org.apache.omid.tso

Interface TSOStateManager

All Known Implementing Classes:

TSOStateManagerImpl

public interface TSOStateManager

Allows to reset the TSO state and register observers for being notified when changes occur

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	TSOStateManager.StateObserver Allows implementors to receive the new state when changes occur
static class	TSOStateManager.TSOState Represents the state of the TSO

Method Summary

Modifier and Type	Method and Description
TSOStateManager.TSOState	initialize() Allows to initialize the state
void	register(TSOStateManager.StateObserver observer) Allows to register observers for receiving state changes
void	unregister(TSOStateManager.StateObserver observer) Allows to de-register observers for stopping receiving changes

Method Detail

register

void register(TSOStateManager.StateObserver observer)

Allows to register observers for receiving state changes

Parameters:

observer - the observer to register

unregister

void unregister(TSOStateManager.StateObserver observer)

Allows to de-register observers for stopping receiving changes

Parameters:

observer - the observer to unregister

initialize

TSOStateManager.TSOState initialize()
                             throws Exception

Allows to initialize the state

Returns:

the new state

Throws:

IOException - when problems resetting occur

InterruptedException

Exception