public void conc(ExtObjectContainer oc) {
oc.queryByExample((new QueryNonExistantTestCase(true)));
assertOccurrences(oc, QueryNonExistantTestCase.class, 0);
Query q = oc.query();
q.constrain(new QueryNonExistantTestCase(true));
Assert.areEqual(0, q.execute().size());
}
/**
* Loads an existing Config object from the database and adds any missing default values to it,
* creates and stores a new one if none exists.
*
* @return The config object.
*/
public static Config loadOrCreate(WoT myWoT) {
ExtObjectContainer db = myWoT.getDB();
synchronized (db.lock()) {
Config config;
ObjectSet<Config> result = db.queryByExample(Config.class);
if (result.size() == 0) {
Logger.debug(myWoT, "Creating new Config...");
config = new Config(myWoT);
config.storeAndCommit();
} else {
if (result.size() > 1) /* Do not throw, we do not want to prevent WoT from starting up. */
Logger.error(myWoT, "Multiple config objects stored!");
Logger.debug(myWoT, "Loaded config.");
config = result.next();
config.initializeTransient(myWoT);
config.setDefaultValues(false);
}
return config;
}
}