org.apache.qpid.framing

Class AMQDataBlock

java.lang.Object

org.apache.qpid.framing.AMQDataBlock

All Implemented Interfaces:

EncodableAMQDataBlock

Direct Known Subclasses:

AMQFrame, CompositeAMQDataBlock, ProtocolInitiation

public abstract class AMQDataBlock
extends Object
implements EncodableAMQDataBlock

A data block represents something that has a size in bytes and the ability to write itself to a byte buffer (similar to a byte array).

Constructor Summary

Constructors

Constructor and Description
AMQDataBlock()

Method Summary

Methods

Modifier and Type	Method and Description
abstract long	getSize() Get the size of buffer needed to store the byte representation of this frame.
abstract long	writePayload(ByteBufferSender sender)
abstract void	writePayload(DataOutput buffer) Writes the datablock to the specified buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

AMQDataBlock

public AMQDataBlock()

Method Detail

getSize

public abstract long getSize()

Get the size of buffer needed to store the byte representation of this frame.

Returns:

unsigned integer

writePayload

public abstract void writePayload(DataOutput buffer)
                           throws IOException

Writes the datablock to the specified buffer.

Parameters:

buffer - the buffer to write to

Throws:

IOException - if there is a problem writing the output

writePayload

public abstract long writePayload(ByteBufferSender sender)
                           throws IOException

Throws:

IOException