Package com.sun.tools.rngom.binary

Class Pattern

java.lang.Object

com.sun.tools.rngom.binary.Pattern

All Implemented Interfaces:

ParsedPattern

Direct Known Subclasses:

AttributePattern, BinaryPattern, DataPattern, ElementPattern, EmptyPattern, ErrorPattern, ListPattern, NotAllowedPattern, OneOrMorePattern, RefPattern, TextPattern, ValuePattern

public abstract class Pattern
extends Object
implements ParsedPattern

Method Summary

Modifier and Type	Method	Description
abstract void	accept(PatternVisitor visitor)
abstract Object	apply(PatternFunction f)
final boolean	isNullable()	Returns true if the pattern is nullable.

Methods inherited from class java.lang.Object

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

Method Details

isNullable

public final boolean isNullable()

Returns true if the pattern is nullable.

A pattern is nullable when it can match the empty sequence.

accept

public abstract void accept(PatternVisitor visitor)

apply

public abstract Object apply(PatternFunction f)