Example usage for java.lang Thread isAlive

Introduction

In this page you can find the example usage for java.lang Thread isAlive.

Prototype

public final native boolean isAlive();

Source Link

Document

Tests if this thread is alive.

Usage

From source file:ubc.pavlab.aspiredb.cli.AbstractCLI.java

/**
 * Wait for completion./*from www.j av  a2  s . c om*/
 */
protected void waitForThreadPoolCompletion(Collection<Thread> threads) {

    while (true) {
        boolean anyAlive = false;
        for (Thread k : threads) {
            if (k.isAlive()) {
                anyAlive = true;
            }
        }
        if (!anyAlive) {
            break;
        }
        try {
            Thread.sleep(1000);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

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From source file:org.jenkinsci.plugins.compress_artifacts.ZipStorageTest.java

@Test
public void avoidZipExceptionWhileWriting() throws Exception {
    FileUtils.writeStringToFile(new File(content, "file"), "content");

    final Entry<String, String> validArtifact = Collections.singletonMap("file", "file").entrySet().iterator()
            .next();//from   w w  w . java  2  s.c  o  m

    // Simulate archiving that takes forever serving valid artifact and then block forever on the next.
    final Map<String, String> artifacts = new HashMap<String, String>() {
        @Override
        public Set<Map.Entry<String, String>> entrySet() {
            return new HashSet<Map.Entry<String, String>>() {
                @Override
                public Iterator<Map.Entry<String, String>> iterator() {
                    return new Iterator<Map.Entry<String, String>>() {
                        private boolean block = false;

                        public boolean hasNext() {
                            return true;
                        }

                        public Map.Entry<String, String> next() {
                            if (!block) {
                                block = true;
                                return validArtifact;
                            }

                            synchronized (this) {
                                try {
                                    this.wait(); // Block forever
                                    throw new AssertionError();
                                } catch (InterruptedException ex) {
                                    // Expected at cleanup time
                                }
                            }

                            return validArtifact;
                        }

                        public void remove() {
                            throw new UnsupportedOperationException();
                        }
                    };
                }
            };
        }
    };

    // start archiving
    Thread compressor = new Thread("compressing-thread") {
        @Override
        public void run() {
            try {
                archive(artifacts);
            } catch (Exception ex) {
                throw new Error(ex);
            }
        }
    };

    compressor.start();
    try {
        Thread.sleep(1000);

        assertTrue(compressor.isAlive());

        assertArrayEquals(new String[0], zs.list());
        assertArrayEquals(new VirtualFile[0], zs.list("*"));
    } finally {
        compressor.stop();
    }
}

---

From source file:uk.ac.ucl.cs.cmic.giftcloud.uploadapp.QueryRetrieveController.java

public synchronized void query(final QueryParams queryParams) throws GiftCloudException, DicomException {

    // Report an error if a previous thread has not yet completed
    if (activeThread != null && activeThread.isAlive()) {
        throw new GiftCloudException(GiftCloudUploaderError.QUERY_RETRIEVE_STILL_IN_PROGRESS);
    }/* ww  w  . j ava 2 s.co m*/

    currentRemoteQueryInformationModel = Optional.of(createRemoteQueryInformationModel());
    Optional<QueryRetrieveRemoteView> remoteView = dialogController.getQueryRetrieveRemoteView();
    if (!remoteView.isPresent()) {
        throw new IllegalStateException(
                "query() was called but no QueryRetrieveRemoteView was found for storing the results");
    }
    remoteView.get().removeAll();
    remoteView.get().validate();
    AttributeList filter = queryParams.build();
    Thread activeThread = new Thread(new QueryWorker(remoteView.get(), currentRemoteQueryInformationModel.get(),
            filter, uploaderStatusModel, reporter));
    activeThread.start();
}

---

From source file:gui.accessories.DownloadProgressWork.java

@Override
public Void doInBackground() throws FileNotFoundException {
    setProgress(0);//from w ww  . j a  va 2  s  . co  m
    try {
        Thread.sleep(1000);
        downloadFile = new File(new File(portraitsFolder), portraitsFileName);
        Thread t = new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    downloadFile = portraitsService.downloadPortraisFile(portraitsFileName, portraitsFolder);
                    filesCount = doUncompressZip(downloadFile);
                } catch (FileNotFoundException ex) {
                    LOG.error("Qu mal todo. " + ex.getMessage());
                } catch (ZipException ex) {
                    LOG.error("Qu mal todo descomprimiendo. " + ex.getMessage());
                }
            }
        });
        t.start();
        while (t.isAlive()) {
            Float progreso = downloadFile.length() / (float) fileSize;
            progreso *= 100;
            int progress = progreso.intValue();

            setProgress(progress);
        }

    } catch (InterruptedException ignore) {
    }
    return null;
}

---

From source file:org.drftpd.tests.ConnectionStressTest.java

public void testStress() {
    int i = 0;//w  ww  .j  av a  2s  . c o  m
    for (; i < 200; i++) {
        Thread t = new Thread(new DummyClient(this));

        list.add(t);

        t.start();
        t.setName("DummyClient-" + i);
        logger.debug("Launching DummyClient #" + i);

        try {
            Thread.sleep(100); //give the daemon some time.   
        } catch (InterruptedException e) {
            logger.fatal(e, e);
        }
    }

    assertTrue(success == i); // means that every attemp was successful when connecting

    Collections.reverse(list); // must reverse the order in order to iterate thru the first client firstly.

    int dead = 0;
    for (Thread t : list) {
        while (t.isAlive()) {
            // shotdown gracefully.
        }
        dead += 1;
    }

    assertTrue(dead == success); // all threads were finalized.
}

---

From source file:org.dataconservancy.packaging.tool.impl.IPMServiceImpl.java

@Override
public Node createTreeFromFileSystem(Path path) throws IOException {

    visitedFiles.clear();//from  w w  w  .  jav  a 2  s . c  o m
    fileUris.clear();
    fileToNode.clear();

    Walker walker = new Walker();

    Thread walkerThread = new Thread(() -> {
        try {
            walker.doWalk(path.toFile(), visitedFiles);
        } catch (IOException e) {
            walker.cancel();
        }
    });

    walkerThread.start();

    while (walkerThread.isAlive()) {
        if (Thread.currentThread().isInterrupted()) {
            walker.cancel();
        }
        try {
            walkerThread.join(1000 * 5);
        } catch (InterruptedException e) {
            // ignore
        }
    }

    visitedFiles.parallelStream().forEach(visitedNode -> {
        final File file = fileUris.get(visitedNode.getIdentifier());
        final FileInfo fi;
        try {
            fi = new FileInfo(file.toPath().toRealPath());
            visitedNode.setFileInfo(fi);
        } catch (IOException e) {
            log.warn("Unable to resolve file path '{}': {}", file.toPath(), e.getMessage(), e);
        }
    });

    return walker.getRoot();
}

---

From source file:net.greghaines.jesque.worker.WorkerImpl.java

/**
 * {@inheritDoc}//w w  w  .j a v  a2 s.  c om
 */
@Override
public void join(final long millis) throws InterruptedException {
    final Thread workerThread = this.threadRef.get();
    if (workerThread != null && workerThread.isAlive()) {
        workerThread.join(millis);
    }
}

---

From source file:org.silverpeas.core.util.DBUtilIntegrationTest.java

@Test
public void nextUniqueIdUpdateForAnExistingTableShouldWorkAndConcurrency()
        throws SQLException, InterruptedException {
    int nextIdBeforeTesting = actualMaxIdInUniqueIdFor("User");
    assertThat(nextIdBeforeTesting, is(1));
    int nbThreads = 2 + (int) (Math.random() * 10);
    Logger.getAnonymousLogger()/*ww  w  . j  a v a 2 s.  c  om*/
            .info("Start at " + System.currentTimeMillis() + " with " + nbThreads + " threads");
    final Thread[] threads = new Thread[nbThreads];
    for (int i = 0; i < nbThreads; i++) {
        threads[i] = new Thread(() -> {
            try {
                int nextId = DBUtil.getNextId("User", "id");
                Logger.getAnonymousLogger().info("Next id is " + nextId + " at " + System.currentTimeMillis());
                Thread.sleep(10);
            } catch (InterruptedException | SQLException e) {
                throw new RuntimeException(e);
            }
        });
    }

    try {
        for (Thread thread : threads) {
            thread.start();
        }
        for (Thread thread : threads) {
            thread.join();
        }
        int expectedNextId = nextIdBeforeTesting + nbThreads;
        Logger.getAnonymousLogger()
                .info("Verifying nextId is " + expectedNextId + " at " + System.currentTimeMillis());
        assertThat(actualMaxIdInUniqueIdFor("User"), is(expectedNextId));
    } finally {
        for (Thread thread : threads) {
            if (thread.isAlive()) {
                thread.interrupt();
            }
        }
    }
}

---

From source file:org.silverpeas.core.util.DBUtilIT.java

@Test
public void nextUniqueIdUpdateForAnExistingTableShouldWorkAndConcurrency()
        throws SQLException, InterruptedException {
    int nextIdBeforeTesting = actualMaxIdInUniqueIdFor("User");
    assertThat(nextIdBeforeTesting, is(1));
    int nbThreads = 2 + (int) (Math.random() * 10);
    Logger.getAnonymousLogger()//from   w w  w.  j a v a 2 s.  c o m
            .info("Start at " + System.currentTimeMillis() + " with " + nbThreads + " threads");
    final Thread[] threads = new Thread[nbThreads];
    for (int i = 0; i < nbThreads; i++) {
        threads[i] = new Thread(() -> {
            try {
                int nextId = DBUtil.getNextId("User", "id");
                Logger.getAnonymousLogger().info("Next id is " + nextId + " at " + System.currentTimeMillis());
                Thread.sleep(10);
            } catch (InterruptedException e) {
                throw new RuntimeException(e);
            }
        });
    }

    try {
        for (Thread thread : threads) {
            thread.start();
        }
        for (Thread thread : threads) {
            thread.join();
        }
        int expectedNextId = nextIdBeforeTesting + nbThreads;
        Logger.getAnonymousLogger()
                .info("Verifying nextId is " + expectedNextId + " at " + System.currentTimeMillis());
        assertThat(actualMaxIdInUniqueIdFor("User"), is(expectedNextId));
    } finally {
        for (Thread thread : threads) {
            if (thread.isAlive()) {
                thread.interrupt();
            }
        }
    }
}

---

From source file:org.efaps.esjp.common.jasperreport.StandartReport_Base.java

/**
 * Gets the file.// www.j a  v a2  s  .c  o  m
 *
 * @param _parameter Parameter as passed by the eFasp API
 * @return file created
 * @throws EFapsException on error
 */
public File getFile(final Parameter _parameter) throws EFapsException {
    File ret = null;

    final String dataSourceClass = getDataSourceClass(_parameter);

    add2ReportParameter(_parameter);

    final Instance jasperInst = getJasperReportInstance(_parameter);
    if (jasperInst != null && jasperInst.isValid()) {
        final Checkout checkout = new Checkout(jasperInst);
        final InputStream iin = checkout.execute();
        try {
            DefaultJasperReportsContext.getInstance().setProperty(
                    "net.sf.jasperreports.query.executer.factory.eFaps",
                    EQLQueryExecuterFactory.class.getName());
            final LocalJasperReportsContext ctx = new LocalJasperReportsContext(
                    DefaultJasperReportsContext.getInstance());
            ctx.setFileResolver(new JasperFileResolver());
            ctx.setClassLoader(EFapsClassLoader.getInstance());

            ctx.setProperty("net.sf.jasperreports.subreport.runner.factory",
                    SubReportRunnerFactory.class.getName());
            ctx.setProperty("net.sf.jasperreports.query.executer.factory.eFaps",
                    EQLQueryExecuterFactory.class.getName());

            final JasperReport jasperReport = (JasperReport) JRLoader.loadObject(iin);
            iin.close();

            IeFapsDataSource dataSource = null;
            if (dataSourceClass != null) {
                final Class<?> clazz = Class.forName(dataSourceClass);
                final Method method = clazz.getMethod("init",
                        new Class[] { JasperReport.class, Parameter.class, JRDataSource.class, Map.class });
                dataSource = (IeFapsDataSource) clazz.newInstance();
                method.invoke(dataSource, jasperReport, _parameter, null, this.jrParameters);
            }
            if (dataSource != null) {
                this.jrParameters.put("EFAPS_SUBREPORT",
                        new SubReportContainer(_parameter, dataSource, this.jrParameters));
            }
            final ReportRunner runner = new ReportRunner(ctx, jasperReport, this.jrParameters, dataSource);
            final Thread t = new Thread(runner);
            t.setContextClassLoader(EFapsClassLoader.getInstance());
            t.start();

            while (t.isAlive()) {
                // add an abort criteria
            }

            // check for a file name, if null search in the properties
            if (getFileName() == null) {
                setFileName(getProperty(_parameter, "FileName"));
                // last chance search in the jasper Parameters
                if (getFileName() == null) {
                    setFileName((String) this.jrParameters.get("FileName"));
                }
            }
            final JasperPrint print = runner.getJasperPrint();
            LOG.debug("print created: '{}'", print);
            if (print != null) {
                ret = getFile(print, getMime(_parameter));
            }

        } catch (final ClassNotFoundException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.ClassNotFoundException", e);
        } catch (final SecurityException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.SecurityException", e);
        } catch (final NoSuchMethodException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.NoSuchMethodException", e);
        } catch (final InstantiationException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.InstantiationException", e);
        } catch (final IllegalAccessException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.IllegalAccessException", e);
        } catch (final IllegalArgumentException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.IllegalArgumentException", e);
        } catch (final InvocationTargetException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.InvocationTargetException", e);
        } catch (final JRException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.JRException", e);
        } catch (final IOException e) {
            throw new EFapsException(StandartReport_Base.class, "execute.IOException", e);
        }
    }
    return ret;
}

---

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