org.trippi.io
Class RIOTripleIterator

java.lang.Object
  org.trippi.TripleIterator
      org.trippi.io.RIOTripleIterator

All Implemented Interfaces:

java.lang.Runnable, org.openrdf.rio.StatementHandler

public class RIOTripleIterator
extends TripleIterator
implements org.openrdf.rio.StatementHandler, java.lang.Runnable

An iterator over triples parsed by a RIO rdf parser.

Author:

cwilper@cs.cornell.edu

Field Summary

Fields inherited from class org.trippi.TripleIterator

INPUT_FORMATS, OUTPUT_FORMATS

Constructor Summary

RIOTripleIterator(java.io.InputStream in, org.openrdf.rio.Parser parser, java.lang.String baseURI)
Initialize the iterator by starting the parsing thread.

Method Summary

void	close() Release resources held by this iterator.
void	handleStatement(org.openrdf.model.Resource subject, org.openrdf.model.URI predicate, org.openrdf.model.Value object) Handle a statement from the parser.
boolean	hasNext() Return true if there are any more triples.
static void	main(java.lang.String[] args)
org.jrdf.graph.Triple	next() Return the next triple.
void	run() The main method of the background thread.

Methods inherited from class org.trippi.TripleIterator

addToGraph, count, deleteFromGraph, fromStream, fromStream, setAliasMap, toStream

Methods inherited from class java.lang.Object

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

Constructor Detail

RIOTripleIterator

public RIOTripleIterator(java.io.InputStream in,
                         org.openrdf.rio.Parser parser,
                         java.lang.String baseURI)
                  throws TrippiException

Initialize the iterator by starting the parsing thread.

Throws:

TrippiException

Method Detail

hasNext

public boolean hasNext()
                throws TrippiException

Description copied from class: TripleIterator

Return true if there are any more triples.

Specified by:

hasNext in class TripleIterator

Throws:

TrippiException

next

public org.jrdf.graph.Triple next()
                           throws TrippiException

Description copied from class: TripleIterator

Return the next triple.

Specified by:

next in class TripleIterator

Throws:

TrippiException

close

public void close()
           throws TrippiException

Description copied from class: TripleIterator

Release resources held by this iterator.

Specified by:

close in class TripleIterator

Throws:

TrippiException

run

public void run()

The main method of the background thread. This starts the parsing and exits when an error occurs or the parsing is finished.

Specified by:

run in interface java.lang.Runnable

handleStatement

public void handleStatement(org.openrdf.model.Resource subject,
                            org.openrdf.model.URI predicate,
                            org.openrdf.model.Value object)
                     throws org.openrdf.rio.StatementHandlerException

Handle a statement from the parser.

Specified by:

handleStatement in interface org.openrdf.rio.StatementHandler

Throws:

org.openrdf.rio.StatementHandlerException

main

public static void main(java.lang.String[] args)
                 throws java.lang.Exception

Throws:

java.lang.Exception