org.gcube.smartgears.lifecycle
Interface Lifecycle<S extends State<S>>

All Known Implementing Classes:

ApplicationLifecycle, ContainerLifecycle, DefaultLifecycle

public interface Lifecycle<S extends State<S>>

The lifecycle of an application managed as a gCube service.

Author:

Fabio Simeoni

Method Summary

void	moveTo(S state) Transition this lifecycle to a given state.
S	previous() Returns the state from which this lifecycle transitioned to its current state.
S	state() Returns the current state of this lifecycle.
boolean	tryMoveTo(S state) Attempts to transition this lifecycle to a given state, but does not fail if the transition is illegal for this lifecycle.

Method Detail

previous

S previous()

Returns the state from which this lifecycle transitioned to its current state.

Returns:

the previous state

state

S state()

Returns the current state of this lifecycle.

Returns:

the current state.

moveTo

void moveTo(S state)

Transition this lifecycle to a given state.

Parameters:

state - the state

Throws:

IllegalStateException - if the transition is illegal for this lifecycle

tryMoveTo

boolean tryMoveTo(S state)

Attempts to transition this lifecycle to a given state, but does not fail if the transition is illegal for this lifecycle.

Parameters:

state - the state

Returns:

true if this lifecycle has transitioned to the given state