org.jscsi.initiator.connection.state

Interface IState

All Known Implementing Classes:

CapacityRequestState, CapacityResponseState, GetConnectionsRequestState, LoginRequestState, LoginResponseState, LogoutRequestState, LogoutResponseState, ReadRequestState, ReadResponseState, SNACKRequestState, WriteFirstBurstState, WriteRequestState, WriteSecondBurstState, WriteSecondResponseState

public interface IState

IState

Each inherited state must implement this interface.

Author:

Volker Wildi

Method Summary

Modifier and Type	Method and Description
void	execute() This method is always invoked, when a request message must be send or response message must be received and then parsed.
Exception	isCorrect(ProtocolDataUnit protocolDataUnit) This method checks the correctness of the given ProtocolDataUnit instance within the current state of a connection.
boolean	nextStateFollowing() This method shows if another state is following this one.

Method Detail

execute

void execute()
      throws InternetSCSIException

This method is always invoked, when a request message must be send or response message must be received and then parsed.

Throws:

InternetSCSIException - if any violation of the iSCSI Standard (RfC3720) has emerged.

nextStateFollowing

boolean nextStateFollowing()

This method shows if another state is following this one.

Returns:

true, if another state must follow this state. Else an final state is reached.

isCorrect

Exception isCorrect(ProtocolDataUnit protocolDataUnit)

This method checks the correctness of the given ProtocolDataUnit instance within the current state of a connection.

Parameters:

protocolDataUnit - The ProtocolDataUnit instance to check.

Returns:

Exception if any problem occured with the PDU, null otherwise.