private final DiffSink<Statement> stSink;
private final DiffSink<Namespace> nsSink;
private final DiffSink<String> cmtSink;
public SynchronizedRDFDiffSink(final RDFDiffSink sink, final Object mutex) {
addSink = new SynchronizedRDFSink(sink.adderSink(), mutex);
subSink = new SynchronizedRDFSink(sink.subtractorSink(), mutex);
stSink = new DiffSink<Statement>() {
public Sink<Statement> getPlus() {
return addSink.statementSink();
}