org.lsst.ccs.subsystem.ocsbridge

Interface MCMLayer

All Known Implementing Classes:

MCMDirectLayer

public interface MCMLayer

A shim between the OCS bridge and the MCM. Can be implemented by direct (in-process) communication, or via the CCS buses.

Author:

tonyj

Method Summary

Modifier and Type	Method and Description
void	addEventListener(CCSEvent.CCSEventListener eventListener)
void	addStateChangeListener(State.StateChangeListener<Enum> stateChangeListener)
void	addStatusMessageListener(EventListener<org.lsst.ccs.bus.messages.StatusMessage> eventListener)
CCSCommand.CCSCommandResponse	execute(CCSCommand ccsCommand) Send a command to the MCM and get a response, which may include a NACK or other error
void	lock() Lock the MCM
void	removeEventListener(CCSEvent.CCSEventListener eventListener)
void	removeStateChangeListener(State.StateChangeListener<Enum> stateChangeListener)
void	removeStatusMessageListener(EventListener<org.lsst.ccs.bus.messages.StatusMessage> eventListener)
void	unlock() Unlock the MCM

Method Detail

execute

CCSCommand.CCSCommandResponse execute(CCSCommand ccsCommand)

Send a command to the MCM and get a response, which may include a NACK or other error

Parameters:

ccsCommand - The command to send

Returns:

The command response

lock

void lock()
   throws ExecutionException

Lock the MCM

Throws:

ExecutionException

unlock

void unlock()
     throws ExecutionException

Unlock the MCM

Throws:

ExecutionException

addStateChangeListener

void addStateChangeListener(State.StateChangeListener<Enum> stateChangeListener)

removeStateChangeListener

void removeStateChangeListener(State.StateChangeListener<Enum> stateChangeListener)

addEventListener

void addEventListener(CCSEvent.CCSEventListener eventListener)

removeEventListener

void removeEventListener(CCSEvent.CCSEventListener eventListener)

addStatusMessageListener

void addStatusMessageListener(EventListener<org.lsst.ccs.bus.messages.StatusMessage> eventListener)

removeStatusMessageListener

void removeStatusMessageListener(EventListener<org.lsst.ccs.bus.messages.StatusMessage> eventListener)