/** Load tuning information from an existing tuning file. */
private void loadTuningFile() {
File file = new File(tuningFile);
if (!file.exists()) {
logger.warn(
"AutoTune file {} not found - no initial automatic query tuning", file.getAbsolutePath());
} else {
AutoTuneXmlReader reader = new AutoTuneXmlReader();
Autotune profiling = reader.read(file);
logger.info("AutoTune loading {} tuning entries", profiling.getOrigin().size());
for (Origin origin : profiling.getOrigin()) {
queryTuner.put(origin);
}
}
}
/** Auto tune the query and enable profiling. */
@Override
public boolean tuneQuery(SpiQuery<?> query) {
return queryTuner.tuneQuery(query);
}