public class ConcurrentServiceQueue implements Serializable {
/** */
private static final long serialVersionUID = 1L;
private static final BlockingQueue<Runnable> execHandleQueue = new SynchronousQueue<Runnable>();
private static final BlockingQueue<Runnable> resultHandleQueue = new SynchronousQueue<Runnable>();
public static final ThreadPoolExecutor execHandleExecutor =
new ThreadPoolExecutor(
100,
1000,
300,
TimeUnit.SECONDS,
execHandleQueue,
Executors.defaultThreadFactory(),
new ThreadPoolExecutor.AbortPolicy());
public static final ThreadPoolExecutor resultHandleExecutor =
new ThreadPoolExecutor(
100,
1000,
300,
TimeUnit.SECONDS,
execHandleQueue,
Executors.defaultThreadFactory(),
new ThreadPoolExecutor.AbortPolicy());
public static final AtomicInteger currentTaskCount = new AtomicInteger(0);
public static final int maxProcessCount = 600;
}
public static void main(String[] args) {
new ThreadPoolExecutor(
0,
10,
1000,
TimeUnit.MILLISECONDS,
new LinkedBlockingQueue<Runnable>(),
Executors.defaultThreadFactory(),
new RejectedExecutionHandler() {
@Override
public void rejectedExecution(Runnable r, ThreadPoolExecutor executor) {
// TODO Auto-generated method stub
}
});
new ThreadPoolExecutor(
0,
10,
1000,
TimeUnit.MILLISECONDS,
new LinkedBlockingQueue<Runnable>(10),
Executors.defaultThreadFactory(),
new ThreadPoolExecutor.CallerRunsPolicy());
int numOfProcessors = Runtime.getRuntime().availableProcessors();
System.out.println(numOfProcessors);
MyLogger logger = new MyLogger();
Thread.currentThread().setUncaughtExceptionHandler(logger);
int i = 10 / 0;
System.out.println(i);
}
public OrderedSafeExecutor build() {
if (null == threadFactory) {
threadFactory = Executors.defaultThreadFactory();
}
return new OrderedSafeExecutor(
name, numThreads, threadFactory, statsLogger, traceTaskExecution, warnTimeMicroSec);
}
/** @author Shuyang Zhou */
public class SetRecordUncaughtExceptionThreadFactory implements ThreadFactory {
public List<Thread> getCreatedThreads() {
return _createdThreads;
}
public RecordUncaughtExceptionHandler getRecordUncaughtExceptionHandler() {
return _recordUncaughtExceptionHandler;
}
@Override
public Thread newThread(Runnable runnable) {
Thread thread = _threadFactory.newThread(runnable);
thread.setUncaughtExceptionHandler(_recordUncaughtExceptionHandler);
_createdThreads.add(thread);
return thread;
}
private final List<Thread> _createdThreads = new ArrayList<>();
private final RecordUncaughtExceptionHandler _recordUncaughtExceptionHandler =
new RecordUncaughtExceptionHandler();
private final ThreadFactory _threadFactory = Executors.defaultThreadFactory();
}
/**
* Based on the default thread factory
*
* @param name the name prefix of the new thread
* @return the factory to use when creating new threads
*/
public static final ThreadFactory getThreadFactory(String name) {
return r -> {
Thread t = Executors.defaultThreadFactory().newThread(r);
t.setName(name + "-" + t.getName()); // $NON-NLS-1$
return t;
};
}
public MessagingServer(MessageReceiptCallback cb, int port) {
this.messagingServerHandler = new MessagingServerHandler(cb);
this.port = port;
// Start server with Nb of active threads = 2*NB CPU + 1 as maximum.
ChannelFactory factory =
new NioServerSocketChannelFactory(
Executors.newCachedThreadPool(),
Executors.newCachedThreadPool(),
Runtime.getRuntime().availableProcessors() * 2 + 1);
bootstrap = new ServerBootstrap(factory);
// Create the global ChannelGroup
channelGroup = new DefaultChannelGroup(MessagingServer.class.getName());
// 200 threads max, Memory limitation: 1MB by channel, 1GB global, 100 ms of timeout
OrderedMemoryAwareThreadPoolExecutor pipelineExecutor =
new OrderedMemoryAwareThreadPoolExecutor(
200, 1048576, 1073741824, 100, TimeUnit.MILLISECONDS, Executors.defaultThreadFactory());
// We need to use a pipeline factory because we are using stateful handlers
bootstrap.setPipelineFactory(
new ChannelPipelineFactory() {
@Override
public ChannelPipeline getPipeline() throws Exception {
return Channels.pipeline(
new ObjectDecoder(getMaxObjectSize()), new ObjectEncoder(), messagingServerHandler);
}
});
bootstrap.setOption("child.tcpNoDelay", true);
bootstrap.setOption("child.keepAlive", true);
bootstrap.setOption("child.reuseAddress", true);
bootstrap.setOption("child.connectTimeoutMillis", 100);
bootstrap.setOption("readWriteFair", true);
}
@Override
public Thread newThread(@Nonnull Runnable runnable) {
Thread thread = Executors.defaultThreadFactory().newThread(runnable);
thread.setDaemon(true);
if (name != null) thread.setName(name);
return thread;
}
public class NamedThreadFactory implements ThreadFactory {
private final String nameFormat;
private final AtomicLong count = new AtomicLong(0);
private final ThreadFactory backingThreadFactory = Executors.defaultThreadFactory();
/**
* Creates a new named {@link ThreadFactory} builder.
*
* @param nameFormat a {@link String#format(String, Object...)}-compatible format String, to which
* a unique integer (0, 1, etc.) will be supplied as the single parameter. This integer will
* be unique to the built instance of the ThreadFactory and will be assigned sequentially.
*/
public NamedThreadFactory(String nameFormat) {
String.format(nameFormat, 0); // fail fast if the format is bad or null
this.nameFormat = nameFormat;
}
@Override
public Thread newThread(Runnable runnable) {
Thread thread = backingThreadFactory.newThread(runnable);
thread.setName(String.format(nameFormat, count.getAndIncrement()));
return thread;
}
}
/** * A simple ThreadFactory which names the thread as follows:<br> * <br> * <i>applicationId</i>/KSB-pool-<i>m</i>-thread-<i>n</i><br> * <br> * Where <i>applicationId</i> is the id of the application running the thread pool, <i>m</i> is * the sequence number of the factory and <i>n</i> is the sequence number of the thread within the * factory. * * @author Kuali Rice Team ([email protected]) */ private static class KSBThreadFactory implements ThreadFactory { private static int factorySequence = 0; private static int threadSequence = 0; private ThreadFactory defaultThreadFactory = Executors.defaultThreadFactory(); private ClassLoader contextClassLoader; public KSBThreadFactory(ClassLoader contextClassLoader) { this.contextClassLoader = contextClassLoader; factorySequence++; } public Thread newThread(Runnable runnable) { threadSequence++; Thread thread = this.defaultThreadFactory.newThread(runnable); // if the thread ends up getting spawned by an action inside of a workflow plugin or something // along those lines, it will inherit the plugin's // classloader as it's ContextClassLoader. Let's make sure it's set to the same ClassLoader // that loaded the KSBConfigurer thread.setContextClassLoader(contextClassLoader); thread.setName( CoreConfigHelper.getApplicationId() + "/KSB-pool-" + factorySequence + "-thread-" + threadSequence); return thread; } }
@Override
public Thread newThread(final Runnable r) {
final Thread t = Executors.defaultThreadFactory().newThread(r);
t.setDaemon(true);
t.setName("Interactive instrumentation console");
return t;
}
private static class MinPriorityThreadFactory implements ThreadFactory {
private final ThreadFactory myDefaultThreadFactory = Executors.defaultThreadFactory();
public Thread newThread(Runnable r) {
final Thread th = myDefaultThreadFactory.newThread(r);
th.setPriority(Thread.MIN_PRIORITY);
return th;
}
}
@Override
public Thread newThread(Runnable runnable) {
Thread thread = Executors.defaultThreadFactory().newThread(runnable);
thread.setName(name + "-" + count.incrementAndGet());
if (exceptionHandler != null) {
thread.setUncaughtExceptionHandler(exceptionHandler);
}
return thread;
}
class TestingThreadFactory implements ThreadFactory {
public final AtomicInteger numCreated = new AtomicInteger();
private final ThreadFactory factory = Executors.defaultThreadFactory();
public Thread newThread(Runnable r) {
numCreated.incrementAndGet();
return factory.newThread(r);
}
}
private static class KEWThreadFactory implements ThreadFactory {
private ThreadFactory defaultThreadFactory = Executors.defaultThreadFactory();
public Thread newThread(Runnable runnable) {
Thread thread = defaultThreadFactory.newThread(runnable);
thread.setName("ServerPluginRegistry-" + thread.getName());
return thread;
}
}
public FixThreadPoolExecutor(
int corePoolSize, int maximumPoolSize, long keepAliveSecond, String poolName) {
super(
corePoolSize,
maximumPoolSize,
keepAliveSecond,
TimeUnit.SECONDS,
new LinkedBlockingQueue<Runnable>(),
Executors.defaultThreadFactory());
}
@Deprecated
public OrderedSafeExecutor(int numThreads, String threadName) {
this(
threadName,
numThreads,
Executors.defaultThreadFactory(),
NullStatsLogger.INSTANCE,
false,
WARN_TIME_MICRO_SEC_DEFAULT);
}
public LoginToClientPipeLineFactory() {
this.pipelineExecutor =
new OrderedMemoryAwareThreadPoolExecutor(
THREADS_MAX,
MEMORY_PER_CHANNEL,
TOTAL_MEMORY,
TIMEOUT,
TimeUnit.MILLISECONDS,
Executors.defaultThreadFactory());
}
public static T_WorkoutExercisesControl getInstance(Context context) {
if (instance == null) {
context = context.getApplicationContext();
ThreadFactory logThreadFactory = Executors.defaultThreadFactory();
Executor logExecutor = Executors.newSingleThreadExecutor(logThreadFactory);
SQLiteOpenHelper openHelper =
DbOpenHelper.getInstance(context, DBControl.DB_NAME, DBControl.DB_VERSION, logExecutor);
instance = new T_WorkoutExercisesControl(context, logExecutor, openHelper);
}
return instance;
}
// create an executor with daemon threads
private static ExecutorService createExecutor() {
ExecutorService executor =
Executors.newFixedThreadPool(
1,
r -> {
Thread t = Executors.defaultThreadFactory().newThread(r);
t.setDaemon(true);
return t;
});
return executor;
}
public SelfTuningExecutorService() {
super(
0,
Integer.MAX_VALUE,
60L,
TimeUnit.SECONDS,
new LinkedBlockingQueue(),
Executors.defaultThreadFactory(),
new AbortPolicy());
monitor = new Monitor();
monitor.start();
}
private static class MetricsPollerThreadFactory implements ThreadFactory {
private static final String MetricsThreadName = "HystrixMetricPoller";
private final ThreadFactory defaultFactory = Executors.defaultThreadFactory();
public Thread newThread(Runnable r) {
Thread thread = defaultFactory.newThread(r);
thread.setName(MetricsThreadName);
thread.setDaemon(true);
return thread;
}
}
public ThreadPoolExecutor(int corePoolSize, int maxPoolSize) {
this(
corePoolSize,
maxPoolSize,
60,
TimeUnit.SECONDS,
false,
Integer.MAX_VALUE,
new AbortPolicy(),
Executors.defaultThreadFactory(),
new ThreadPoolHandlerAdapter());
}
class DaemonThreadFactory implements ThreadFactory {
static final ThreadFactory INSTANCE = new DaemonThreadFactory();
private static final ThreadFactory DEFAULT = Executors.defaultThreadFactory();
public Thread newThread(Runnable r) {
Thread t = DEFAULT.newThread(r);
t.setDaemon(true);
return t;
}
}
public TimeScheduler2(int corePoolSize) {
pool =
new ThreadManagerThreadPoolExecutor(
corePoolSize,
corePoolSize * 2,
5000,
TimeUnit.MILLISECONDS,
new LinkedBlockingQueue<Runnable>(5000),
Executors.defaultThreadFactory(),
new ThreadPoolExecutor.CallerRunsPolicy());
init();
}
public Thread newThread(Runnable r) {
Thread rv = Executors.defaultThreadFactory().newThread(r);
rv.setName(_name + ' ' + (++_count) + '/' + _threads);
// Uncomment this to test threadgrouping, but we should be all safe now that the constructor
// preallocates!
// String name = rv.getThreadGroup().getName();
// if(!name.equals("main")) {
// (new Exception("OWCH! DAMN! Wrong ThreadGroup `" + name +"', `" +
// rv.getName() + "'")).printStackTrace();
// }
rv.setDaemon(true);
return rv;
}
/**
* (Convenience constructor) Creates a new instance with a new {@link OrderedThreadPoolExecutor},
* no thread in the pool, but a maximum of threads in the pool is given. All the event will be
* handled by this default executor.
*
* @param maximumPoolSize The maximum pool size
*/
public ExecutorFilter(int maximumPoolSize) {
// Create a new default Executor
Executor executor =
createDefaultExecutor(
BASE_THREAD_NUMBER,
maximumPoolSize,
DEFAULT_KEEPALIVE_TIME,
TimeUnit.SECONDS,
Executors.defaultThreadFactory(),
null);
// Initialize the filter
init(executor, MANAGEABLE_EXECUTOR);
}
/**
* (Convenience constructor) Creates a new instance with a new {@link OrderedThreadPoolExecutor}.
*
* @param corePoolSize The initial pool size
* @param maximumPoolSize The maximum pool size
* @param keepAliveTime Default duration for a thread
* @param unit Time unit used for the keepAlive value
*/
public ExecutorFilter(int corePoolSize, int maximumPoolSize, long keepAliveTime, TimeUnit unit) {
// Create a new default Executor
Executor executor =
createDefaultExecutor(
corePoolSize,
maximumPoolSize,
keepAliveTime,
unit,
Executors.defaultThreadFactory(),
null);
// Initialize the filter
init(executor, MANAGEABLE_EXECUTOR);
}
/**
* (Convenience constructor) Creates a new instance with a new {@link OrderedThreadPoolExecutor}.
*
* @param eventTypes The event for which the executor will be used
*/
public ExecutorFilter(IoEventType... eventTypes) {
// Create a new default Executor
Executor executor =
createDefaultExecutor(
BASE_THREAD_NUMBER,
DEFAULT_MAX_POOL_SIZE,
DEFAULT_KEEPALIVE_TIME,
TimeUnit.SECONDS,
Executors.defaultThreadFactory(),
null);
// Initialize the filter
init(executor, MANAGEABLE_EXECUTOR, eventTypes);
}
/**
* Creates a new instance of {@code ThreadFactoryImpl} and configures it from the specified {@code
* Builder} object.
*
* @param builder the {@code Builder} object
*/
private BasicThreadFactory(final Builder builder) {
if (builder.wrappedFactory == null) {
wrappedFactory = Executors.defaultThreadFactory();
} else {
wrappedFactory = builder.wrappedFactory;
}
namingPattern = builder.namingPattern;
priority = builder.priority;
daemonFlag = builder.daemonFlag;
uncaughtExceptionHandler = builder.exceptionHandler;
threadCounter = new AtomicLong();
}
/**
* (Convenience constructor) Creates a new instance with a new {@link OrderedThreadPoolExecutor}.
*
* @param corePoolSize The initial pool size
* @param maximumPoolSize The maximum pool size
* @param eventTypes The event for which the executor will be used
*/
public ExecutorFilter(int corePoolSize, int maximumPoolSize, IoEventType... eventTypes) {
// Create a new default Executor
Executor executor =
createDefaultExecutor(
corePoolSize,
maximumPoolSize,
DEFAULT_KEEPALIVE_TIME,
TimeUnit.SECONDS,
Executors.defaultThreadFactory(),
null);
// Initialize the filter
init(executor, MANAGEABLE_EXECUTOR, eventTypes);
}