com.hp.hpl.jena.sparql.syntax
Class Element

java.lang.Object
  com.hp.hpl.jena.sparql.syntax.Element

Direct Known Subclasses:

Element1, ElementAssign, ElementBind, ElementDataset, ElementFetch, ElementFilter, ElementGroup, ElementMinus, ElementNamedGraph, ElementOptional, ElementPathBlock, ElementService, ElementSubQuery, ElementTriplesBlock, ElementUnion

public abstract class Element
extends Object

Element - abstract class for all pattern elements

Constructor Summary

Element()

Method Summary

boolean	equals(Object el2)
abstract boolean	equalTo(Element el2, NodeIsomorphismMap isoMap)
abstract int	hashCode()
String	toString()
Set<Var>	varsMentioned()
abstract void	visit(ElementVisitor v)

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Element

public Element()

Method Detail

varsMentioned

public Set<Var> varsMentioned()

visit

public abstract void visit(ElementVisitor v)

hashCode

public abstract int hashCode()

Overrides:

hashCode in class Object

equalTo

public abstract boolean equalTo(Element el2,
                                NodeIsomorphismMap isoMap)

equals

public final boolean equals(Object el2)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object