@Override
public SubmitterScheduler makeSubmitterScheduler(int poolSize, boolean prestartIfAvailable) {
ScheduledThreadPoolExecutor executor = new ScheduledThreadPoolExecutor(poolSize);
if (prestartIfAvailable) {
executor.prestartAllCoreThreads();
}
executors.add(executor);
return new ScheduledExecutorServiceWrapper(executor);
}
/**
* To be instantiated by the context. Others should use context.simpleTimer2() instead
*
* @since 0.9
*/
protected SimpleTimer2(I2PAppContext context, String name, boolean prestartAllThreads) {
_name = name;
long maxMemory = Runtime.getRuntime().maxMemory();
if (maxMemory == Long.MAX_VALUE) maxMemory = 96 * 1024 * 1024l;
_threads =
(int) Math.max(MIN_THREADS, Math.min(MAX_THREADS, 1 + (maxMemory / (32 * 1024 * 1024))));
_executor = new CustomScheduledThreadPoolExecutor(_threads, new CustomThreadFactory());
if (prestartAllThreads) _executor.prestartAllCoreThreads();
// don't bother saving ref to remove hook if somebody else calls stop
context.addShutdownTask(new Shutdown());
}
public static ScheduledExecutorService getExecutor(
ThreadGroup group, String namePrefix, int threadCount, boolean preStart) {
if (threadCount == 0) {
threadCount = 1;
} else if (threadCount < 0) {
int numCpus = ManagementFactory.getOperatingSystemMXBean().getAvailableProcessors();
threadCount = Math.abs(threadCount) * numCpus;
}
ThreadFactory threadFactory = createThreadFactory(group, namePrefix);
ScheduledThreadPoolExecutor executor =
new ScheduledThreadPoolExecutor(threadCount, threadFactory);
if (preStart) {
executor.prestartAllCoreThreads();
}
return executor;
}
{
schedThPoolExec.prestartAllCoreThreads();
schedThPoolExec.setKeepAliveTime(0, TimeUnit.SECONDS);
}