protected Model executeConstructQuery(String query) {
logger.trace("Sending query\n{} ...", query);
QueryExecution qe = qef.createQueryExecution(query);
try {
Model model = qe.execConstruct();
timeout = false;
if (model.size() == 0) {
fullDataLoaded = true;
}
logger.debug("Got " + model.size() + " triples.");
return model;
} catch (QueryExceptionHTTP e) {
if (e.getCause() instanceof SocketTimeoutException) {
logger.warn("Got timeout");
} else {
logger.error("Exception executing query", e);
}
return ModelFactory.createDefaultModel();
}
}
protected ResultSet executeSelectQuery(String query) {
logger.trace("Sending query\n{} ...", query);
QueryExecution qe = qef.createQueryExecution(query);
try {
ResultSet rs = qe.execSelect();
timeout = false;
return rs;
} catch (QueryExceptionHTTP e) {
if (e.getCause() instanceof SocketTimeoutException) {
if (timeout) {
logger.warn("Got timeout");
throw e;
} else {
logger.trace("Got local timeout");
}
} else {
logger.error("Exception executing query", e);
}
return new ResultSetMem();
}
}