Example usage for com.google.common.io Closer create

Introduction

In this page you can find the example usage for com.google.common.io Closer create.

Prototype

public static Closer create() 

Source Link

Document

Creates a new Closer .

Usage

From source file:gobblin.runtime.JobLauncherTestHelper.java

public void runTestWithCancellation(final Properties jobProps) throws Exception {
    String jobName = jobProps.getProperty(ConfigurationKeys.JOB_NAME_KEY);
    String jobId = JobLauncherUtils.newJobId(jobName).toString();
    jobProps.setProperty(ConfigurationKeys.JOB_ID_KEY, jobId);

    Closer closer = Closer.create();
    try {/*  w  w w .j a va  2  s  .  com*/
        final JobLauncher jobLauncher = closer
                .register(JobLauncherFactory.newJobLauncher(this.launcherProps, jobProps));

        final AtomicBoolean isCancelled = new AtomicBoolean(false);
        // This thread will cancel the job after some time
        Thread thread = new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(500);
                    jobLauncher.cancelJob(null);
                    isCancelled.set(true);
                } catch (Exception je) {
                    // Ignored
                }
            }
        });
        thread.start();

        jobLauncher.launchJob(null);
        Assert.assertTrue(isCancelled.get());
    } finally {
        closer.close();
    }

    List<JobState.DatasetState> datasetStateList = this.datasetStateStore.getAll(jobName, jobId + ".jst");
    Assert.assertTrue(datasetStateList.isEmpty());
}

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From source file:org.grouplens.lenskit.eval.data.subsample.SubsampleTask.java

/**
 * Run the Subsample command./*from w  w w  .  j a  v  a 2 s  . co m*/
 *
 * @return DataSource The subsample DataSource file
 * @throws org.grouplens.lenskit.eval.TaskExecutionException
 *
 */
@SuppressWarnings("PMD.AvoidCatchingThrowable")
@Override
public DataSource perform() throws TaskExecutionException {
    UpToDateChecker check = new UpToDateChecker();
    check.addInput(source.lastModified());
    File subsampleFile = getOutput();
    check.addOutput(subsampleFile);
    if (check.isUpToDate()) {
        logger.info("subsample {} up to date", getName());
        return makeDataSource();
    }
    try {
        logger.info("sampling {} of {}", subsampleFraction, source.getName());
        Closer closer = Closer.create();
        RatingWriter subsampleWriter = closer.register(RatingWriters.csv(subsampleFile));
        try {
            mode.doSample(source, subsampleWriter, subsampleFraction, getProject().getRandom());
        } catch (Throwable th) {
            throw closer.rethrow(th);
        } finally {
            closer.close();
        }
    } catch (IOException e) {
        throw new TaskExecutionException("Error writing output file", e);
    }
    return makeDataSource();
}

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From source file:se.sics.datamodel.util.DMKeyFactory.java

public static DMKeyComponents getKeyComponents(Key key) throws IOException {
    Closer closer = Closer.create();
    try {//from ww w. jav  a 2  s  .c  o m
        ByteArrayInputStream bais = closer.register(new ByteArrayInputStream(key.getArray()));
        DataInputStream r = closer.register(new DataInputStream(bais));

        ByteId dbId = deserializeByteId(r);
        byte keyType = r.readByte();
        ByteId typeId = deserializeByteId(r);

        if (keyType == DMKeyFactory.typeKF) {
            return new TypeKeyComp(dbId, typeId);
            //            } else if (keyType == DMKeyFactory.tmFieldKF) {
            //                readTMFieldKey(r, dbId, typeId);
        } else if (keyType == DMKeyFactory.dataKF) {
            return readDataKey(r, dbId, typeId);
        } else if (keyType == DMKeyFactory.indexKF) {
            return readIndexKey(r, dbId, typeId);
        } else {
            throw new IOException("getKeyComponents - unknown type of key");
        }
    } catch (Throwable e) {
        throw closer.rethrow(e);
    } finally {
        closer.close();
    }
}

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From source file:com.android.builder.internal.packaging.OldPackager.java

/**
 * Creates a new instance.//ww w.  j  a va  2 s .  c  o  m
 *
 * <p>This creates a new builder that will create the specified output file.
 *
 * @param creationData APK creation data
 * @param resLocation location of the zip with the resources, if any
 * @param logger the logger
 * @throws PackagerException failed to create the initial APK
 * @throws IOException failed to create the APK
 */
public OldPackager(@NonNull ApkCreatorFactory.CreationData creationData, @Nullable String resLocation,
        @NonNull ILogger logger) throws PackagerException, IOException {
    checkOutputFile(creationData.getApkPath());

    Closer closer = Closer.create();
    try {
        checkOutputFile(creationData.getApkPath());

        File resFile = null;
        if (resLocation != null) {
            resFile = new File(resLocation);
            checkInputFile(resFile);
        }

        mLogger = logger;

        ApkCreatorFactory factory = new SignedJarApkCreatorFactory();

        mApkCreator = factory.make(creationData);

        mLogger.verbose("Packaging %s", creationData.getApkPath().getName());

        // add the resources
        if (resFile != null) {
            addZipFile(resFile);
        }

    } catch (Throwable e) {
        closer.register(mApkCreator);
        mApkCreator = null;
        throw closer.rethrow(e, PackagerException.class);
    } finally {
        closer.close();
    }
}

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From source file:org.ow2.proactive_grid_cloud_portal.dataspace.util.VFSZipper.java

private static void copyFileContents(FileObject fo, ZipOutputStream zos) throws IOException {
    Closer closer = Closer.create();
    try {//from   w  w  w  .j  a va  2  s  .  c o  m
        InputStream inputStream = fo.getContent().getInputStream();
        closer.register(inputStream);
        ByteStreams.copy(inputStream, zos);
    } catch (IOException ioe) {
        throw closer.rethrow(ioe);
    } finally {
        closer.close();
    }
}

---

From source file:org.ow2.proactive_grid_cloud_portal.dataspace.FileSystem.java

public static void copy(InputStream is, FileObject outFile) throws IOException {
    outFile.refresh();//from   www  . j  a v  a  2  s .co  m
    Closer closer = Closer.create();
    closer.register(is);
    try {
        OutputStream os = outFile.getContent().getOutputStream();
        closer.register(os);
        ByteStreams.copy(is, os);
    } catch (IOException ioe) {
        throw closer.rethrow(ioe);
    } finally {
        closer.close();
    }
}

---

From source file:io.prestosql.elasticsearch.ElasticsearchClient.java

@PreDestroy
public void tearDown() {
    // Closer closes the resources in reverse order.
    // Therefore, we first clear the clients map, then close each client.
    try (Closer closer = Closer.create()) {
        closer.register(clients::clear);
        for (Entry<String, TransportClient> entry : clients.entrySet()) {
            closer.register(entry.getValue());
        }/*from  ww  w.  j  av  a  2 s  .  com*/
        closer.register(executor::shutdown);
    } catch (IOException e) {
        throw new UncheckedIOException(e);
    }
}

---

From source file:alluxio.client.block.stream.BlockInStream.java

/**
 * Creates an instance of {@link BlockInStream}.
 *
 * This method keeps polling the block worker until the block is cached to Alluxio or
 * it successfully acquires a UFS read token with a timeout.
 * (1) If the block is cached to Alluxio after polling, it returns {@link BlockInStream}
 *     to read the block from Alluxio storage.
 * (2) If a UFS read token is acquired after polling, it returns {@link BlockInStream}
 *     to read the block from an Alluxio worker that reads the block from UFS.
 * (3) If the polling times out, an {@link IOException} with cause
 *     {@link alluxio.exception.UfsBlockAccessTokenUnavailableException} is thrown.
 *
 * @param context the file system context
 * @param ufsPath the UFS path//w  w w.ja  v a  2  s . c  o  m
 * @param blockId the block ID
 * @param blockSize the block size
 * @param blockStart the position at which the block starts in the file
 * @param workerNetAddress the worker network address
 * @param options the options
 * @throws IOException if it fails to create an instance
 * @return the {@link BlockInStream} created
 */
// TODO(peis): Use options idiom (ALLUXIO-2579).
public static BlockInStream createUfsBlockInStream(FileSystemContext context, String ufsPath, long blockId,
        long blockSize, long blockStart, WorkerNetAddress workerNetAddress, InStreamOptions options)
        throws IOException {
    Closer closer = Closer.create();
    try {
        BlockWorkerClient blockWorkerClient = closer
                .register(context.createBlockWorkerClient(workerNetAddress));
        LockBlockOptions lockBlockOptions = LockBlockOptions.defaults().setUfsPath(ufsPath)
                .setOffset(blockStart).setBlockSize(blockSize)
                .setMaxUfsReadConcurrency(options.getMaxUfsReadConcurrency());

        LockBlockResult lockBlockResult = closer
                .register(blockWorkerClient.lockUfsBlock(blockId, lockBlockOptions)).getResult();
        PacketInStream inStream;
        if (lockBlockResult.getLockBlockStatus().blockInAlluxio()) {
            boolean local = blockWorkerClient.getDataServerAddress().getHostName()
                    .equals(NetworkAddressUtils.getClientHostName());
            if (local && Configuration.getBoolean(PropertyKey.USER_SHORT_CIRCUIT_ENABLED)) {
                inStream = closer.register(PacketInStream
                        .createLocalPacketInStream(lockBlockResult.getBlockPath(), blockId, blockSize));
            } else {
                inStream = closer.register(PacketInStream.createNettyPacketInStream(context,
                        blockWorkerClient.getDataServerAddress(), blockId, lockBlockResult.getLockId(),
                        blockWorkerClient.getSessionId(), blockSize, false,
                        Protocol.RequestType.ALLUXIO_BLOCK));
            }
            blockWorkerClient.accessBlock(blockId);
        } else {
            Preconditions.checkState(lockBlockResult.getLockBlockStatus().ufsTokenAcquired());
            inStream = closer.register(
                    PacketInStream.createNettyPacketInStream(context, blockWorkerClient.getDataServerAddress(),
                            blockId, lockBlockResult.getLockId(), blockWorkerClient.getSessionId(), blockSize,
                            !options.getAlluxioStorageType().isStore(), Protocol.RequestType.UFS_BLOCK));
        }
        return new BlockInStream(inStream, blockWorkerClient, closer, options);
    } catch (AlluxioException | IOException e) {
        CommonUtils.closeQuietly(closer);
        throw CommonUtils.castToIOException(e);
    }
}

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From source file:com.facebook.buck.parser.ParallelPerBuildState.java

public ParallelPerBuildState(DaemonicParserState permState, ConstructorArgMarshaller marshaller,
        BuckEventBus eventBus, Cell rootCell, boolean enableProfiling) {
    this.permState = permState;
    this.marshaller = marshaller;
    this.eventBus = eventBus;
    this.enableProfiling = enableProfiling;
    this.cells = new ConcurrentHashMap<>();
    this.cellSymlinkAllowability = new ConcurrentHashMap<>();
    this.parsers = new ThreadLocal<Map<Cell, ProjectBuildFileParser>>() {
        @Override//  w  ww .ja  va 2s .com
        protected Map<Cell, ProjectBuildFileParser> initialValue() {
            return new HashMap<>();
        }
    };
    this.buildInputPathsUnderSymlink = Sets.newHashSet();
    this.symlinkExistenceCache = new ConcurrentHashMap<>();

    this.stdout = new PrintStream(ByteStreams.nullOutputStream());
    this.stderr = new PrintStream(ByteStreams.nullOutputStream());
    this.console = new Console(Verbosity.STANDARD_INFORMATION, stdout, stderr, Ansi.withoutTty());

    this.symlinkCheckers = new TargetNodeListener() {
        @Override
        public void onCreate(Path buildFile, TargetNode<?> node) throws IOException {
            registerInputsUnderSymlinks(buildFile, node);
        }
    };

    this.closer = Closer.create();

    this.pendingWorkQueueCount = new AtomicInteger(0);
    this.pendingBuildTargets = new LinkedBlockingQueue<>();
    this.pendingBuildFiles = new LinkedBlockingQueue<>();
    this.completionNotifier = new CountDownLatch(1);

    register(rootCell);
}

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From source file:com.comphenix.protocol.CommandProtocol.java

private void dump(CommandSender sender) {
    Closer closer = Closer.create();

    if (FILE_FORMAT == null)
        FILE_FORMAT = new SimpleDateFormat("yyyy-MM-dd_HH.mm.ss");
    if (TIMESTAMP_FORMAT == null)
        TIMESTAMP_FORMAT = new SimpleDateFormat("MM/dd/yy HH:mm:ss");

    try {/*  w  w w .  ja  v a 2 s. c o  m*/
        Date date = new Date();
        File file = new File(plugin.getDataFolder(), "dump-" + FILE_FORMAT.format(date) + ".txt");
        if (file.exists()) {
            file.delete();
        }

        file.createNewFile();

        FileWriter fw = closer.register(new FileWriter(file));
        PrintWriter pw = closer.register(new PrintWriter(fw));

        pw.println("ProtocolLib Dump");
        pw.println("Timestamp: " + TIMESTAMP_FORMAT.format(date));
        pw.println();

        pw.println("ProtocolLib Version: " + plugin.toString());
        pw.println("Bukkit Version: " + plugin.getServer().getBukkitVersion());
        pw.println("Server Version: " + plugin.getServer().getVersion());
        pw.println("Java Version: " + System.getProperty("java.version"));
        pw.println();

        ProtocolManager manager = ProtocolLibrary.getProtocolManager();
        pw.println("ProtocolLib: " + DetailedErrorReporter.getStringDescription(plugin));
        pw.println("Manager: " + DetailedErrorReporter.getStringDescription(manager));
        pw.println();

        Set<PacketListener> listeners = manager.getPacketListeners();
        if (listeners.size() > 0) {
            pw.println("Listeners:");

            for (PacketListener listener : listeners) {
                pw.println(DetailedErrorReporter.getStringDescription(listener));
            }
        } else {
            pw.println("No listeners");
        }

        sender.sendMessage("Data dump written to " + file.getAbsolutePath());
    } catch (IOException ex) {
        ProtocolLibrary.getStaticLogger().log(Level.SEVERE, "Failed to create dump:", ex);
        sender.sendMessage(ChatColor.RED + "Failed to create dump! Check console!");
    } finally {
        try {
            closer.close();
        } catch (IOException ex1) {
        }
    }
}

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