org.ontoware.rdf2go.model.node

Class Variable

java.lang.Object

org.ontoware.rdf2go.model.node.Variable

All Implemented Interfaces:

Serializable, NodeOrVariable, ResourceOrVariable, UriOrVariable

public class Variable
extends Object
implements ResourceOrVariable, UriOrVariable, NodeOrVariable, Serializable

This variable models wild-cards in triple pattern queries. Only onw instance of this class if allowed: ANY. This allows type-safe methods.

Author:

voelkel

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Variable	ANY

Method Summary

Modifier and Type	Method and Description
BlankNode	asBlankNode()
DatatypeLiteral	asDatatypeLiteral()
LanguageTagLiteral	asLanguageTagLiteral()
Literal	asLiteral()
Resource	asResource()
URI	asURI()
int	compareTo(Node other)
boolean	equals(Object other) There is only one Variable, so it's equals to itself.
int	hashCode()
String	toSPARQL()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

ANY

public static final Variable ANY

Method Detail

asResource

public Resource asResource()
                    throws ClassCastException

Throws:

ClassCastException

asLiteral

public Literal asLiteral()
                  throws ClassCastException

Throws:

ClassCastException

asDatatypeLiteral

public DatatypeLiteral asDatatypeLiteral()
                                  throws ClassCastException

Throws:

ClassCastException

asLanguageTagLiteral

public LanguageTagLiteral asLanguageTagLiteral()
                                        throws ClassCastException

Throws:

ClassCastException

asURI

public URI asURI()
          throws ClassCastException

Throws:

ClassCastException

asBlankNode

public BlankNode asBlankNode()
                      throws ClassCastException

Throws:

ClassCastException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

There is only one Variable, so it's equals to itself.

Overrides:

equals in class Object

compareTo

public int compareTo(Node other)

toSPARQL

public String toSPARQL()

toString

public String toString()

Overrides:

toString in class Object