org.semarglproject.clerezza.core.sink

Class ClerezzaSink

java.lang.Object

org.semarglproject.clerezza.core.sink.ClerezzaSink

All Implemented Interfaces:

DataSink, TripleSink

public class ClerezzaSink
extends Object
implements TripleSink

Implementation if TripleSink which feeds triples from Semargl's pipeline to Clerezza's MGraph.

List of supported options:

• OUTPUT_GRAPH_PROPERTY

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.clerezza.rdf.core.MGraph	graph
static String	OUTPUT_GRAPH_PROPERTY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ClerezzaSink(org.apache.clerezza.rdf.core.MGraph graph)

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.apache.clerezza.rdf.core.NonLiteral subj, org.apache.clerezza.rdf.core.UriRef pred, org.apache.clerezza.rdf.core.Resource obj) Callback method for handling Clerezza triples.
void	addTypedLiteral(String subj, String pred, String content, String type)
static TripleSink	connect(org.apache.clerezza.rdf.core.MGraph graph) Instantiates sink for specified Clerezza MGraph
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

OUTPUT_GRAPH_PROPERTY

public static final String OUTPUT_GRAPH_PROPERTY

See Also:

Constant Field Values

graph

protected org.apache.clerezza.rdf.core.MGraph graph

Constructor Detail

ClerezzaSink

protected ClerezzaSink(org.apache.clerezza.rdf.core.MGraph graph)

Method Detail

connect

public static TripleSink connect(org.apache.clerezza.rdf.core.MGraph graph)

Instantiates sink for specified Clerezza MGraph

Parameters:

graph - graph to sink triples to

Returns:

new instance of Clerezza 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

setProperty

public boolean setProperty(String key,
                  Object value)

Specified by:

setProperty in interface DataSink

addTriple

protected void addTriple(org.apache.clerezza.rdf.core.NonLiteral subj,
             org.apache.clerezza.rdf.core.UriRef pred,
             org.apache.clerezza.rdf.core.Resource obj)

Callback method for handling Clerezza triples.

Parameters:

subj - triple's subject

pred - triple's predicate

obj - triple's 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

setBaseUri

public void setBaseUri(String baseUri)

Specified by:

setBaseUri in interface DataSink