Examples with ThreadFactory java.util.concurrent.ThreadFactory used on opensource projects

Example 46 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project Hystrix by Netflix.

the class HystrixConcurrencyStrategy method getThreadPool.

public ThreadPoolExecutor getThreadPool(final HystrixThreadPoolKey threadPoolKey, HystrixThreadPoolProperties threadPoolProperties) {
    final ThreadFactory threadFactory = getThreadFactory(threadPoolKey);
    final boolean allowMaximumSizeToDivergeFromCoreSize = threadPoolProperties.getAllowMaximumSizeToDivergeFromCoreSize().get();
    final int dynamicCoreSize = threadPoolProperties.coreSize().get();
    final int keepAliveTime = threadPoolProperties.keepAliveTimeMinutes().get();
    final int maxQueueSize = threadPoolProperties.maxQueueSize().get();
    final BlockingQueue<Runnable> workQueue = getBlockingQueue(maxQueueSize);
    if (allowMaximumSizeToDivergeFromCoreSize) {
        final int dynamicMaximumSize = threadPoolProperties.maximumSize().get();
        if (dynamicCoreSize > dynamicMaximumSize) {
            logger.error("Hystrix ThreadPool configuration at startup for : " + threadPoolKey.name() + " is trying to set coreSize = " + dynamicCoreSize + " and maximumSize = " + dynamicMaximumSize + ".  Maximum size will be set to " + dynamicCoreSize + ", the coreSize value, since it must be equal to or greater than the coreSize value");
            return new ThreadPoolExecutor(dynamicCoreSize, dynamicCoreSize, keepAliveTime, TimeUnit.MINUTES, workQueue, threadFactory);
        } else {
            return new ThreadPoolExecutor(dynamicCoreSize, dynamicMaximumSize, keepAliveTime, TimeUnit.MINUTES, workQueue, threadFactory);
        }
    } else {
        return new ThreadPoolExecutor(dynamicCoreSize, dynamicCoreSize, keepAliveTime, TimeUnit.MINUTES, workQueue, threadFactory);
    }
}

Example 47 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project netty by netty.

the class MsgEchoClient method main.

public static void main(String[] args) throws Exception {
    // Configure the client.
    final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory, NioUdtProvider.MESSAGE_PROVIDER);
    try {
        final Bootstrap boot = new Bootstrap();
        boot.group(connectGroup).channelFactory(NioUdtProvider.MESSAGE_CONNECTOR).handler(new ChannelInitializer<UdtChannel>() {

            @Override
            public void initChannel(final UdtChannel ch) throws Exception {
                ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new MsgEchoClientHandler());
            }
        });
        // Start the client.
        final ChannelFuture f = boot.connect(HOST, PORT).sync();
        // Wait until the connection is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down the event loop to terminate all threads.
        connectGroup.shutdownGracefully();
    }
}

Example 48 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project netty by netty.

the class MsgEchoServer method main.

public static void main(String[] args) throws Exception {
    final ThreadFactory acceptFactory = new DefaultThreadFactory("accept");
    final ThreadFactory connectFactory = new DefaultThreadFactory("connect");
    final NioEventLoopGroup acceptGroup = new NioEventLoopGroup(1, acceptFactory, NioUdtProvider.MESSAGE_PROVIDER);
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory, NioUdtProvider.MESSAGE_PROVIDER);
    // Configure the server.
    try {
        final ServerBootstrap boot = new ServerBootstrap();
        boot.group(acceptGroup, connectGroup).channelFactory(NioUdtProvider.MESSAGE_ACCEPTOR).option(ChannelOption.SO_BACKLOG, 10).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<UdtChannel>() {

            @Override
            public void initChannel(final UdtChannel ch) throws Exception {
                ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new MsgEchoServerHandler());
            }
        });
        // Start the server.
        final ChannelFuture future = boot.bind(PORT).sync();
        // Wait until the server socket is closed.
        future.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        acceptGroup.shutdownGracefully();
        connectGroup.shutdownGracefully();
    }
}

Example 49 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project netty by netty.

the class ByteEchoPeerBase method run.

public void run() throws Exception {
    final ThreadFactory connectFactory = new DefaultThreadFactory("rendezvous");
    final NioEventLoopGroup connectGroup = new NioEventLoopGroup(1, connectFactory, NioUdtProvider.BYTE_PROVIDER);
    try {
        final Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(connectGroup).channelFactory(NioUdtProvider.BYTE_RENDEZVOUS).handler(new ChannelInitializer<UdtChannel>() {

            @Override
            protected void initChannel(UdtChannel ch) throws Exception {
                ch.pipeline().addLast(new LoggingHandler(LogLevel.INFO), new ByteEchoPeerHandler(messageSize));
            }
        });
        final ChannelFuture future = bootstrap.connect(peerAddress, myAddress).sync();
        future.channel().closeFuture().sync();
    } finally {
        connectGroup.shutdownGracefully();
    }
}

Example 50 with ThreadFactory

use of java.util.concurrent.ThreadFactory in project neo4j by neo4j.

the class BatchingMultipleIndexPopulator method createThreadPool.

private ExecutorService createThreadPool() {
    int threads = getNumberOfPopulationWorkers();
    BlockingQueue<Runnable> workQueue = new LinkedBlockingQueue<>(TASK_QUEUE_SIZE);
    ThreadFactory threadFactory = daemon(FLUSH_THREAD_NAME_PREFIX);
    RejectedExecutionHandler rejectedExecutionHandler = new ThreadPoolExecutor.CallerRunsPolicy();
    return new ThreadPoolExecutor(threads, threads, 0L, TimeUnit.MILLISECONDS, workQueue, threadFactory, rejectedExecutionHandler);
}