Example usage for java.util.concurrent CancellationException CancellationException

List of usage examples for java.util.concurrent CancellationException CancellationException

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Introduction

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

Prototype

public CancellationException(String message)

Source Link

Document

Constructs a CancellationException with the specified detail message.

Usage

From source file:com.amazonaws.mobileconnectors.s3.transfermanager.internal.UploadCallable.java

/**
 * Uploads all parts in the request in serial in this thread, then completes
 * the upload and returns the result.//from  w ww  .j a va 2 s.c  o m
 */
private UploadResult uploadPartsInSeries(UploadPartRequestFactory requestFactory) {

    final List<PartETag> partETags = new ArrayList<PartETag>();

    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        UploadPartRequest uploadPartRequest = requestFactory.getNextUploadPartRequest();
        // Mark the stream in case we need to reset it
        InputStream inputStream = uploadPartRequest.getInputStream();
        if (inputStream != null && inputStream.markSupported()) {
            if (uploadPartRequest.getPartSize() >= Integer.MAX_VALUE) {
                inputStream.mark(Integer.MAX_VALUE);
            } else {
                inputStream.mark((int) uploadPartRequest.getPartSize());
            }
        }
        partETags.add(s3.uploadPart(uploadPartRequest).getPartETag());
    }

    CompleteMultipartUploadResult completeMultipartUploadResult = s3
            .completeMultipartUpload(new CompleteMultipartUploadRequest(putObjectRequest.getBucketName(),
                    putObjectRequest.getKey(), multipartUploadId, partETags));

    UploadResult uploadResult = new UploadResult();
    uploadResult.setBucketName(completeMultipartUploadResult.getBucketName());
    uploadResult.setKey(completeMultipartUploadResult.getKey());
    uploadResult.setETag(completeMultipartUploadResult.getETag());
    uploadResult.setVersionId(completeMultipartUploadResult.getVersionId());
    return uploadResult;
}

From source file:org.apache.hadoop.hbase.master.snapshot.RestoreSnapshotHandler.java

@Override
public void cancel(String why) {
    if (this.stopped)
        return;/*from w ww.j a  v  a2  s.  c  o m*/
    this.stopped = true;
    String msg = "Stopping restore snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot) + " because: "
            + why;
    LOG.info(msg);
    CancellationException ce = new CancellationException(why);
    this.monitor.receive(new ForeignException(masterServices.getServerName().toString(), ce));
}

From source file:com.microsoft.azuretools.utils.WebAppUtils.java

public static void deployCustomJdk(WebApp webApp, String jdkDownloadUrl, WebContainer webContainer,
        IProgressIndicator indicator) throws IOException, InterruptedException, WebAppException {
    FTPClient ftp = null;/*from  w  w  w .j  a v  a 2s  .c  om*/
    String customJdkFolderName = null;
    try {

        PublishingProfile pp = webApp.getPublishingProfile();
        ftp = getFtpConnection(pp);

        // stop and restart web app
        //            if (indicator != null) indicator.setText("Stopping the service...");
        //            webApp.stop();

        if (indicator != null)
            indicator.setText("Deleting custom jdk artifacts, if any (takes a while)...");
        removeCustomJdkArtifacts(ftp, indicator);

        if (indicator != null)
            indicator.setText("Uploading scripts...");
        uploadJdkDownloadScript(ftp, jdkDownloadUrl);

        //            if (indicator != null) indicator.setText("Starting the service...");
        //            webApp.start();

        final String siteUrl = "https://" + webApp.defaultHostName();

        // send get to activate the script
        sendGet(siteUrl);

        // Polling report.txt...
        if (indicator != null)
            indicator.setText("Checking the JDK gets downloaded and unpacked...");
        //int step = 0;
        while (!doesRemoteFileExist(ftp, ftpRootPath, reportFilename)) {
            if (indicator != null && indicator.isCanceled())
                throw new CancellationException("Canceled by user.");
            //if (step++ > 3) checkFreeSpaceAvailability(ftp);
            Thread.sleep(5000);
            sendGet(siteUrl);
        }

        if (indicator != null)
            indicator.setText("Checking status...");
        OutputStream reportFileStream = new ByteArrayOutputStream();
        ftp.retrieveFile("report.txt", reportFileStream);
        String reportFileString = reportFileStream.toString();
        if (reportFileString.startsWith("FAIL")) {
            String err = reportFileString.substring(reportFileString.indexOf(":" + 1));
            throw new WebAppException(err);
        }

        // get top level jdk folder name (under jdk folder)
        FTPFile[] ftpDirs = ftp.listDirectories(ftpJdkPath);
        if (ftpDirs.length != 1) {
            String err = "Bad JDK archive. Please make sure the JDK archive contains a single JDK folder. For example, 'my-jdk1.7.0_79.zip' archive should contain 'jdk1.7.0_79' folder only";
            throw new WebAppException(err);
        }

        customJdkFolderName = ftpDirs[0].getName();

        uploadWebConfigForCustomJdk(ftp, webApp, customJdkFolderName, webContainer, indicator);
    } catch (IOException | WebAppException | InterruptedException ex) {
        if (doesRemoteFolderExist(ftp, ftpRootPath, jdkFolderName)) {
            indicator.setText("Error happened. Cleaning up...");
            removeFtpDirectory(ftp, ftpJdkPath, indicator);
        }
        throw ex;
    } finally {
        indicator.setText("Removing working data from server...");
        cleanupWorkerData(ftp);
        if (ftp != null && ftp.isConnected()) {
            ftp.disconnect();
        }
    }
}

From source file:org.apache.axis2.jaxws.client.async.AsyncResponse.java

public Object get() throws InterruptedException, ExecutionException {
    if (cancelled) {
        throw new CancellationException(Messages.getMessage("getErr"));
    }/*www . j a  va  2 s. c  o m*/

    // Wait for the response to come back
    if (log.isDebugEnabled()) {
        log.debug("Waiting for async response delivery.");
    }

    // If latch count > 0, it means we have not yet received
    // and processed the async response, and must block the
    // thread.
    latch.await();

    if (savedException != null) {
        throw savedException;
    }

    return responseObject;
}

From source file:com.amazonaws.services.s3.transfer.internal.UploadCallable.java

/**
 * Submits a callable for each part to upload to our thread pool and records its corresponding Future.
 *///  w  ww.j  ava2 s .c o  m
private void uploadPartsInParallel(UploadPartRequestFactory requestFactory, String uploadId) {

    Map<Integer, PartSummary> partNumbers = identifyExistingPartsForResume(uploadId);

    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        UploadPartRequest request = requestFactory.getNextUploadPartRequest();
        if (partNumbers.containsKey(request.getPartNumber())) {
            PartSummary summary = partNumbers.get(request.getPartNumber());
            eTagsToSkip.add(new PartETag(request.getPartNumber(), summary.getETag()));
            continue;
        }
        futures.add(threadPool.submit(new UploadPartCallable(s3, request)));
    }
}

From source file:com.amazonaws.mobileconnectors.s3.transfermanager.internal.UploadCallable.java

/**
 * Submits a callable for each part to upload to our thread pool and records
 * its corresponding Future./*from w w  w  .  j ava2 s . com*/
 */
private void uploadPartsInParallel(UploadPartRequestFactory requestFactory, String uploadId) {

    Map<Integer, PartSummary> partNumbers = identifyExistingPartsForResume(uploadId);

    while (requestFactory.hasMoreRequests()) {
        if (threadPool.isShutdown())
            throw new CancellationException("TransferManager has been shutdown");
        UploadPartRequest request = requestFactory.getNextUploadPartRequest();
        if (partNumbers.containsKey(request.getPartNumber())) {
            PartSummary summary = partNumbers.get(request.getPartNumber());
            eTagsToSkip.add(new PartETag(request.getPartNumber(), summary.getETag()));
            transferProgress.updateProgress(summary.getSize());
            continue;
        }
        futures.add(threadPool.submit(new UploadPartCallable(s3, request)));
    }
}

From source file:org.apache.axis2.jaxws.client.async.AsyncResponse.java

public Object get(long timeout, TimeUnit unit)
        throws InterruptedException, ExecutionException, TimeoutException {
    if (cancelled) {
        throw new CancellationException(Messages.getMessage("getErr"));
    }/*from   w  ww.  jav  a 2s .c  o m*/

    // Wait for the response to come back
    if (log.isDebugEnabled()) {
        log.debug("Waiting for async response delivery with time out.");
        log.debug("timeout = " + timeout);
        log.debug("units   = " + unit);
    }

    // latch.await will only block if its count is > 0
    latch.await(timeout, unit);

    if (savedException != null) {
        throw savedException;
    }

    // If the response still hasn't been returned, then we've timed out
    // and must throw a TimeoutException
    if (latch.getCount() > 0) {
        throw new TimeoutException(Messages.getMessage("getErr1"));
    }

    return responseObject;
}

From source file:org.apache.hadoop.hbase.master.snapshot.TakeSnapshotHandler.java

@Override
public void cancel(String why) {
    if (finished)
        return;/*from   w w w.  ja v a 2s  .  c om*/

    this.finished = true;
    LOG.info("Stop taking snapshot=" + ClientSnapshotDescriptionUtils.toString(snapshot) + " because: " + why);
    CancellationException ce = new CancellationException(why);
    monitor.receive(new ForeignException(master.getServerName().toString(), ce));
}

From source file:org.onosproject.store.consistent.impl.DistributedLeadershipManager.java

private void doWithdraw(String path, CompletableFuture<Void> future) {
    if (activeTopics.contains(path)) {
        future.completeExceptionally(/*ww w  .j av  a 2 s  .c  o  m*/
                new CancellationException(String.format("%s is now a active topic", path)));
    }
    try {
        leaderMap.computeIf(path, localNodeId::equals, (topic, leader) -> null);
        candidateMap.computeIf(path, candidates -> candidates != null && candidates.contains(localNodeId),
                (topic, candidates) -> candidates.stream().filter(nodeId -> !localNodeId.equals(nodeId))
                        .collect(Collectors.toList()));
        future.complete(null);
    } catch (Exception e) {
        log.debug("Failed to verify (and clear) any lock this node might be holding for {}", path, e);
        retryWithdraw(path, future);
    }
}

From source file:org.csploit.android.services.UpdateService.java

/**
 * check if an archive is valid by reading it.
 * @throws RuntimeException if trying to run this with no archive
 *//* w  w w. j  a v a 2s  .c o m*/
private void verifyArchiveIntegrity() throws RuntimeException, KeyException {
    File f;
    long total;
    short old_percentage, percentage;
    CountingInputStream counter;
    ArchiveInputStream is;
    byte[] buffer;
    String rootDirectory;

    Logger.info("verifying archive integrity");

    if (mCurrentTask == null || mCurrentTask.path == null)
        throw new RuntimeException("no archive to test");

    mBuilder.setContentTitle(getString(R.string.checking)).setSmallIcon(android.R.drawable.ic_popup_sync)
            .setContentText("").setContentInfo("").setProgress(100, 0, true);
    mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());

    f = new File(mCurrentTask.path);
    try {
        counter = new CountingInputStream(new FileInputStream(f));
    } catch (FileNotFoundException e) {
        throw new RuntimeException(String.format("archive '%s' does not exists", mCurrentTask.path));
    }

    try {
        is = openArchiveStream(counter);
        ArchiveEntry entry;
        buffer = new byte[2048];
        total = f.length();
        old_percentage = -1;
        rootDirectory = null;

        // consume the archive
        while (mRunning && (entry = is.getNextEntry()) != null) {
            if (!mCurrentTask.skipRoot)
                continue;

            String name = entry.getName();

            if (rootDirectory == null) {
                if (name.contains("/")) {
                    rootDirectory = name.substring(0, name.indexOf('/'));
                } else if (entry.isDirectory()) {
                    rootDirectory = name;
                } else {
                    throw new IOException(
                            String.format("archive '%s' contains files under it's root", mCurrentTask.path));
                }
            } else {
                if (!name.startsWith(rootDirectory)) {
                    throw new IOException("multiple directories found in the archive root");
                }
            }
        }

        while (mRunning && is.read(buffer) > 0) {
            percentage = (short) (((double) counter.getBytesRead() / total) * 100);
            if (percentage != old_percentage) {
                mBuilder.setProgress(100, percentage, false).setContentInfo(percentage + "%");
                mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
                old_percentage = percentage;
            }
        }
    } catch (IOException e) {
        throw new KeyException("corrupted archive: " + e.getMessage());
    } finally {
        try {
            counter.close();
        } catch (IOException ignore) {
        }
    }

    if (!mRunning)
        throw new CancellationException("archive integrity check cancelled");

    if (mCurrentTask.skipRoot && rootDirectory == null)
        throw new KeyException(String.format("archive '%s' is empty", mCurrentTask.path));
}