Package de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.util.literalExtractors

Class LiteralExtractorFallback

java.lang.Object

de.uni_mannheim.informatik.dws.melt.matching_jena_matchers.util.literalExtractors.LiteralExtractorFallback

All Implemented Interfaces:

LiteralExtractor

public class LiteralExtractorFallback
extends Object
implements LiteralExtractor

This extractor is a composer and uses the given extractor in the given order as long as an extractor will yield an result.

Field Summary

Fields

Modifier and Type	Field	Description
private final List<LiteralExtractor>	extractors

Constructor Summary

Constructors

Constructor	Description
LiteralExtractorFallback(LiteralExtractor... extractors)
LiteralExtractorFallback(List<LiteralExtractor> extractors)
LiteralExtractorFallback(org.apache.jena.rdf.model.Property... properties)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
Set<org.apache.jena.rdf.model.Literal>	extract(org.apache.jena.rdf.model.Resource r)	Given a jena resource r, it extracts the literals which are usually helpful for matching.
List<LiteralExtractor>	getExtractors()
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Details

extractors

private final List<LiteralExtractor> extractors

Constructor Details

LiteralExtractorFallback

public LiteralExtractorFallback(List<LiteralExtractor> extractors)

LiteralExtractorFallback

public LiteralExtractorFallback(LiteralExtractor... extractors)

LiteralExtractorFallback

public LiteralExtractorFallback(org.apache.jena.rdf.model.Property... properties)

Method Details

extract

public Set<org.apache.jena.rdf.model.Literal> extract(org.apache.jena.rdf.model.Resource r)

Description copied from interface: LiteralExtractor

Given a jena resource r, it extracts the literals which are usually helpful for matching. It does not do any tokenization nor transformation.

Specified by:

extract in interface LiteralExtractor

Parameters:

r - the jena resource to extract the literals (which describe this resource).

Returns:

a set of literals which describes the resource.

getExtractors

public List<LiteralExtractor> getExtractors()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object