org.apache.asn1new.ber.grammar
Class GrammarTransition

java.lang.Object
  org.apache.asn1new.ber.grammar.GrammarTransition

public class GrammarTransition
extends java.lang.Object

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

Author:

Apache Directory Project

Field Summary

private GrammarAction	action The action associated to the transition
private int	currentState The current state
private int	nextState The next state in the grammar

Constructor Summary

GrammarTransition(int currentState, int nextState, GrammarAction action)
Creates a new GrammarTransition object.

Method Summary

GrammarAction	getAction()
int	getNextState()
boolean	hasAction() Tells if the transition has an associated action.
java.lang.String	toString(int grammar, IStates statesEnum)

Methods inherited from class java.lang.Object

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

Field Detail

nextState

private int nextState

The next state in the grammar

action

private GrammarAction action

The action associated to the transition

currentState

private int currentState

The current state

Constructor Detail

GrammarTransition

public GrammarTransition(int currentState,
                         int nextState,
                         GrammarAction action)

Creates a new GrammarTransition object.

Parameters:

currentState - The current transition

nextState - The target state

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

Method Detail

getNextState

public int getNextState()

Returns:

Returns the target state.

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 GrammarAction getAction()

Returns:

Returns the action associated with the transition

toString

public java.lang.String toString(int grammar,
                                 IStates statesEnum)

Parameters:

grammar - The grammar which state we want a String from

Returns:

A representation of the transition as a string.