Package com.sun.tools.rngom.digested

Class DPattern

java.lang.Object

com.sun.tools.rngom.digested.DPattern

All Implemented Interfaces:

ParsedPattern

Direct Known Subclasses:

DContainerPattern, DDataPattern, DEmptyPattern, DGrammarPattern, DNotAllowedPattern, DRefPattern, DTextPattern, DUnaryPattern, DValuePattern

public abstract class DPattern
extends Object
implements ParsedPattern

Base class of all the patterns.

Author:

Kohsuke Kawaguchi (kk@kohsuke.org)

Constructor Summary

Constructors

Constructor	Description
DPattern()

Method Summary

Modifier and Type	Method	Description
abstract <V> V	accept(DPatternVisitor<V> visitor)
Parseable	createParseable()	Creates a Parseable object that reparses this pattern.
DAnnotation	getAnnotation()	Returns the annotation associated with it.
Locator	getLocation()	Returns where the pattern is defined in the source code.
final boolean	isAttribute()	Returns true if this is DAttributePattern.
final boolean	isElement()	Returns true if this is DElementPattern.
abstract boolean	isNullable()	Returns true if this pattern is nullable.

Methods inherited from class java.lang.Object

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

Constructor Details

DPattern

public DPattern()

Method Details

getLocation

public Locator getLocation()

Returns where the pattern is defined in the source code.

getAnnotation

public DAnnotation getAnnotation()

Returns the annotation associated with it.

Returns:

may be empty, but never be null.

isNullable

public abstract boolean isNullable()

Returns true if this pattern is nullable. A nullable pattern is a pattern that can match the empty sequence.

accept

public abstract <V> V accept(DPatternVisitor<V> visitor)

createParseable

public Parseable createParseable()

Creates a Parseable object that reparses this pattern.

isElement

public final boolean isElement()

Returns true if this is DElementPattern.

isAttribute

public final boolean isAttribute()

Returns true if this is DAttributePattern.