean shouldUseMultipartUpload(PutObjectRequest putObjectRequest,
                               TransferManagerConfiguration configuration)

Returns true if the the specified request should be processed as a multipart upload (instead of a single part upload).

パラメータ:

putObjectRequest - The request containing all the details of the upload.

configuration - Configuration settings controlling how transfer manager processes requests.

戻り値:

True if the the specified request should be processed as a multipart upload.

getRequestFile

public static java.io.File getRequestFile(PutObjectRequest putObjectRequest)

Convenience method for getting the file specified in a request.