com.epimorphics.lda.sources

Class SparqlSource

java.lang.Object

com.epimorphics.lda.sources.SourceBase

com.epimorphics.lda.sources.SparqlSource

All Implemented Interfaces:

Source

public class SparqlSource
extends SourceBase
implements Source

Data source representing and external SPARQL endpoint.

Version:

$Revision: $

Author:

Dave Reynolds

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	SparqlSource.Perhaps

Nested classes/interfaces inherited from interface com.epimorphics.lda.sources.Source

Source.ResultSetConsumer, Source.Util

Field Summary

Fields

Modifier and Type	Field and Description
protected char[]	basicPassword
protected String	basicUser
protected com.hp.hpl.jena.shared.Lock	lock
protected SparqlSource.Perhaps	nestedSelects
protected String	sparqlEndpoint

Constructor Summary

Constructors

Constructor and Description
SparqlSource(com.hp.hpl.jena.rdf.model.Resource ep, AuthMap am)

Method Summary

Methods

Modifier and Type	Method and Description
void	addMetadata(com.hp.hpl.jena.rdf.model.Resource meta) Add metadata describing this source to a metadata model
com.hp.hpl.jena.query.QueryExecution	execute(com.hp.hpl.jena.query.Query query) Each SourceBase subclass must provide execute.
com.hp.hpl.jena.shared.Lock	getLock() Each SourceBase subclass must provide a Lock on demand.
boolean	supportsNestedSelect() It's remote.
String	toString() Return a name for this source, used for error reporting

Methods inherited from class com.epimorphics.lda.sources.SourceBase

executeConstruct, executeDescribe, executeSelect, getTextSearchConfig

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.epimorphics.lda.sources.Source

executeConstruct, executeDescribe, executeSelect, getTextSearchConfig

Field Detail

sparqlEndpoint

protected final String sparqlEndpoint

lock

protected final com.hp.hpl.jena.shared.Lock lock

nestedSelects

protected SparqlSource.Perhaps nestedSelects

basicUser

protected final String basicUser

basicPassword

protected final char[] basicPassword

Constructor Detail

SparqlSource

public SparqlSource(com.hp.hpl.jena.rdf.model.Resource ep,
            AuthMap am)

Method Detail

execute

public com.hp.hpl.jena.query.QueryExecution execute(com.hp.hpl.jena.query.Query query)

Description copied from class: SourceBase

Each SourceBase subclass must provide execute.

Specified by:

execute in class SourceBase

toString

public String toString()

Description copied from interface: Source

Return a name for this source, used for error reporting

Specified by:

toString in interface Source

Overrides:

toString in class Object

getLock

public com.hp.hpl.jena.shared.Lock getLock()

Description copied from class: SourceBase

Each SourceBase subclass must provide a Lock on demand.

Specified by:

getLock in class SourceBase

addMetadata

public void addMetadata(com.hp.hpl.jena.rdf.model.Resource meta)

Add metadata describing this source to a metadata model

Specified by:

addMetadata in interface Source

supportsNestedSelect

public boolean supportsNestedSelect()

It's remote. Try if we can.

Specified by:

supportsNestedSelect in interface Source