Package org.apache.directory.api.asn1.ber.grammar

Class GrammarTransition<C extends Asn1Container>

java.lang.Object

org.apache.directory.api.asn1.ber.grammar.GrammarTransition<C>

Type Parameters:

C - The container type

public class GrammarTransition<C extends Asn1Container>
extends Object

Define a transition between two states of a grammar. It stores the next state, and the action to execute while executing the transition.

Author:

Apache Directory Project

Field Summary

Fields

Modifier and Type	Field	Description
private Action<C>	action	The action associated to the transition
private Enum<?>	currentState	The current state
private int	currentTag	The current tag
private Enum<?>	previousState	The previous state

Constructor Summary

Constructors

Constructor	Description
GrammarTransition(Enum<?> previousState, Enum<?> currentState, int currentTag)	Creates a new GrammarTransition object.
GrammarTransition(Enum<?> previousState, Enum<?> currentState, int currentTag, Action<C> action)	Creates a new GrammarTransition object.
GrammarTransition(Enum<?> previousState, Enum<?> currentState, UniversalTag currentTag)	Creates a new GrammarTransition object.
GrammarTransition(Enum<?> previousState, Enum<?> currentState, UniversalTag currentTag, Action<C> action)	Creates a new GrammarTransition object.

Method Summary

Modifier and Type	Method	Description
Action<C>	getAction()
Enum<?>	getCurrentState()
Enum<?>	getPreviousState()
boolean	hasAction()	Tells if the transition has an associated action.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

action

private Action<C extends Asn1Container> action

The action associated to the transition

previousState

private Enum<?> previousState

The previous state

currentState

private Enum<?> currentState

The current state

currentTag

private int currentTag

The current tag

Constructor Detail

GrammarTransition

public GrammarTransition(Enum<?> previousState,
                         Enum<?> currentState,
                         int currentTag,
                         Action<C> action)

Creates a new GrammarTransition object.

Parameters:

previousState - the previous state

currentState - The current state

currentTag - the current TLV's tag

action - The action to execute. It could be null.

GrammarTransition

public GrammarTransition(Enum<?> previousState,
                         Enum<?> currentState,
                         int currentTag)

Creates a new GrammarTransition object.

Parameters:

previousState - the previous state

currentState - The current state

currentTag - the current TLV's tag

GrammarTransition

public GrammarTransition(Enum<?> previousState,
                         Enum<?> currentState,
                         UniversalTag currentTag,
                         Action<C> action)

Creates a new GrammarTransition object.

Parameters:

previousState - the previous state

currentState - The current state

currentTag - the current TLV's tag

action - The action to execute. It could be null.

GrammarTransition

public GrammarTransition(Enum<?> previousState,
                         Enum<?> currentState,
                         UniversalTag currentTag)

Creates a new GrammarTransition object.

Parameters:

previousState - the previous state

currentState - The current state

currentTag - the current TLV's tag

Method Detail

hasAction

public boolean hasAction()

Tells if the transition has an associated action.

Returns:

true if an action has been associated to the transition

getAction

public Action<C> getAction()

Returns:

Returns the action associated with the transition

getCurrentState

public Enum<?> getCurrentState()

Returns:

The current state

getPreviousState

public Enum<?> getPreviousState()

Returns:

The previous state

toString

public String toString()

Overrides:

toString in class Object

Returns:

A representation of the transition as a string.