Example usage for java.util.concurrent FutureTask run

Introduction

In this page you can find the example usage for java.util.concurrent FutureTask run.

Prototype

public void run() 

Source Link

Usage

From source file:Main.java

/**
 * Run the supplied FutureTask on the main thread. The method will block only if the current
 * thread is the main thread./*  w  ww .  j a v a  2  s.  com*/
 *
 * @param task The FutureTask to run
 * @return The queried task (to aid inline construction)
 */
public static <T> FutureTask<T> runOnUiThread(FutureTask<T> task) {
    if (runningOnUiThread()) {
        task.run();
    } else {
        postOnUiThread(task);
    }
    return task;
}

---

From source file:org.jactr.core.module.AbstractModule.java

/**
 * create a future task and execute it on the exector
 * /*from w ww . ja v  a  2s.  c o m*/
 * @param <T>
 * @param caller
 * @param executor
 * @return
 */
static public <T> Future<T> delayedFuture(Callable<T> caller, Executor executor) {
    FutureTask<T> future = new FutureTask<T>(caller);
    if (executor != null)
        executor.execute(future);
    else
        future.run();

    return future;
}

---

From source file:org.jactr.core.module.AbstractModule.java

static public <T> Future<T> immediateReturn(T value) {
    FutureTask<T> ft = new FutureTask<T>(new Runnable() {
        public void run() {
            // noop
        }// ww w . j a  va2 s  . c om
    }, value);
    ft.run();
    return ft;
}

---

From source file:cc.gospy.core.util.StringHelper.java

public static String getMyExternalIp() {
    if (myExternalIp == null) {
        try {//  w ww.  jav a 2s.  c  om
            logger.info("Querying external ip...");
            FutureTask futureTask = new FutureTask<>(() -> {
                URL ipEcho = new URL("http://ipecho.net/plain");
                BufferedReader in = new BufferedReader(new InputStreamReader(ipEcho.openStream()));
                String resultIp = in.readLine();
                in.close();
                return resultIp;
            });
            futureTask.run();
            myExternalIp = (String) futureTask.get(3, TimeUnit.SECONDS);
            logger.info("My external ip: {}", myExternalIp);
        } catch (TimeoutException e) {
            myExternalIp = "unknown ip";
            logger.error("Get external ip failure, cause: Timeout (3 seconds)");
        } catch (Exception e) {
            myExternalIp = "unknown ip";
            logger.error("Get external ip failure, cause: {}", e.getMessage());
        }
    }
    return myExternalIp;
}

---

From source file:com.googlecode.aviator.AviatorEvaluator.java

/**
 * Compile a text expression to Expression object
 *
 * @param expression//w ww.  jav  a  2  s  .  co  m
 *            text expression
 * @param cached
 *            Whether to cache the compiled result,make true to cache it.
 * @return
 */
public static Expression compile(final String expression, boolean cached) {
    if (expression == null || expression.trim().length() == 0)
        throw new CompileExpressionErrorException("Blank expression");

    if (cached) {
        FutureTask<Expression> task = cacheExpressions.get(expression);
        if (task != null)
            return getCompiledExpression(expression, task);
        task = new FutureTask<Expression>(new Callable<Expression>() {
            @Override
            public Expression call() throws Exception {
                return innerCompile(expression);
            }

        });
        FutureTask<Expression> existedTask = cacheExpressions.putIfAbsent(expression, task);
        if (existedTask == null) {
            existedTask = task;
            existedTask.run();
        }
        return getCompiledExpression(expression, existedTask);

    } else
        return innerCompile(expression);

}

---

From source file:net.minecraftforge.fml.common.FMLCommonHandler.java

public static void callFuture(FutureTask task) {
    try {/*from w  w  w. j a  v a2 s  . c o m*/
        task.run();
        task.get(); // Forces the exception to be thrown if any
    } catch (InterruptedException e) {
        FMLLog.log(Level.FATAL, e, "Exception caught executing FutureTask: " + e.toString());
    } catch (ExecutionException e) {
        FMLLog.log(Level.FATAL, e, "Exception caught executing FutureTask: " + e.toString());
    }
}

---

From source file:com.google.code.jconfig.factory.ConfigurationPluginFactory.java

/**
 * <p>/* www  .j  a v  a  2  s .c  o m*/
 *    Returns a plugin instance of type <em>classname</em>.
 * </p>
 * 
 * <p>
 *    If the implementation class use the {@link Cacheable} annotation, it
 *    will be cached for future reuse otherwise a new instance will be
 *    created at every request.
 * </p>
 * 
 * @param classname the full name of an instance of
 *                  {@link IConfigurationPlugin}.
 * @return the plugin instance.
 * @throws PluginInstantiationException
 */
public static IConfigurationPlugin<?> getPlugin(final String classname) throws PluginInstantiationException {

    try {
        if (ClassUtils.getClass(classname).getAnnotation(Cacheable.class) == null) {
            logger.debug("Plugin <" + classname + "> is not cacheable. Creating a new one.");
            return (IConfigurationPlugin<?>) Class.forName(classname).newInstance();
        }
    } catch (Exception e) {
        throw new PluginInstantiationException(e.getMessage(), e);
    }

    // cacheable plugin
    FutureTask<IConfigurationPlugin<?>> theTask = cache.get(classname);
    if (theTask == null) {
        logger.debug("No plugin of class <" + classname + "> available. Creatine a new one.");
        Callable<IConfigurationPlugin<?>> eval = new Callable<IConfigurationPlugin<?>>() {

            public IConfigurationPlugin<?> call() throws Exception {
                IConfigurationPlugin<?> plugin = (IConfigurationPlugin<?>) Class.forName(classname)
                        .newInstance();
                return plugin;
            }
        };

        FutureTask<IConfigurationPlugin<?>> thePluginExec = new FutureTask<IConfigurationPlugin<?>>(eval);
        theTask = cache.putIfAbsent(classname, thePluginExec);
        if (theTask == null) {
            theTask = thePluginExec;
            theTask.run();
        }
        logger.debug("New plugin of class <" + classname + "> ready to be used and cached.");
    } else {
        logger.debug("Plugin of class <" + classname + "> available in cache. Using the cached one.");
    }

    try {
        return theTask.get();
    } catch (Exception e) {
        throw new PluginInstantiationException(e.getMessage(), e);
    } finally {
        logger.debug("plugin cache size: " + cache.size() + " - cache detail: " + cache);
    }
}

---

From source file:net.dryuf.concurrent.benchmark.NoListenerBenchmark.java

@Benchmark
@Warmup(iterations = WARMUP_ITERATIONS)//from w w  w . j  a  v a 2 s  . co  m
@Measurement(iterations = 2, batchSize = 1)
@Fork(warmups = 1, value = 1)
public void benchmarkJdk() throws Exception {
    for (long i = 0; i < COUNT; ++i) {
        FutureTask<Integer> future = new FutureTask<Integer>(() -> {
            return 0;
        });
        future.run();
    }
}

---

From source file:net.dryuf.concurrent.benchmark.SinglePostListenerBenchmark.java

@Benchmark
@Warmup(iterations = WARMUP_ITERATIONS)//from ww  w .j  av a2 s  . c  o m
@Measurement(iterations = 1, batchSize = 1)
@Fork(warmups = 1, value = 1)
public void benchmarkJdk() throws Exception {
    for (long i = 0; i < COUNT; ++i) {
        FutureTask<Integer> future = new FutureTask<Integer>(() -> {
            return 0;
        });
        future.run();
    }
}

---

From source file:net.dryuf.concurrent.benchmark.DoublePreListenerBenchmark.java

@Benchmark
@Warmup(iterations = WARMUP_ITERATIONS)//w w w . j  av  a2s.c  om
@Measurement(iterations = 1, batchSize = 1)
@Fork(warmups = 1, value = 1)
public void benchmarkJdk() throws Exception {
    for (long i = 0; i < COUNT; ++i) {
        FutureTask<Integer> future = new FutureTask<Integer>(() -> {
            return 0;
        });
        future.run();
        future.get();
    }
}

---

• «
• 1
• 2
• 3
• 4
• »