com.varankin.bnf
Class MetaIdentifier

java.lang.Object
  com.varankin.bnf.MetaIdentifier

All Implemented Interfaces:

SyntacticPrimary

public class MetaIdentifier
extends java.lang.Object
implements SyntacticPrimary

A meta-identifier consists of an ordered list of one or more meta-identifier-characters subject to the condition that the first meta-identifier-character is a letter.

Author:

© 2009 Nikolai Varankine

Constructor Summary

MetaIdentifier(java.util.Collection<MetaIdentifierCharacter> aString)

MetaIdentifier(MetaIdentifierCharacter... aString)

Method Summary

boolean	equals(java.lang.Object aMetaId)
int	hashCode()
SyntaxRule	rule()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MetaIdentifier

public MetaIdentifier(java.util.Collection<MetaIdentifierCharacter> aString)

Parameters:

aString - meta identifier characters finally comprising the identifier characters.

Throws:

java.lang.NullPointerException - if collection of meta identifier characters is null.

java.lang.IllegalArgumentException - if no one meta identifier character was supplied or first meta identifier character is not a letter.

MetaIdentifier

public MetaIdentifier(MetaIdentifierCharacter... aString)

Parameters:

aString - meta identifier characters finally comprising the identifier characters.

Throws:

java.lang.NullPointerException - if array of meta identifier characters is null.

java.lang.IllegalArgumentException - if no one meta identifier character was supplied or first meta identifier character is not a letter.

Method Detail

rule

public SyntaxRule rule()

Returns:

syntax rule implementing this meta identifier.

equals

public boolean equals(java.lang.Object aMetaId)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object