org.moeaframework.util.grammar
Class Production

java.lang.Object
  org.moeaframework.util.grammar.Production

public class Production
extends Object

A context-free grammar production.

See Also:

ContextFreeGrammar, Rule, Symbol

Constructor Summary

Production()
Constructs an empty production.

Method Summary

void	add(Symbol symbol) Adds a symbol to this production.
Symbol	get(int index) Returns the symbol at the specified index.
int	size() Returns the number of symbols contained in this production.

Methods inherited from class java.lang.Object

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

Constructor Detail

Production

public Production()

Constructs an empty production. At least one symbol must be provided through the add(Symbol) method.

Method Detail

add

public void add(Symbol symbol)

Adds a symbol to this production.

Parameters:

symbol - the symbol to be added

size

public int size()

Returns the number of symbols contained in this production.

Returns:

the number of symbols contained in this production

get

public Symbol get(int index)

Returns the symbol at the specified index.

Parameters:

index - the index of the symbol to be returned

Returns:

the symbol at the specified index