Transition (Interacto Java API 4.2 API)

java.lang.Object
- io.github.interacto.fsm.Transition<E>

Type Parameters:

E - The type of events the FSM processes.

Direct Known Subclasses:

SubFSMTransition, TimeoutTransition, WidgetTransition
```
public abstract class Transition<E>
extends Object
```
The base implementation of a FSM transition.

Field Summary

Fields
Modifier and Type Field Description

protected OutputState<E> src

protected InputState<E> tgt

Constructor Summary

Constructors
Modifier Constructor Description

protected Transition(OutputState<E> srcState, InputState<E> tgtState)
Creates the transition.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected abstract boolean`	`accept(E event)`
`protected void`	`action(E event)`
`Optional<InputState<E>>`	`execute(E event)`	Executes the transition.
`abstract Set<Object>`	`getAcceptedEvents()`
`protected abstract boolean`	`isGuardOK(E event)`
`void`	`uninstall()`	Clean the transition when not used anymore.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - src
```
protected final OutputState<E> src
```
  - tgt
```
protected final InputState<E> tgt
```
- Constructor Detail
  - Transition
```
protected Transition(OutputState<E> srcState,
                     InputState<E> tgtState)
```
    Creates the transition.
    
    Parameters:
    
    srcState - The source state of the transition.
    
    tgtState - The output state of the transition.
    
    Throws:
    
    IllegalArgumentException - If one of the states is null.
- Method Detail
  - execute
```
public Optional<InputState<E>> execute(E event)
                                throws CancelFSMException
```
    Executes the transition.
    
    Parameters:
    
    event - The event to process.
    
    Returns:
    
    The potential output state.
    
    Throws:
    
    CancelFSMException - If the execution cancels the FSM execution.
  - action
```
protected void action(E event)
```
  - accept
```
protected abstract boolean accept(E event)
```
  - isGuardOK
```
protected abstract boolean isGuardOK(E event)
```
  - getAcceptedEvents
```
public abstract Set<Object> getAcceptedEvents()
```
    Returns:
    
    The set of events accepted by the transition.
  - uninstall
```
public void uninstall()
```
    Clean the transition when not used anymore.