org.apache.directory.shared.asn1.ber.grammar

Class GrammarTransition

java.lang.Object

org.apache.directory.shared.asn1.ber.grammar.GrammarTransition

public class GrammarTransition
extends Object

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

Version:

$Rev: 664290 $, $Date: 2008-06-07 08:28:06 +0200(sab, 07 giu 2008) $

Author:

Apache Directory Project

Constructor Summary

Constructors

Constructor and Description
GrammarTransition(int previousState, int currentState, int currentTag, IAction action) Creates a new GrammarTransition object.

Method Summary

Modifier and Type	Method and Description
IAction	getAction()
int	getCurrentState()
int	getPreviousState()
boolean	hasAction() Tells if the transition has an associated action.
String	toString(IStates statesEnum)

Methods inherited from class java.lang.Object

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

Constructor Detail

GrammarTransition

public GrammarTransition(int previousState,
                         int currentState,
                         int currentTag,
                         IAction 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.

Method Detail

hasAction

public boolean hasAction()

Tells if the transition has an associated action.

Returns:

true if an action has been asociated to the transition

getAction

public IAction getAction()

Returns:

Returns the action associated with the transition

toString

public String toString(IStates statesEnum)

Parameters:

statesEnum - Starting state.

Returns:

A representation of the transition as a string.

getCurrentState

public int getCurrentState()

Returns:

The current state

getPreviousState

public int getPreviousState()

Returns:

The previous state