de.alpharogroup.design.pattern.state

Interface State<ST>

Type Parameters:

ST - the generic type of the state machine

All Known Subinterfaces:

WizardState<ST>

public interface State<ST>

The interface State represents a State.

Method Summary

Modifier and Type	Method and Description
default String	getName() Gets the simple name of this State object.
void	goNext(ST input) Go to the next State object.
void	goPrevious(ST input) Go to the previous State object.
default boolean	hasNext() Checks if this State object has a next State object.
default boolean	hasPrevious() Checks if this State object has a previous State object.
default boolean	isFirst() Checks if this State object is the first State object.
default boolean	isLast() Checks if this State object is the last State object.

Method Detail

getName

default String getName()

Gets the simple name of this State object.

Returns:

the simple name of this State object.

goNext

void goNext(ST input)

Go to the next State object.

Parameters:

input - the StateMachine object

goPrevious

void goPrevious(ST input)

Go to the previous State object.

Parameters:

input - the StateMachine object

hasNext

default boolean hasNext()

Checks if this State object has a next State object.

Returns:

true, if this State object has a next State object otherwise false.

hasPrevious

default boolean hasPrevious()

Checks if this State object has a previous State object.

Returns:

true, if this State object has a previous State object otherwise false.

isFirst

default boolean isFirst()

Checks if this State object is the first State object.

Returns:

true, if this State object is the first State object otherwise false.

isLast

default boolean isLast()

Checks if this State object is the last State object.

Returns:

true, if this State object is the last State object otherwise false.