Example usage for java.util.concurrent FutureTask isDone

List of usage examples for java.util.concurrent FutureTask isDone

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Introduction

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

Prototype

public boolean isDone()

Source Link

Usage

From source file:com.taobao.tair.comm.TairClientFactory.java

public void close() {
    for (FutureTask<TairClient> task : clients.values()) {
        if (task.isDone() || !task.cancel(true)) {
            TairClient client = null;//from  w w w  .ja  va2 s .c  o m
            try {
                client = task.get();
            } catch (InterruptedException e) {
                LOGGER.warn(e);
            } catch (ExecutionException e) {
                LOGGER.warn(e);
            } catch (CancellationException e) {
            }
            client.close();
        }
    }
    clients.clear();
}

From source file:de.uni_rostock.goodod.owl.OntologyCache.java

public synchronized void flushCache() {
    for (Entry<URI, FutureTask<OWLOntology>> f : futures.entrySet()) {
        FutureTask<OWLOntology> future = f.getValue();
        if (false == future.isDone()) {
            future.cancel(true);/*w  w  w  . j av a 2  s  . c o m*/
        }
    }
    futures.clear();
}

From source file:ubic.gemma.core.loader.util.fetcher.HttpFetcher.java

protected Collection<LocalFile> doTask(FutureTask<Boolean> future, String seekFile, String outputFileName) {
    Executors.newSingleThreadExecutor().execute(future);
    try {/*  ww  w  .  j  av a  2s.c o m*/

        while (!future.isDone()) {
            try {
                Thread.sleep(AbstractFetcher.INFO_UPDATE_INTERVAL);
            } catch (InterruptedException ignored) {

            }
            AbstractFetcher.log.info((new File(outputFileName).length() + " bytes read"));
        }
        if (future.get()) {
            return this.listFiles(seekFile, outputFileName);
        }
    } catch (ExecutionException | IOException e) {
        throw new RuntimeException("Couldn't fetch file for " + seekFile, e);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted: Couldn't fetch file for " + seekFile, e);
    }
    throw new RuntimeException("Couldn't fetch file for " + seekFile);
}

From source file:de.uni_rostock.goodod.owl.OntologyCache.java

public synchronized void removeOntologyAtURI(URI u) {
    FutureTask<OWLOntology> future = futures.get(u);
    if (null == future) {
        return;//from w w  w. ja  v a2 s .  c o  m
    } else if (false == future.isDone()) {
        future.cancel(true);
    }
    futures.remove(u);
}

From source file:org.apache.hadoop.corona.TestMiniCoronaRunJob.java

private void checkTaskNotDone(FutureTask<Boolean> task, int seconds) throws Exception {
    for (int i = 0; i < seconds; ++i) {
        if (task.isDone()) {
            // Job should not finish because of the memory limit
            Assert.fail();/*w w w.  j  a va 2  s  .c  o m*/
        }
        Thread.sleep(1L);
    }
}

From source file:dk.dbc.opensearch.datadock.DatadockPool.java

/**
 * Checks the jobs submitted for execution
 * //from ww w  . ja  va2 s  .  com
 * if a Job throws an exception it is written to the log and the
 * datadock continues.
 *
 * @throws InterruptedException if the job.get() call is interrupted (by kill or otherwise).
 */
public void checkJobs() throws InterruptedException {
    log.debug("DatadockPool method checkJobs called");

    log.debug(String.format("job size = %s", jobs.size()));

    Set<IIdentifier> finishedJobs = new HashSet<IIdentifier>();
    for (IIdentifier id : jobs.keySet()) {
        FutureTask<Boolean> job = jobs.get(id);
        log.debug(String.format("job is done: %s", job.isDone()));
        if (job.isDone()) {
            Boolean success = Boolean.FALSE;

            try {
                log.debug("DatadockPool checking job");
                success = job.get();
            } catch (ExecutionException ee) {
                // getting exception from thread
                Throwable cause = ee.getCause();
                log.error(String.format("Exception caught for identifier: %s, from thread: '%s'", id, cause),
                        cause);

                log.info(String.format("Setting status to FAILURE for identifier: %s with message: '%s'", id,
                        cause.getMessage()));
                try {
                    String msg = cause.getMessage() == null ? cause.toString() : cause.getMessage(); // avoid giving null to setStatusFailure
                    harvester.setStatusFailure(id, msg);
                } catch (HarvesterUnknownIdentifierException ex) {
                    String error = String.format(
                            "Failed to set failure status for identifier: %s . Message: %s", id,
                            ex.getMessage());
                    log.error(error, ex);
                } catch (HarvesterInvalidStatusChangeException ex) {
                    String error = String.format(
                            "Failed to set failure status for identifier: %s . Message: %s", id,
                            ex.getMessage());
                    log.error(error, ex);
                } catch (HarvesterIOException ex) {
                    String error = String.format(
                            "Failed to set failure status for identifier: %s . Message: %s", id,
                            ex.getMessage());
                    log.error(error, ex);
                }
            }

            log.debug("DatadockPool adding to finished jobs");
            finishedJobs.add(id);
        }
    }

    for (IIdentifier finishedJobId : finishedJobs) {
        log.debug(String.format("Removing Job with id: %s. Remaining jobs: %s", finishedJobId, jobs.size()));
        jobs.remove(finishedJobId);
    }
}

From source file:ubic.gemma.loader.util.fetcher.HttpFetcher.java

/**
 * @param future/*  w  w w  .  j  av a 2  s .c  o  m*/
 * @param seekFile
 * @param outputFileName
 * @return
 */
protected Collection<LocalFile> doTask(FutureTask<Boolean> future, String seekFile, String outputFileName) {
    Executors.newSingleThreadExecutor().execute(future);
    try {

        while (!future.isDone()) {
            try {
                Thread.sleep(INFO_UPDATE_INTERVAL);
            } catch (InterruptedException ie) {

            }
            log.info((new File(outputFileName).length() + " bytes read"));
        }
        if (future.get().booleanValue()) {
            return listFiles(seekFile, outputFileName);
        }
    } catch (ExecutionException e) {
        throw new RuntimeException("Couldn't fetch file for " + seekFile, e);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted: Couldn't fetch file for " + seekFile, e);
    } catch (IOException e) {
        throw new RuntimeException("Couldn't fetch file for " + seekFile, e);
    }
    throw new RuntimeException("Couldn't fetch file for " + seekFile);
}

From source file:ubic.gemma.loader.util.fetcher.AbstractFetcher.java

/**
 * @param future//from   www.  ja  v a2  s .c  om
 * @return true if it finished normally, false if it was cancelled.
 */
protected boolean waitForDownload(FutureTask<Boolean> future) {
    StopWatch timer = new StopWatch();
    timer.start();
    long lastTime = timer.getTime();
    while (!future.isDone() && !future.isCancelled()) {
        try {
            Thread.sleep(INFO_UPDATE_INTERVAL);
        } catch (InterruptedException ie) {
            log.info("Cancelling download");
            boolean cancelled = future.cancel(true);
            if (cancelled) {
                log.info("Download stopped successfully.");
                return false;
            }
            throw new RuntimeException("Cancellation failed.");

        }

        if (log.isInfoEnabled() && timer.getTime() > (lastTime + 2000L)) {
            log.info("Waiting ... " + timer.getTime() + "ms elapsed....");
        }
    }
    return true;
}

From source file:ubic.gemma.core.loader.util.fetcher.AbstractFetcher.java

/**
 * @param future future task/*from  w ww .  ja v a  2 s . c  om*/
 * @return true if it finished normally, false if it was cancelled.
 */
protected boolean waitForDownload(FutureTask<Boolean> future) {
    StopWatch timer = new StopWatch();
    timer.start();
    long lastTime = timer.getTime();
    while (!future.isDone() && !future.isCancelled()) {
        try {
            Thread.sleep(AbstractFetcher.INFO_UPDATE_INTERVAL);
        } catch (InterruptedException ie) {
            AbstractFetcher.log.info("Cancelling download");
            boolean cancelled = future.cancel(true);
            if (cancelled) {
                AbstractFetcher.log.info("Download stopped successfully.");
                return false;
            }
            throw new RuntimeException("Cancellation failed.");

        }

        if (AbstractFetcher.log.isInfoEnabled() && timer.getTime() > (lastTime + 2000L)) {
            AbstractFetcher.log.info("Waiting ... " + timer.getTime() + "ms elapsed....");
        }
    }
    return true;
}

From source file:ubic.gemma.loader.util.fetcher.AbstractFetcher.java

/**
 * @param future//from www .j  a v  a2 s  .  com
 * @param expectedSize
 * @param outputFileName
 * @return true if it finished normally, false if it was cancelled.
 */
protected boolean waitForDownload(FutureTask<Boolean> future, long expectedSize, File outputFile) {
    int iters = 0;
    long previousSize = 0;
    StopWatch idleTimer = new StopWatch();
    while (!future.isDone() && !future.isCancelled()) {
        try {
            Thread.sleep(INFO_UPDATE_INTERVAL);
        } catch (InterruptedException ie) {
            log.info("Cancelling download");
            boolean cancelled = future.cancel(true);
            if (cancelled) {
                return false;
            }

            // double check...
            if (future.isCancelled() || future.isDone()) {
                return false;
            }

            log.error("Cancellation of actual download might not have happend? Task says it was not cancelled: "
                    + future);

            return false;

        }

        /*
         * Avoid logging too much. If we're waiting for a long download, reduce frequency of updates.
         */
        if (outputFile.length() < expectedSize
                && (iters < NUMBER_OF_TIMES_TO_LOG_WAITING_BEFORE_REDUCING_VERBOSITY
                        || iters % NUMBER_OF_TIMES_TO_LOG_WAITING_BEFORE_REDUCING_VERBOSITY == 0)) {

            double percent = 100.00 * outputFile.length() / expectedSize;

            // can cause npe error, breaking hot deploy
            if (log != null && log.isInfoEnabled()) {
                log.info((outputFile.length() + (expectedSize > 0 ? "/" + expectedSize : "") + " bytes read ("
                        + String.format("%.1f", percent) + "%)"));
            }

            if (previousSize == outputFile.length()) {
                /*
                 * Possibly consider bailing after a while.
                 */
                if (idleTimer.getTime() > STALLED_BAIL_TIME_LIMIT) {
                    log.warn("Download does not seem to be happening, bailing");
                    return false;
                }
                if (idleTimer.getTime() == 0)
                    idleTimer.start();
            } else {
                idleTimer.reset();
                idleTimer.start();
            }
        }

        if (outputFile.length() >= expectedSize) {
            // no special action, it will finish soon enough.
        }

        previousSize = outputFile.length();

        iters++;
    }
    if (iters == 0)
        log.info("File with size " + outputFile.length() + " bytes.");
    return true;
}