Uses of Package
org.lsst.ccs.messaging

Classes in org.lsst.ccs.messaging used by org.lsst.ccs.messaging

Class and Description
AgentMessagingLayer This interface provides messaging methods for a component (eg an agent) to be able to communicate on the buses.
AgentMessagingLayer.ConnectionStatus
AgentMessagingLayerMBean MBean to interact with the messaging layer.
AgentPresenceListener Agents that implement this interface are notified when an agent is connecting or has disconnected on the status bus
AgentPresenceManager Tracks agent connection and disconnection on the buses.
AgentPresenceManager.AgentPresenceState
BusMessageForwarder A BusMessageForwarder receives a BusMessage from the transport layer and passes it to registered MessageListener.
BusMessagePreProcessor Interface to be implemented by Agent Services that wish to modify the content of an incoming BusMessage.
BusMessagingLayer Interface defining the access to the Transport Layer of Buses
ClusterDeserializationErrorHandler Handler for messaging deserialization errors.
ClusterDisconnectionsListener An interface to receive notifications when the cluster membership changes when members leave.
CommandExecutor The Command executor receives a command and executes it.
CommandMessageListener Interface to be implemented by listeners that wish to be notified of messages received on the command bus.
CommandOriginator Originator of a command.
DuplicateAgentNameException This exception is thrown when an agent tries to connect with a non unique name.
LockLevelService Interface for finding lock and level for an agent at the AgentMessagingLayer.
LogMessageListener Interface to be implemented by listeners that wish to be notified of messages received on the LOG bus.
MessageListener Marker interface to be implemented by bus message listeners.
MessagingAccessLayer Entry point for receiving messages from the buses.
MessagingAccessLayer.BusAccess Handler for processing received messages.
MessagingLayer Interface providing methods to connect/disconnect MessagingAccessLayer objects to/from the CCS buses and to send messages over the buses.
NetworkUtilities
StateBundleAggregator.Observer
StatusMessageListener Interface to be implemented by listeners that wish to be notified of messages received on the status bus.
TransportException