org.apache.mina.statemachine.transition

接口 Transition

所有已知实现类:

AbstractTransition, MethodTransition, NoopTransition

public interface Transition

The interface implemented by classes which need to react on transitions between states.

作者:

Apache MINA Project

方法概要

方法

限定符和类型	方法和说明
boolean	execute(Event event) Executes this Transition.
State	getNextState()

方法详细资料

execute

boolean execute(Event event)

Executes this Transition. It is the responsibility of this Transition to determine whether it actually applies for the specified Event. If this Transition doesn't apply nothing should be executed and false must be returned.

参数:

event - the current Event.

返回:

true if the Transition was executed, false otherwise.

getNextState

State getNextState()

返回:

the State which the StateMachine should move to if this Transition is taken and execute(Event) returns true. null if this Transition is a loopback Transition.