alluxio.worker.netty

Class FileReadHandler.FilePacketReader

java.lang.Object

alluxio.worker.netty.FileReadHandler.FilePacketReader

All Implemented Interfaces:

AbstractReadHandler.PacketReader<BlockReadRequest>, Closeable, AutoCloseable

Enclosing class:

FileReadHandler

@NotThreadSafe
public static final class FileReadHandler.FilePacketReader
extends Object
implements AbstractReadHandler.PacketReader<BlockReadRequest>

The packet reader to read from a local block worker.

Nested Class Summary

Nested classes/interfaces inherited from interface alluxio.worker.netty.AbstractReadHandler.PacketReader

AbstractReadHandler.PacketReader.Factory<T extends ReadRequest,P extends AbstractReadHandler.PacketReader<T>>

Method Summary

Modifier and Type	Method and Description
void	close()
DataBuffer	getDataBuffer(io.netty.channel.Channel channel, long offset, int len) Returns the appropriate DataBuffer representing the data to send, depending on the configurable transfer type.

Methods inherited from class java.lang.Object

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

Method Detail

getDataBuffer

public DataBuffer getDataBuffer(io.netty.channel.Channel channel,
                                long offset,
                                int len)
                         throws Exception

Description copied from interface: AbstractReadHandler.PacketReader

Returns the appropriate DataBuffer representing the data to send, depending on the configurable transfer type.

Specified by:

getDataBuffer in interface AbstractReadHandler.PacketReader<BlockReadRequest>

Parameters:

channel - the netty channel

offset - offset

len - The length, in bytes, of the data to read from the block

Returns:

a DataBuffer representing the data

Throws:

Exception

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException