/**
* Creates the data source from a connection.
*
* @return the data source to be used
* @throws JRException
*/
private JRDataSource createQueryDatasource() throws JRException {
if (query == null) {
return null;
}
try {
if (log.isDebugEnabled()) {
log.debug(
"Fill " + filler.fillerId + ": Creating " + query.getLanguage() + " query executer");
}
JRQueryExecuterFactory queryExecuterFactory =
JRQueryExecuterUtils.getQueryExecuterFactory(query.getLanguage());
queryExecuter = queryExecuterFactory.createQueryExecuter(parent, parametersMap);
filler.fillContext.setRunningQueryExecuter(queryExecuter);
return queryExecuter.createDatasource();
} finally {
filler.fillContext.clearRunningQueryExecuter();
}
}
public JRQueryExecuter createQueryExecuter(JRDataset jRDataset, Map map) throws JRException {
JRQuery query = jRDataset.getQuery();
String queryString = query.getText();
return new CSVQueryExecuter(queryString);
}