} // constructor
//@Override
public override bool next()
{
_document = _document_source.next();
if (_document == null)
{
return(false);
}
return(true);
}
} // constructor
// @Override
public Document next()
{
if (_rowsLeft > 0)
{
Document next = _delegate.next();
_rowsLeft--;
return(next);
}
return(null);
} // next()
} // getColumnBuilder()
// @Override
public void offerSource(DocumentSource documentSource)
{
while (getObservationCount() < MAX_SAMPLE_SIZE)
{
Document map = documentSource.next();
if (map == null)
{
return;
}
addObservation(map);
}
}
} // offerSources()
protected void offerDocumentSource(DocumentSource documentSource)
{
try
{
while (true)
{
Document document = documentSource.next();
if (document == null)
{
break;
}
String tableName = determineTable(document);
addObservation(tableName, document);
}
}
finally
{
documentSource.close();
}
} // offerDocumentSource()
} // constructor
// @Override
public void offerSources(DocumentSourceProvider documentSourceProvider)
{
DocumentSource document_source = documentSourceProvider.getMixedDocumentSourceForSampling();
try
{
while (true)
{
Document document = document_source.next();
if (document == null)
{
break;
}
string tableName = determineTable(document);
addObservation(tableName, document);
}
}
finally
{
document_source.close();
}
} // offerSources()