Package org.lsst.ccs.bus

This package deals with standard messages for the CCS buses.

See: Description

Interface Summary

Interface	Description
AlarmMessage
BusPayload	Marker interface of all messages on the buses.
CommandBusMessage
CommandExecutor
SubsystemToken	an interface by with a Subsystem marks its presence on the bus: start of a subsystem, end or response to a pint.

Class Summary

Class	Description
Alarm
AlarmClear	An alarm cleared message that can be sent on the status bus
AlarmOnStateChange
Bus<T extends BusPayload>	Bus definitions.
BusMessage	Generic abstract bus message class Concrete implementations (command, status, logevent) will be sent on the appropriate bus.
Command	A command sent on the CCS bus.
CommandAck
CommandAckOrReply
CommandReply	Reply to command.
DataCapsule	a Simplified Marshalled Object.
DataStatus_Deprecated	Status with additional information.
DataValueNotification	this class is to replace ValueNotification which is temporarily kept for compatibility.
EncodedDataStatus	Status with additional information.
KeyData	A key-value pair.
KeyData.CodedData	the value of data can be of a "well known type" (known to everybody) and so is coded directly otherwise it is encoded in a CodedData object.
KVList
LogEvent	Logging event to be sent on logging bus.
MetadataStatus	A special status publishing a name/value pair on the status bus
ModuleConfigCommand	Deprecated
ModuleInvokerCommand	This can be used to send commands to a Modular Subsystem.
NegativeAck	An ack message to notify initiator of a command rejection.
ObjectNType	This class contains information about an object and it class.
PingCommand	A Command which is broadcast and should never be waited upon (asynchronous calls only).
PingStatus
PositiveAck
PreparedTrendingStatus
StateChangeNotification
Status	A Status message that can be sent on the status bus
StatusCodec	utilities to code/decode DataStatus_Deprecated.
StatusForEnd	Represents a special status message for notifications of the end of execution of susbsystem with name/configuration/tag.
StatusForStart	Represents a special status message for notifications of a startup with name/configuration/tag.
SubSystemStatus	A Status message that sends the heartbeat of a subsystem
SystemCommand	A Command intended for a Subsystem (and not meant to be specific to a Module)
TrendingStatus	A special status publishing a name/value pair on the status bus Though it extends DataStatus_Deprecated the main purpose is slightly different.
UnparsedCommand
ValueNotification

Enum Summary

Enum	Description
CommandReply.CommandStatus
DetailLevel	Detail level for status and log messages.
PriorityLevel	Message priority level

Exception Summary

Exception	Description
CommandRejectedException

Package org.lsst.ccs.bus Description

This package deals with standard messages for the CCS buses. Since all messages are serialized ti is important that all SerialVersionUID are known to everybody.