org.dcache.xrootd.stream

Class AbstractChunkedReadResponse

java.lang.Object

org.dcache.xrootd.stream.AbstractChunkedReadResponse

All Implemented Interfaces:

ChunkedResponse

Direct Known Subclasses:

ChunkedFileChannelReadResponse

public abstract class AbstractChunkedReadResponse
extends Object
implements ChunkedResponse

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isEndOfInput
protected int	length
protected int	maxFrameSize
protected long	position
protected ReadRequest	request

Constructor Summary

Constructors

Constructor and Description
AbstractChunkedReadResponse(ReadRequest request, int maxFrameSize)

Method Summary

Modifier and Type	Method and Description
void	close() Releases the resources associated with the stream.
XrootdRequest	getRequest() Returns the request this is a response to.
boolean	isEndOfInput() Return true if and only if there is no data left in the stream and the stream has reached its end.
ReadResponse	nextChunk(io.netty.buffer.ByteBufAllocator alloc) Fetches a chunk from the stream.
protected abstract io.netty.buffer.ByteBuf	read(io.netty.buffer.ByteBufAllocator alloc, long srcIndex, int length)

Methods inherited from class java.lang.Object

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

Field Detail

request

protected final ReadRequest request

maxFrameSize

protected final int maxFrameSize

position

protected long position

length

protected int length

isEndOfInput

protected boolean isEndOfInput

Constructor Detail

AbstractChunkedReadResponse

public AbstractChunkedReadResponse(ReadRequest request,
                                   int maxFrameSize)

Method Detail

getRequest

public XrootdRequest getRequest()

Description copied from interface: ChunkedResponse

Returns the request this is a response to.

Specified by:

getRequest in interface ChunkedResponse

nextChunk

public ReadResponse nextChunk(io.netty.buffer.ByteBufAllocator alloc)
                       throws Exception

Description copied from interface: ChunkedResponse

Fetches a chunk from the stream.

Specified by:

nextChunk in interface ChunkedResponse

Returns:

the fetched chunk

Throws:

Exception

read

protected abstract io.netty.buffer.ByteBuf read(io.netty.buffer.ByteBufAllocator alloc,
                                                long srcIndex,
                                                int length)
                                         throws IOException

Throws:

IOException

isEndOfInput

public boolean isEndOfInput()
                     throws Exception

Description copied from interface: ChunkedResponse

Return true if and only if there is no data left in the stream and the stream has reached its end.

Specified by:

isEndOfInput in interface ChunkedResponse

Throws:

Exception

close

public void close()
           throws Exception

Description copied from interface: ChunkedResponse

Releases the resources associated with the stream.

Specified by:

close in interface ChunkedResponse

Throws:

Exception