Package org.pipecraft.infra.storage.google_cs

Class SliceTransferJobDetails

java.lang.Object

org.pipecraft.infra.storage.google_cs.SliceTransferJobDetails

All Implemented Interfaces:

Closeable, AutoCloseable

public class SliceTransferJobDetails
extends Object
implements Closeable

Contains the details of a specific slice to be transferred, including the read/write handles. The read channel is created lazily when requested.

Author:

Oren Peer, Eyal Schneider

Constructor Summary

Constructors

Constructor	Description
SliceTransferJobDetails(com.google.cloud.storage.Blob readBlob, int chunkSize, SlicedTransferFileHandler targetFileHandler, long start, long length)

Method Summary

Modifier and Type	Method	Description
void	close()
long	getLength()
long	getPosition()
com.google.cloud.ReadChannel	getReadChannel()
SlicedTransferFileHandler	getTargetFileHandler()

Methods inherited from class java.lang.Object

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

Constructor Detail

SliceTransferJobDetails

public SliceTransferJobDetails(com.google.cloud.storage.Blob readBlob,
                               int chunkSize,
                               SlicedTransferFileHandler targetFileHandler,
                               long start,
                               long length)

Parameters:

readBlob - The blob to read from

chunkSize - The download chunk size to use

targetFileHandler - The handler for the file to write to. The same handler should be used in different jobs that refer to different slices of the same file.

start - The file position at which the slice reading should begin. Non-negative.

length - The size (in bytes) the reader should read

Method Detail

getReadChannel

public com.google.cloud.ReadChannel getReadChannel()

Returns:

the channel for reading data from

getTargetFileHandler

public SlicedTransferFileHandler getTargetFileHandler()

Returns:

The handler for the file to write to. The same handler should be used in different jobs that refer to different slices of the same file.

getPosition

public long getPosition()

Returns:

The file position at which the slice reader is begin;

getLength

public long getLength()

Returns:

The size (in bytes) the reader should read.

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException