org.semarglproject.sesame.core.sink

Class SesameSink

java.lang.Object

org.semarglproject.sesame.core.sink.SesameSink

All Implemented Interfaces:

DataSink, TripleSink

public class SesameSink
extends Object
implements TripleSink

Implementation if TripleSink which feeds triples from Semargl's pipeline to Sesame's RDFHandler.

List of supported options:

• RDF_HANDLER_PROPERTY
• VALUE_FACTORY_PROPERTY

Author:

Peter Ansell p_ansell@yahoo.com, Lev Khomich levkhomich@gmail.com

Field Summary

Fields

Modifier and Type	Field and Description
protected org.openrdf.rio.RDFHandler	handler
static String	RDF_HANDLER_PROPERTY Used as a key with setProperty(String, Object) method.
static String	VALUE_FACTORY_PROPERTY Used as a key with setProperty(String, Object) method.
protected org.openrdf.model.ValueFactory	valueFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SesameSink(org.openrdf.rio.RDFHandler handler)

Method Summary

Methods

Modifier and Type	Method and Description
void	addNonLiteral(String subj, String pred, String obj)
void	addPlainLiteral(String subj, String pred, String content, String lang)
protected void	addTriple(org.openrdf.model.Resource subject, org.openrdf.model.URI predicate, org.openrdf.model.Value object)
void	addTypedLiteral(String subj, String pred, String content, String type)
static TripleSink	connect(org.openrdf.rio.RDFHandler handler) Instantiates sink for specified Sesame RDFHandler
void	endStream()
void	setBaseUri(String baseUri)
boolean	setProperty(String key, Object value)
void	startStream()

Methods inherited from class java.lang.Object

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

Field Detail

RDF_HANDLER_PROPERTY

public static final String RDF_HANDLER_PROPERTY

Used as a key with setProperty(String, Object) method. Allows to specify Sesame's RDF handler. Subclass of RDFHandler must be passed as a value.

See Also:

Constant Field Values

VALUE_FACTORY_PROPERTY

public static final String VALUE_FACTORY_PROPERTY

Used as a key with setProperty(String, Object) method. Allows to specify Sesame's value factory used to generate statemets. Subclass of ValueFactory must be passed as a value.

See Also:

Constant Field Values

handler

protected org.openrdf.rio.RDFHandler handler

valueFactory

protected org.openrdf.model.ValueFactory valueFactory

Constructor Detail

SesameSink

protected SesameSink(org.openrdf.rio.RDFHandler handler)

Method Detail

connect

public static TripleSink connect(org.openrdf.rio.RDFHandler handler)

Instantiates sink for specified Sesame RDFHandler

Parameters:

handler - RDFHandler to sink triples to

Returns:

new instance of Sesame sink

addNonLiteral

public final void addNonLiteral(String subj,
                 String pred,
                 String obj)

Specified by:

addNonLiteral in interface TripleSink

addPlainLiteral

public final void addPlainLiteral(String subj,
                   String pred,
                   String content,
                   String lang)

Specified by:

addPlainLiteral in interface TripleSink

addTypedLiteral

public final void addTypedLiteral(String subj,
                   String pred,
                   String content,
                   String type)

Specified by:

addTypedLiteral in interface TripleSink

addTriple

protected void addTriple(org.openrdf.model.Resource subject,
             org.openrdf.model.URI predicate,
             org.openrdf.model.Value object)

startStream

public void startStream()
                 throws ParseException

Specified by:

startStream in interface DataSink

Throws:

ParseException

endStream

public void endStream()
               throws ParseException

Specified by:

endStream in interface DataSink

Throws:

ParseException

setProperty

public boolean setProperty(String key,
                  Object value)

Specified by:

setProperty in interface DataSink

setBaseUri

public void setBaseUri(String baseUri)

Specified by:

setBaseUri in interface DataSink