Package uk.ac.manchester.spinnaker.messages.sdp

Class SpinnakerRequest

java.lang.Object

uk.ac.manchester.spinnaker.messages.sdp.SpinnakerRequest

All Implemented Interfaces:

SerializableMessage

Direct Known Subclasses:

SCPRequest, SDPMessage

public abstract class SpinnakerRequest
extends Object
implements SerializableMessage

Base class for sendable SDP-based messages. SDP-based messages are those messages that have an SDP header.

Author:

Donal Fellows

Field Summary

Fields

Modifier and Type	Field	Description
SDPHeader	sdpHeader	The SDP header of the message.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	SpinnakerRequest(SDPHeader sdpHeader)

Method Summary

Modifier and Type	Method	Description
ByteBuffer	getMessageData(HasChipLocation originatingChip)	Get a buffer holding the actual bytes of the message, ready to send.

Methods inherited from class java.lang.Object

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

Methods inherited from interface uk.ac.manchester.spinnaker.messages.SerializableMessage

addToBuffer

Field Details

sdpHeader

public final SDPHeader sdpHeader

The SDP header of the message.

Constructor Details

SpinnakerRequest

protected SpinnakerRequest(SDPHeader sdpHeader)

Parameters:

sdpHeader - The SDP header of the message.

Method Details

getMessageData

public final ByteBuffer getMessageData(HasChipLocation originatingChip)

Get a buffer holding the actual bytes of the message, ready to send. This also prepares this message to be actually sent, which involves setting the tag and source of the header to special marker values. This can only be called once per connection!

Parameters:

originatingChip - Where the message notionally originates from.

Returns:

The byte buffer.

Throws:

IllegalStateException - If a message is prepared for sending a second time.