Example usage for java.util.concurrent Callable Callable

Introduction

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

Prototype

Callable

Source Link

Usage

From source file:com.microsoft.windowsazure.management.SubscriptionOperationsImpl.java

/**
* The Get Subscription operation returns account and resource allocation
* information for the specified subscription.  (see
* http://msdn.microsoft.com/en-us/library/windowsazure/hh403995.aspx for
* more information)//from   ww w  .  ja v a 2s  .  c  om
*
* @return The Get Subscription operation response.
*/
@Override
public Future<SubscriptionGetResponse> getAsync() {
    return this.getClient().getExecutorService().submit(new Callable<SubscriptionGetResponse>() {
        @Override
        public SubscriptionGetResponse call() throws Exception {
            return get();
        }
    });
}

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From source file:io.druid.metadata.SQLMetadataConnector.java

public <T> T retryTransaction(final TransactionCallback<T> callback) {
    final Callable<T> call = new Callable<T>() {
        @Override/*  w w w  .ja va2  s.  c o  m*/
        public T call() throws Exception {
            return getDBI().inTransaction(callback);
        }
    };
    final int maxTries = 10;
    try {
        return RetryUtils.retry(call, shouldRetry, maxTries);
    } catch (Exception e) {
        throw Throwables.propagate(e);
    }
}

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From source file:org.atomserver.ThrottledAtomServer.java

/**
 * Wrap a call to the super class' method (i.e. AtomServer's createEntry)
 * in a CallableTask so that it can be placed onto a blocking work queue,
 * and executed in a controlled fashion.
 *
 * @param request The Abdera RequestContext
 * @return The Abdera ResponseContext//from  w  w w.  j a va 2 s  .com
 */
public ResponseContext createEntry(final RequestContext request) {
    final String t_user = AtomServerUserInfo.getUser();
    Callable<ResponseContext> callableTask = new Callable<ResponseContext>() {
        public ResponseContext call() {
            AtomServerUserInfo.setUser(t_user);
            return getAtomServer().createEntry(request);
        }
    };
    return executePooledTask(request, callableTask);
}

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From source file:com.microsoft.azure.management.sql.SecureConnectionPolicyOperationsImpl.java

/**
* Creates or updates an Azure SQL Database Server Firewall rule.
*
* @param resourceGroupName Required. The name of the Resource Group to
* which the server belongs./*from ww w . jav a 2 s  . c o  m*/
* @param serverName Required. The name of the Azure SQL Database Server on
* which the database is hosted.
* @param databaseName Required. The name of the Azure SQL Database for
* which the policy applies.
* @param parameters Required. The required parameters for createing or
* updating a secure connection policy.
* @return A standard service response including an HTTP status code and
* request ID.
*/
@Override
public Future<OperationResponse> createOrUpdateDatabasePolicyAsync(final String resourceGroupName,
        final String serverName, final String databaseName,
        final DatabaseSecureConnectionPolicyCreateOrUpdateParameters parameters) {
    return this.getClient().getExecutorService().submit(new Callable<OperationResponse>() {
        @Override
        public OperationResponse call() throws Exception {
            return createOrUpdateDatabasePolicy(resourceGroupName, serverName, databaseName, parameters);
        }
    });
}

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From source file:be.solidx.hot.data.rest.RestDataStore.java

@RequestMapping(value = "/{dbname}", method = RequestMethod.GET)
synchronized public DeferredResult<ResponseEntity<byte[]>> showTables(final HttpServletRequest httpRequest,
        @PathVariable final String dbname) {

    Callable<ResponseEntity<byte[]>> blocking = new Callable<ResponseEntity<byte[]>>() {

        @Override// w w w  .  j  a  va2  s  .  co  m
        public ResponseEntity<byte[]> call() throws Exception {
            DB<Map<String, Object>> db = dbMap.get(dbname);
            if (db == null) {
                return buildEmptyResponse(HttpStatus.NOT_FOUND);
            }
            List<Map<String, Object>> links = new ArrayList<Map<String, Object>>();
            for (String collectionName : db.listCollections()) {
                Map<String, Object> entry = new HashMap<String, Object>();
                entry.put(REL, collectionName);
                entry.put(HREF, getDatastoreUri(httpRequest, dbname).path("/" + collectionName).build().toUri()
                        .toASCIIString());
                links.add(entry);
            }
            Map<String, Object> response = new HashMap<String, Object>();
            response.put(LINKS, links);
            return buildJSONResponse(response, HttpStatus.OK);
        }
    };

    return blockingCall(blocking);
}

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From source file:com.emc.ecs.sync.target.CasTarget.java

@Override
public void filter(final SyncObject obj) {
    timeOperationStart(CasUtil.OPERATION_TOTAL);

    if (!(obj instanceof ClipSyncObject))
        throw new UnsupportedOperationException("sync object was not a CAS clip");
    final ClipSyncObject clipSync = (ClipSyncObject) obj;

    FPClip clip = null;/*from w  ww .j  a  v  a 2s  .co m*/
    FPTag tag = null;
    int targetTagNum = 0;
    try (final InputStream cdfIn = clipSync.getInputStream()) {
        // first clone the clip via CDF raw write
        clip = TimingUtil.time(this, CasUtil.OPERATION_WRITE_CDF, new Callable<FPClip>() {
            @Override
            public FPClip call() throws Exception {
                return new FPClip(pool, clipSync.getRawSourceIdentifier(), cdfIn, CLIP_OPTIONS);
            }
        });
        clipSync.setTargetIdentifier(clipSync.getRawSourceIdentifier());

        // next write the blobs

        for (ClipTag sourceTag : clipSync.getTags()) {
            tag = clip.FetchNext(); // this should sync the tag indexes
            if (sourceTag.isBlobAttached()) { // only stream if the tag has a blob
                timedStreamBlob(tag, sourceTag);
            }
            tag.Close();
            tag = null;
        }

        final FPClip fClip = clip;
        String destClipId = TimingUtil.time(this, CasUtil.OPERATION_WRITE_CLIP, new Callable<String>() {
            @Override
            public String call() throws Exception {
                return fClip.Write();
            }
        });
        if (!destClipId.equals(clipSync.getRawSourceIdentifier()))
            throw new RuntimeException(String.format("clip IDs do not match\n    [%s != %s]",
                    clipSync.getRawSourceIdentifier(), destClipId));

        log.debug("Wrote source {} to dest {}", clipSync.getSourceIdentifier(), clipSync.getTargetIdentifier());

        timeOperationComplete(CasUtil.OPERATION_TOTAL);
    } catch (Throwable t) {
        timeOperationFailed(CasUtil.OPERATION_TOTAL);
        if (t instanceof RuntimeException)
            throw (RuntimeException) t;
        if (t instanceof FPLibraryException)
            throw new RuntimeException(
                    "Failed to store object: " + CasUtil.summarizeError((FPLibraryException) t), t);
        throw new RuntimeException("Failed to store object: " + t.getMessage(), t);
    } finally {
        // close current tag ref
        try {
            if (tag != null)
                tag.Close();
        } catch (Throwable t) {
            log.warn("could not close tag " + clipSync.getRawSourceIdentifier() + "." + targetTagNum, t);
        }
        // close clip
        try {
            if (clip != null)
                clip.Close();
        } catch (Throwable t) {
            log.warn("could not close clip " + clipSync.getRawSourceIdentifier(), t);
        }
    }
}

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From source file:com.microsoft.windowsazure.management.sql.SqlManagementIntegrationTestBase.java

protected static void createStorageService() throws Exception {
    // reinitialize configuration from known state
    Configuration config = createConfiguration();

    // add LoggingFilter to any pipeline that is created
    Registry builder = (Registry) config.getBuilder();
    builder.alter(StorageManagementClient.class, Client.class, new Alteration<Client>() {
        @Override//from w  ww  .ja  v a  2 s . c  om
        public Client alter(String profile, Client client, Builder builder, Map<String, Object> properties) {
            client.addFilter(new LoggingFilter());
            return client;
        }
    });

    storageManagementClient = StorageManagementService.create(config);
    addClient((ServiceClient<?>) storageManagementClient, new Callable<Void>() {
        @Override
        public Void call() throws Exception {
            createStorageService();
            return null;
        }
    });
    addRegexRule("azsql[a-z]{10}");
}

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From source file:com.netflix.curator.framework.recipes.queue.QueueSharder.java

/**
 * The sharder must be started//from w  w w. ja v a2 s  .com
 *
 * @throws Exception errors
 */
public void start() throws Exception {
    Preconditions.checkState(state.compareAndSet(State.LATENT, State.STARTED),
            "Cannot be started more than once");

    client.newNamespaceAwareEnsurePath(queuePath).ensure(client.getZookeeperClient());

    getInitialQueues();
    leaderLatch.start();

    service.submit(new Callable<Void>() {
        @Override
        public Void call() throws Exception {
            try {
                while (!Thread.currentThread().isInterrupted() && (state.get() == State.STARTED)) {
                    Thread.sleep(policies.getThresholdCheckMs());
                    checkThreshold();
                }
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
            return null;
        }
    });
}

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From source file:com.microsoft.azure.management.sql.ServiceTierAdvisorOperationsImpl.java

/**
* Returns information about a service tier advisor.
*
* @param resourceGroupName Required. The name of the Resource Group.
* @param serverName Required. The name of server.
* @param databaseName Required. The name of database.
* @param serviceTierAdvisorName Required. The name of service tier advisor.
* @return Represents the response to a get service tier advisor request.
*//*from  ww w. j  av  a2 s.  com*/
@Override
public Future<ServiceTierAdvisorGetResponse> getAsync(final String resourceGroupName, final String serverName,
        final String databaseName, final String serviceTierAdvisorName) {
    return this.getClient().getExecutorService().submit(new Callable<ServiceTierAdvisorGetResponse>() {
        @Override
        public ServiceTierAdvisorGetResponse call() throws Exception {
            return get(resourceGroupName, serverName, databaseName, serviceTierAdvisorName);
        }
    });
}

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From source file:com.netflix.dyno.connectionpool.impl.lb.CircularListTest.java

@Test
public void testSingleThreadWithElementRemove() throws Exception {

    final AtomicBoolean stop = new AtomicBoolean(false);

    Future<Map<Integer, Integer>> future = threadPool.submit(new Callable<Map<Integer, Integer>>() {

        @Override//from  w  w w .j a  va  2s .  co  m
        public Map<Integer, Integer> call() throws Exception {

            TestWorker worker = new TestWorker();

            while (!stop.get()) {
                worker.process();
            }

            return worker.map;
        }
    });

    Thread.sleep(200);

    List<Integer> newList = new ArrayList<Integer>();
    newList.addAll(iList);

    final List<Integer> removedElements = new ArrayList<Integer>();
    removedElements.add(newList.remove(2));
    removedElements.add(newList.remove(5));
    removedElements.add(newList.remove(6));

    cList.swapWithList(newList);

    Thread.sleep(200);
    stop.set(true);

    Map<Integer, Integer> result = future.get();

    Map<Integer, Integer> subMap = CollectionUtils.filterKeys(result, new Predicate<Integer>() {
        @Override
        public boolean apply(Integer input) {
            return !removedElements.contains(input);
        }
    });

    checkValues(new ArrayList<Integer>(subMap.values()));
}

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