Example usage for java.util.concurrent Future get

Introduction

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

Prototype

V get() throws InterruptedException, ExecutionException;

Source Link

Document

Waits if necessary for the computation to complete, and then retrieves its result.

Usage

From source file:com.reactive.hzdfs.TestRunner.java

@Test
public void testFailOnZIPFile() {
    Throwable c = null;//from w w w  .ja  v a2s  .  c  o m

    try {
        File f = ResourceLoaderHelper.loadFromFileOrClassPath("text_example.zip");
        Future<DFSSResponse> fut = dfss.distribute(f, new DFSSTaskConfig());
        fut.get();
        Assert.fail();
    } catch (IOException e) {
        Assert.fail("IOException - " + e);
    } catch (InterruptedException e) {
        Assert.fail("InterruptedException - " + e);
    } catch (ExecutionException e) {
        c = e.getCause();

    }
    Assert.assertNotNull(c);
    Assert.assertTrue(c instanceof DFSSException);
    Assert.assertEquals(DFSSException.ERR_IO_FILE, ((DFSSException) c).getErrorCode());
}

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From source file:com.reactive.hzdfs.TestRunner.java

@Test
public void testFailOnPPTFile() {
    Throwable c = null;// w w  w. j  a  va  2 s.  co m

    try {
        File f = ResourceLoaderHelper.loadFromFileOrClassPath("Presentation1.pptx");
        Future<DFSSResponse> fut = dfss.distribute(f, new DFSSTaskConfig());
        fut.get();
        Assert.fail();
    } catch (IOException e) {
        Assert.fail("IOException - " + e);
    } catch (InterruptedException e) {
        Assert.fail("InterruptedException - " + e);
    } catch (ExecutionException e) {
        c = e.getCause();

    }
    Assert.assertNotNull(c);
    Assert.assertTrue(c instanceof DFSSException);
    Assert.assertEquals(DFSSException.ERR_IO_FILE, ((DFSSException) c).getErrorCode());
}

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From source file:cn.clxy.upload.UploadFileService.java

private String checkFuture(Future<String> future) {

    String result = null;/*from w  w w .j a va  2 s.c o m*/
    try {
        result = future.get();
        return result;
    } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        return null;
    } catch (ExecutionException e) {
        listener.onFail(result);
        log.error(e.getCause());
        throw new RuntimeException(e.getCause());
    }
}

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From source file:de.loercher.localpress.core.api.LocalPressController.java

@RequestMapping(value = "/articles/new", method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<String> getNewArticlesAround(@RequestParam Double lat, @RequestParam Double lon)
        throws InterruptedException, ExecutionException, JsonProcessingException {
    UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(GEO_URL).queryParam("lat", lat.toString())
            .queryParam("lon", lon.toString());

    RestTemplate template = new RestTemplate();
    List<Map<String, Object>> geoResponse = template.getForObject(builder.build().encode().toUri(), List.class);

    Iterator<Map<String, Object>> it = geoResponse.iterator();
    List<Future<ResponseEntity<Map>>> jobs = new ArrayList<>();

    // to be able to merge answers from rating to geoitems there is a need 
    // to map the article to its articleID
    // (articleID) => (articleItem)
    Map<String, Map<String, Object>> mappedResponseObjects = new HashMap<>();
    while (it.hasNext()) {
        Map<String, Object> item = it.next();

        AsyncRestTemplate async = new AsyncRestTemplate();
        Future<ResponseEntity<Map>> futureResult = async.getForEntity((String) item.get("rating"), Map.class);
        jobs.add(futureResult);//w w  w . j  a v a2  s. c  o m
        mappedResponseObjects.put((String) item.get("articleID"), item);
    }

    for (Future<ResponseEntity<Map>> job : jobs) {
        Map<String, Object> ratingMap = job.get().getBody();
        String articleID = (String) ratingMap.get("articleID");

        mappedResponseObjects.get(articleID).putAll(ratingMap);
    }

    WeightingPolicy policy = new WeightingPolicyImpl();
    List<Map<String, Object>> orderedResponse = policy.sortExcludingRating(mappedResponseObjects.values());
    List<Map<String, Object>> result = new ResponseMapFilterImpl().filter(orderedResponse);

    return new ResponseEntity<>(objectMapper.writeValueAsString(result), HttpStatus.OK);
}

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From source file:edu.stolaf.cs.wmrserver.TestJobEngine.java

protected synchronized TestJobResult getResult(long submissionID)
        throws NotFoundException, ExecutionException, CancellationException {
    Future<TestJobResult> job = findJob(submissionID);
    while (true) {
        try {//w w  w  .  j a va2s. c om
            return job.get();
        } catch (InterruptedException ex) {
            // Swallow and try again
        }
    }
}

---

From source file:org.apache.hadoop.gateway.shell.Hadoop.java

public void waitFor(Future<?>... futures) throws ExecutionException, InterruptedException {
    if (futures != null) {
        for (Future future : futures) {
            future.get();
        }//from www  .j  a va  2 s.  c o  m
    }
}

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From source file:com.github.lukaszbudnik.dqueue.QueueClientIntegrationTest.java

@Test
public void shouldHandlePreviousDay() throws ExecutionException, InterruptedException {
    long yesterdayTimestamp = System.currentTimeMillis() - 24 * 60 * 60 * 1_000;

    UUID yesterdayUUID = UUIDsTesting.timeBased(yesterdayTimestamp);

    Future<UUID> published = queueClient.publish(new Item(yesterdayUUID, ByteBuffer.wrap("".getBytes())));
    published.get();

    Future<Optional<Item>> itemFuture = queueClient.consume();
    Optional<Item> itemOptional = itemFuture.get();
    Item item = itemOptional.get();//from w  w  w .jav  a  2s .c  o  m

    assertEquals(yesterdayUUID, item.getStartTime());
}

---

From source file:com.ritesh.idea.plugin.reviewboard.ReviewDataProvider.java

public List<Review.File> files(final Review review, final Progress progress) throws Exception {
    List<Review.File> result = new ArrayList<>();
    final List<Future> futures = new CopyOnWriteArrayList<>();
    final MutableFloat progressF = new MutableFloat(0f);
    final RBDiffList diffList = client.diffListApi(review.id);

    if (diffList.total_results > 0) {
        final String revision = String.valueOf(diffList.diffs[0].revision);
        RBFileDiff fileDiff = client.fileDiffApi(review.id, revision);

        for (final RBFileDiff.File file : fileDiff.files) {
            final Review.File diffFile = new Review.File();

            diffFile.fileId = file.id;/*w ww.  j av a2 s  . c  o  m*/
            diffFile.srcFileName = file.source_file;
            diffFile.dstFileName = file.dest_file;
            diffFile.sourceRevision = file.source_revision;
            diffFile.revision = revision;

            futures.add(ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
                @Override
                public void run() {
                    progress.progress("Loading file contents " + Paths.get(diffFile.srcFileName).getFileName(),
                            progressF.floatValue());
                    diffFile.srcFileContents = client.contents(file.links.original_file.href);
                    progressF.setValue(progressF.floatValue() + 1.0f / diffList.total_results);
                    progress.progress("Completed loading contents", progressF.floatValue());
                }
            }));

            futures.add(ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
                @Override
                public void run() {
                    progress.progress("Loading file contents " + Paths.get(diffFile.dstFileName).getFileName(),
                            progressF.floatValue());
                    diffFile.dstFileContents = client.contents(file.links.patched_file.href);
                    progressF.setValue(progressF.floatValue() + 1.0f / diffList.total_results);
                    progress.progress("Completed loading contents", progressF.floatValue());
                }
            }));
            result.add(diffFile);
        }
    }
    for (Future future : futures)
        future.get();
    return result;
}

---

From source file:com.github.lukaszbudnik.dqueue.QueueClientIntegrationTest.java

@Test
public void shouldReturnNothingIfQueueIsEmpty() throws ExecutionException, InterruptedException {
    Future<Optional<Item>> itemFuture = queueClient.consume(ImmutableMap.of("type", "123"));

    Optional<Item> item = itemFuture.get();

    assertFalse(item.isPresent());/*www  .  j  a  v a 2  s .  c  o m*/
}

---

From source file:com.reactive.hzdfs.TestRunner.java

@Test
public void testDistributeSimpleFile() {

    try {/*from  w w w .  j av a  2s. c o m*/
        File f = ResourceLoaderHelper.loadFromFileOrClassPath("vp-client.log");
        Future<DFSSResponse> fut = dfss.distribute(f, new DFSSTaskConfig());
        resp = fut.get();
        Assert.assertEquals("Records do not match", 48, resp.getNoOfRecords());
        Assert.assertTrue("error list not empty", resp.getErrorNodes().isEmpty());
        return;
    } catch (IOException e) {
        Assert.fail("Job did not start - " + e);
    } catch (InterruptedException e) {
        Assert.fail("InterruptedException - " + e);
    } catch (ExecutionException e) {
        Assert.fail("File distribution error - " + e.getCause());
    }
    return;
}

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