SUL (LearnLib 0.17.0 API)

Type Parameters:

I - input symbols

O - output symbols

All Known Subinterfaces:

ObservableSUL<S,I,O>, StateLocalInputSUL<I,O>, StatisticSUL<I,O>

All Known Implementing Classes:

AbstractContextExecutableInputSUL, ContextExecutableInputSUL, ExecutableInputSUL, MappedSUL, MealySimulatorSUL, ObservableMealySimulatorSUL, ResetCounterObservableSUL, ResetCounterStateLocalInputSUL, ResetCounterSUL, SimplePOJOTestDriver, SLICounterStateLocalInputSUL, StateLocalInputMealySimulatorSUL, StateLocalInputSULCache, SULCache, SymbolCounterObservableSUL, SymbolCounterStateLocalInputSUL, SymbolCounterSUL, ThreadSafeStateLocalInputSULCache, ThreadSafeSULCache
```
public interface SUL<I,O>
```
Interface for a system under learning (SUL) that can make single steps.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`canFork()`	Returns whether this SUL is capable of `forking`.
`default SUL<I,O>`	`fork()`	Forks this SUL, if possible.
`void`	`post()`	shut down SUL.
`void`	`pre()`	setup SUL.
`O`	`step(I in)`	make one step on the SUL.

- Method Detail
  - pre
```
void pre()
```
    setup SUL.
  - post
```
void post()
```
    shut down SUL.
  - step
```
O step(I in)
```
    make one step on the SUL.
    
    Parameters:
    
    in - input to the SUL
    
    Returns:
    
    output of SUL
    
    Throws:
    
    SULException - if the input symbol cannot be executed on the SUL
  - canFork
```
default boolean canFork()
```
    Returns whether this SUL is capable of forking.
    
    Returns:
    
    true if this SUL can be forked, false otherwise
    
    See Also:
    
    fork()
  - fork
```
default SUL<I,O> fork()
```
    Forks this SUL, if possible. The fork of a SUL is a copy which behaves exactly the same as this SUL. This method should always return a reseted SUL, regardless of whether this call is made between a call to pre() and post().
    If canFork() returns true, this method must return a non-null object, which should behave exactly like this SUL (in particular, it must be forkable as well). Otherwise, a UnsupportedOperationException must be thrown.
    Implementation note: if resetting a SUL changes the internal state of this object in a non-trivial way (e.g., incrementing a counter to ensure independent sessions), care must be taken that forks of this SUL manipulate the same internal state.
    
    Returns:
    
    a fork of this SUL.
    
    Throws:
    
    UnsupportedOperationException - if this SUL can't be forked.