@Inject
public SqlQueryManager(
QueryManagerConfig config,
QueryMonitor queryMonitor,
QueryIdGenerator queryIdGenerator,
LocationFactory locationFactory,
Map<Class<? extends Statement>, QueryExecutionFactory<?>> executionFactories) {
checkNotNull(config, "config is null");
this.executionFactories = checkNotNull(executionFactories, "executionFactories is null");
this.queryExecutor = Executors.newCachedThreadPool(threadsNamed("query-scheduler-%d"));
this.queryExecutorMBean = new ThreadPoolExecutorMBean((ThreadPoolExecutor) queryExecutor);
this.queryMonitor = checkNotNull(queryMonitor, "queryMonitor is null");
this.locationFactory = checkNotNull(locationFactory, "locationFactory is null");
this.queryIdGenerator = checkNotNull(queryIdGenerator, "queryIdGenerator is null");
this.maxQueryAge = config.getMaxQueryAge();
this.maxQueryHistory = config.getMaxQueryHistory();
this.clientTimeout = config.getClientTimeout();
queryManagementExecutor =
Executors.newScheduledThreadPool(
config.getQueryManagerExecutorPoolSize(), threadsNamed("query-management-%d"));
queryManagementExecutorMBean =
new ThreadPoolExecutorMBean((ThreadPoolExecutor) queryManagementExecutor);
queryManagementExecutor.scheduleAtFixedRate(
new Runnable() {
@Override
public void run() {
try {
removeExpiredQueries();
} catch (Throwable e) {
log.warn(e, "Error removing old queries");
}
try {
failAbandonedQueries();
} catch (Throwable e) {
log.warn(e, "Error removing old queries");
}
}
},
200,
200,
TimeUnit.MILLISECONDS);
}
