public String getGeneralStats() {
TextBuilder tb = new TextBuilder();
ThreadFactory tf = _generalThreadPool.getThreadFactory();
if (tf instanceof PriorityThreadFactory) {
tb.append("General Thread Pool:\r\n");
tb.append("Tasks in the queue: " + _generalThreadPool.getQueue().size() + "\r\n");
tb.append("Showing threads stack trace:\r\n");
PriorityThreadFactory ptf = (PriorityThreadFactory) tf;
int count = ptf.getGroup().activeCount();
Thread[] threads = new Thread[count + 2];
ptf.getGroup().enumerate(threads);
tb.append("There should be " + count + " Threads\r\n");
for (Thread t : threads) {
if (t == null) {
continue;
}
tb.append(t.getName() + "\r\n");
for (StackTraceElement ste : t.getStackTrace()) {
tb.append(ste.toString());
tb.append("\r\n");
}
}
}
tb.append("Packet Tp stack traces printed.\r\n");
return tb.toString();
}
public String getGeneralStats() {
final StringBuilder sb = new StringBuilder(1000);
ThreadFactory tf = _generalThreadPool.getThreadFactory();
if (tf instanceof PriorityThreadFactory) {
PriorityThreadFactory ptf = (PriorityThreadFactory) tf;
int count = ptf.getGroup().activeCount();
Thread[] threads = new Thread[count + 2];
ptf.getGroup().enumerate(threads);
StringUtil.append(
sb,
"General Thread Pool:\r\n" + "Tasks in the queue: ",
String.valueOf(_generalThreadPool.getQueue().size()),
"\r\n" + "Showing threads stack trace:\r\n" + "There should be ",
String.valueOf(count),
" Threads\r\n");
for (Thread t : threads) {
if (t == null) continue;
StringUtil.append(sb, t.getName(), "\r\n");
for (StackTraceElement ste : t.getStackTrace()) {
StringUtil.append(sb, ste.toString(), "\r\n");
}
}
}
sb.append("Packet Tp stack traces printed.\r\n");
return sb.toString();
}
@GwtIncompatible // TODO
private static void useDaemonThreadFactory(ThreadPoolExecutor executor) {
executor.setThreadFactory(
new ThreadFactoryBuilder()
.setDaemon(true)
.setThreadFactory(executor.getThreadFactory())
.build());
}
/**
* Create a new {@link ThreadPoolRejectedExecutionException}.
*
* @param r the task that was rejected.
* @param reason the reason this task was rejected.
*/
public ThreadPoolRejectedExecutionException(
Runnable r, ThreadPoolExecutor pool, String reason) {
super(
"REJECTED EXECUTION[runnable= "
+ r
+ ", factory= "
+ pool.getThreadFactory()
+ ", reason= "
+ reason
+ "]");
}
private void configure(final String name) {
/*
* All executors should be shutdown on application shutdown.
*/
ShutdownHookManager.register(shutdownHook);
/*
* All threads should stop after 60 seconds of idle time
*/
delegate.setKeepAliveTime(
FIXED_THREAD_KEEPALIVE_TIMEOUT.longValue(), FIXED_THREAD_KEEPALIVE_TIMEOUT.getTimeUnit());
/*
* Fixes non starting with corepoolsize von 0 and not filled queue (Java Conurrency In Practice Chapter 8.3.1).
* If this bug can occur, a exception would be thrown here.
*/
delegate.allowCoreThreadTimeOut(true);
/*
* Named threads improve debugging.
*/
delegate.setThreadFactory(new WrappedThreadFactory(name, delegate.getThreadFactory()));
}