org.fcrepo.transform.transformations

Class SparqlQueryTransform

java.lang.Object

org.fcrepo.transform.transformations.SparqlQueryTransform

All Implemented Interfaces:

com.google.common.base.Function<RdfStream,com.hp.hpl.jena.query.QueryExecution>, Transformation<com.hp.hpl.jena.query.QueryExecution>

public class SparqlQueryTransform
extends Object
implements Transformation<com.hp.hpl.jena.query.QueryExecution>

SPARQL Query-based transforms

Author:

cbeer

Constructor Summary

Constructors

Constructor and Description
SparqlQueryTransform(InputStream query) Construct a new SparqlQueryTransform from the data from the InputStream

Method Summary

Methods

Modifier and Type	Method and Description
com.hp.hpl.jena.query.QueryExecution	apply(RdfStream rdfStream) Execute a transform on an rdf stream
boolean	equals(Object other)
InputStream	getQuery() Get the Query the transformation is using
int	hashCode()
SparqlQueryTransform	newTransform(InputStream query)

Methods inherited from class java.lang.Object

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

Constructor Detail

SparqlQueryTransform

public SparqlQueryTransform(InputStream query)

Construct a new SparqlQueryTransform from the data from the InputStream

Parameters:

query -

Method Detail

apply

public com.hp.hpl.jena.query.QueryExecution apply(RdfStream rdfStream)

Description copied from interface: Transformation

Execute a transform on an rdf stream

Specified by:

apply in interface com.google.common.base.Function<RdfStream,com.hp.hpl.jena.query.QueryExecution>

Specified by:

apply in interface Transformation<com.hp.hpl.jena.query.QueryExecution>

Returns:

transformed output

getQuery

public InputStream getQuery()

Description copied from interface: Transformation

Get the Query the transformation is using

Specified by:

getQuery in interface Transformation<com.hp.hpl.jena.query.QueryExecution>

Returns:

query used by the transformation as an input stream

equals

public boolean equals(Object other)

Specified by:

equals in interface com.google.common.base.Function<RdfStream,com.hp.hpl.jena.query.QueryExecution>

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

newTransform

public SparqlQueryTransform newTransform(InputStream query)

Specified by:

newTransform in interface Transformation<com.hp.hpl.jena.query.QueryExecution>

Returns:

a new Transform of this type, for use as a factory