org.lsst.ccs

Interface StateChangeListener

public interface StateChangeListener

An internal listener to state changes. This interface is to be used by parties interested in being notified of a particular state change. StateChangeListeners are to be registered with an Agent by providing the list of states for which to be notified.

Author:

The LSST CCS Team

Method Summary

Modifier and Type	Method and Description
void	stateChanged(Enum newState, Enum oldState) This method is called back when there is a state change.

Method Detail

stateChanged

void stateChanged(Enum newState,
                  Enum oldState)

This method is called back when there is a state change.

Parameters:

newState - The new state.

oldState - The old state.