it.uniroma2.art.owlart.model
Interface ARTLiteral

All Superinterfaces:

ARTNode

All Known Subinterfaces:

NodeFilters.JackOfAllTradesNode

All Known Implementing Classes:

ARTLiteralEmptyImpl

public interface ARTLiteral
extends ARTNode

interface for literal RDF nodes

Author:

Armando Stellato

Method Summary

boolean	equals(java.lang.Object other) Compares a literal object to another object.
ARTURIResource	getDatatype() Gets the datatype for this literal.
java.lang.String	getLabel() Gets the label of this literal.
java.lang.String	getLanguage() Gets the language tag for this literal, normalized to lowercase.
int	hashCode() The hash code of a literal is defined as the hash code of its label: label.hashCode().

Methods inherited from interface it.uniroma2.art.owlart.model.ARTNode

asBNode, asLiteral, asResource, asURIResource, getNominalValue, isBlank, isLiteral, isResource, isURIResource, toString

Method Detail

getLabel

java.lang.String getLabel()

Gets the label of this literal.

Returns:

The literal's label.

getLanguage

java.lang.String getLanguage()

Gets the language tag for this literal, normalized to lowercase.

Returns:

The language tag for this literal, or null if it doesn't have one.

getDatatype

ARTURIResource getDatatype()

Gets the datatype for this literal.

Returns:

The datatype for this literal, or null if it doesn't have one.

equals

boolean equals(java.lang.Object other)

Compares a literal object to another object.

Specified by:

equals in interface ARTNode

Overrides:

equals in class java.lang.Object

Parameters:

other - The object to compare this literal to.

Returns:

true if labels, language tags and datatypes from it and from other are equal equal.

hashCode

int hashCode()

The hash code of a literal is defined as the hash code of its label: label.hashCode().

Specified by:

hashCode in interface ARTNode

Overrides:

hashCode in class java.lang.Object

Returns:

A hash code for the literal.