Examples with DefaultDempsyExecutor com.nokia.dempsy.executor.DefaultDempsyExecutor used on opensource projects

Example 1 with DefaultDempsyExecutor

use of com.nokia.dempsy.executor.DefaultDempsyExecutor in project Dempsy by Dempsy.

the class TcpReceiver method start.

@Override
public synchronized void start() throws MessageTransportException {
    if (isStarted())
        return;
    // check to see that the overflowHandler and the failFast setting are consistent.
    if (!failFast && overflowHandler != null)
        logger.warn("TcpReceiver/TcpTransport is configured with an OverflowHandler that will never be used because it's also configured to NOT 'fail fast' so it will always block waiting for messages to be processed.");
    // this sets the destination instance
    getDestination();
    // we need to call bind here in case the getDestination didn't do it
    //  (which it wont if the port is not ephemeral)
    bind();
    // in case this is a restart, we want to reset the stopMe value.
    stopMe.set(false);
    serverThread = new Thread(new Runnable() {

        @Override
        public void run() {
            while (!stopMe.get()) {
                try {
                    // Wait for an event one of the registered channels
                    Socket clientSocket = serverSocket.accept();
                    //  So we need to lock it.
                    synchronized (clientThreads) {
                        // unless we're done.
                        if (!stopMe.get()) {
                            // This should come from a thread pool
                            ClientThread clientThread = makeNewClientThread(clientSocket);
                            Thread thread = new Thread(clientThread, "Client Handler for " + getClientDescription(clientSocket));
                            thread.setDaemon(true);
                            thread.start();
                            clientThreads.add(clientThread);
                        }
                    }
                }// socket from another thread is the only way to make this happen.
                 catch (SocketException se) {
                    // however, if we didn't explicitly stop the server, then there's another problem
                    if (!stopMe.get())
                        logger.error("Socket error on the server managing " + destination, se);
                } catch (Throwable th) {
                    logger.error("Major error on the server managing " + destination, th);
                }
            }
            // we're leaving so signal
            synchronized (eventLock) {
                eventSignaled = true;
                eventLock.notifyAll();
            }
        }
    }, "Server for " + destination);
    if (executor == null) {
        DefaultDempsyExecutor defexecutor = new DefaultDempsyExecutor();
        defexecutor.setCoresFactor(1.0);
        defexecutor.setAdditionalThreads(1);
        defexecutor.setMaxNumberOfQueuedLimitedTasks(10000);
        executor = defexecutor;
        iStartedIt = true;
        executor.start();
    }
    setPendingGague();
    serverThread.start();
}

Example 2 with DefaultDempsyExecutor

use of com.nokia.dempsy.executor.DefaultDempsyExecutor in project Dempsy by Dempsy.

the class TestDempsy method testTcpTransportExecutorConfigurationThroughApplication.

@Test
public void testTcpTransportExecutorConfigurationThroughApplication() throws Throwable {
    ClassPathXmlApplicationContext actx = null;
    DefaultDempsyExecutor executor = null;
    try {
        actx = new ClassPathXmlApplicationContext("testDempsy/Dempsy-IndividualClusterStart.xml", "testDempsy/Transport-TcpNoBatchingActx.xml", "testDempsy/ClusterInfo-LocalActx.xml", "testDempsy/Serializer-KryoActx.xml", "testDempsy/SimpleMultistageApplicationWithExecutorActx.xml");
        actx.registerShutdownHook();
        Dempsy dempsy = (Dempsy) actx.getBean("dempsy");
        for (Dempsy.Application.Cluster cluster : dempsy.applications.get(0).appClusters) {
            // get the receiver from the node
            TcpReceiver r = (TcpReceiver) cluster.getNodes().get(0).receiver;
            executor = (DefaultDempsyExecutor) TcpReceiverAccess.getExecutor(r);
            assertEquals(123456, executor.getMaxNumberOfQueuedLimitedTasks());
            assertTrue(executor.isRunning());
        }
    } finally {
        try {
            actx.stop();
        } catch (Throwable th) {
        }
        try {
            actx.destroy();
        } catch (Throwable th) {
        }
    }
    assertNotNull(executor);
    assertTrue(!executor.isRunning());
}