Package org.apache.hadoop.fs.store

Class DataBlocks.BlockUploadData

java.lang.Object

org.apache.hadoop.fs.store.DataBlocks.BlockUploadData

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable

Enclosing class:

DataBlocks

public static final class DataBlocks.BlockUploadData
extends java.lang.Object
implements java.io.Closeable

The output information for an upload. It can be one of a file, an input stream or a byteArray. toByteArray() method to be used to convert the data into byte array to be done in this class as well. When closed, any stream is closed. Any source file is untouched.

Constructor Summary

Constructors

Constructor	Description
BlockUploadData(byte[] byteArray)	Constructor for byteArray upload data block.

Method Summary

Modifier and Type	Method	Description
void	close()	Close: closes any upload stream and byteArray provided in the constructor.
byte[]	toByteArray()	Convert to a byte array.

Methods inherited from class java.lang.Object

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

Constructor Detail

BlockUploadData

public BlockUploadData(byte[] byteArray)

Constructor for byteArray upload data block. File and uploadStream would be null.

Parameters:

byteArray - byteArray used to construct BlockUploadData.

Method Detail

toByteArray

public byte[] toByteArray()
                   throws java.io.IOException

Convert to a byte array. If the data is stored in a file, it will be read and returned. If the data was passed in via an input stream (which happens if the data is stored in a bytebuffer) then it will be converted to a byte array -which will then be cached for any subsequent use.

Returns:

byte[] after converting the uploadBlock.

Throws:

java.io.IOException - throw if an exception is caught while reading File/InputStream or closing InputStream.

close

public void close()
           throws java.io.IOException

Close: closes any upload stream and byteArray provided in the constructor.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.io.Closeable

Throws:

java.io.IOException - inherited exception.