Java Code Examples for java.nio.channels.AsynchronousChannelGroup#withCachedThreadPool()

The following examples show how to use java.nio.channels.AsynchronousChannelGroup#withCachedThreadPool() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AsExecutor.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 2
Source File: AsExecutor.java    From jdk8u-dev-jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 3
Source File: AsExecutor.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 4
Source File: SncpTest.java    From redkale with Apache License 2.0 5 votes vote down vote up 
public static AsynchronousChannelGroup newChannelGroup() throws IOException {
    final AtomicInteger counter = new AtomicInteger();
    ExecutorService transportExec = Executors.newFixedThreadPool(16, (Runnable r) -> {
        Thread t = new Thread(r);
        t.setDaemon(true);
        t.setName("Transport-Thread-" + counter.incrementAndGet());
        return t;
    });
    return AsynchronousChannelGroup.withCachedThreadPool(transportExec, 1);
}
Example 5
Source File: AsyncChannelGroupUtil.java    From tomcatsrc with Apache License 2.0 5 votes vote down vote up 
private static AsynchronousChannelGroup createAsynchronousChannelGroup() {
    // Need to do this with the right thread context class loader else the
    // first web app to call this will trigger a leak
    ClassLoader original = Thread.currentThread().getContextClassLoader();

    try {
        Thread.currentThread().setContextClassLoader(
                AsyncIOThreadFactory.class.getClassLoader());

        // These are the same settings as the default
        // AsynchronousChannelGroup
        int initialSize = Runtime.getRuntime().availableProcessors();
        ExecutorService executorService = new ThreadPoolExecutor(
                0,
                Integer.MAX_VALUE,
                Long.MAX_VALUE, TimeUnit.MILLISECONDS,
                new SynchronousQueue<Runnable>(),
                new AsyncIOThreadFactory());

        try {
            return AsynchronousChannelGroup.withCachedThreadPool(
                    executorService, initialSize);
        } catch (IOException e) {
            // No good reason for this to happen.
            throw new IllegalStateException(sm.getString("asyncChannelGroup.createFail"));
        }
    } finally {
        Thread.currentThread().setContextClassLoader(original);
    }
}
Example 6
Source File: AsExecutor.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 7
Source File: AsExecutor.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 8
Source File: AsExecutor.java    From openjdk-8-source with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 9
Source File: AsExecutor.java    From hottub with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 10
Source File: AsyncChannelGroupUtil.java    From Tomcat8-Source-Read with MIT License 5 votes vote down vote up 
private static AsynchronousChannelGroup createAsynchronousChannelGroup() {
    // Need to do this with the right thread context class loader else the
    // first web app to call this will trigger a leak
    ClassLoader original = Thread.currentThread().getContextClassLoader();

    try {
        Thread.currentThread().setContextClassLoader(
                AsyncIOThreadFactory.class.getClassLoader());

        // These are the same settings as the default
        // AsynchronousChannelGroup
        int initialSize = Runtime.getRuntime().availableProcessors();
        ExecutorService executorService = new ThreadPoolExecutor(
                0,
                Integer.MAX_VALUE,
                Long.MAX_VALUE, TimeUnit.MILLISECONDS,
                new SynchronousQueue<Runnable>(),
                new AsyncIOThreadFactory());

        try {
            return AsynchronousChannelGroup.withCachedThreadPool(
                    executorService, initialSize);
        } catch (IOException e) {
            // No good reason for this to happen.
            throw new IllegalStateException(sm.getString("asyncChannelGroup.createFail"));
        }
    } finally {
        Thread.currentThread().setContextClassLoader(original);
    }
}
Example 11
Source File: AsExecutor.java    From openjdk-jdk9 with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 12
Source File: AsExecutor.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 13
Source File: AsyncChannelGroupUtil.java    From Tomcat7.0.67 with Apache License 2.0 5 votes vote down vote up 
private static AsynchronousChannelGroup createAsynchronousChannelGroup() {
    // Need to do this with the right thread context class loader else the
    // first web app to call this will trigger a leak
    ClassLoader original = Thread.currentThread().getContextClassLoader();

    try {
        Thread.currentThread().setContextClassLoader(
                AsyncIOThreadFactory.class.getClassLoader());

        // These are the same settings as the default
        // AsynchronousChannelGroup
        int initialSize = Runtime.getRuntime().availableProcessors();
        ExecutorService executorService = new ThreadPoolExecutor(
                0,
                Integer.MAX_VALUE,
                Long.MAX_VALUE, TimeUnit.MILLISECONDS,
                new SynchronousQueue<Runnable>(),
                new AsyncIOThreadFactory());

        try {
            return AsynchronousChannelGroup.withCachedThreadPool(
                    executorService, initialSize);
        } catch (IOException e) {
            // No good reason for this to happen.
            throw new IllegalStateException(sm.getString("asyncChannelGroup.createFail"));
        }
    } finally {
        Thread.currentThread().setContextClassLoader(original);
    }
}
Example 14
Source File: AsExecutor.java    From openjdk-jdk8u with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 15
Source File: AsExecutor.java    From jdk8u60 with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 16
Source File: AsExecutor.java    From TencentKona-8 with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}
Example 17
Source File: AsExecutor.java    From dragonwell8_jdk with GNU General Public License v2.0 5 votes vote down vote up 
public static void main(String[] args) throws Exception {
    // create channel groups
    ThreadFactory factory = new PrivilegedThreadFactory();
    AsynchronousChannelGroup group1 = AsynchronousChannelGroup
        .withFixedThreadPool(5, factory);
    AsynchronousChannelGroup group2 = AsynchronousChannelGroup
        .withCachedThreadPool(Executors.newCachedThreadPool(factory), 0);
    AsynchronousChannelGroup group3 = AsynchronousChannelGroup
        .withThreadPool(Executors.newFixedThreadPool(10, factory));

    try {
        // execute simple tasks
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // install security manager and test again
        System.setSecurityManager( new SecurityManager() );
        testSimpleTask(group1);
        testSimpleTask(group2);
        testSimpleTask(group3);

        // attempt to execute tasks that run with only frames from boot
        // class loader on the stack.
        testAttackingTask(group1);
        testAttackingTask(group2);
        testAttackingTask(group3);
    } finally {
        group1.shutdown();
        group2.shutdown();
        group3.shutdown();
    }
}