Example usage for java.util Collections synchronizedList

List of usage examples for java.util Collections synchronizedList

  1. HOME
  2. Java
  3. java
  4. java.util.*
  5. Collections
  6. synchronizedList

Introduction

In this page you can find the example usage for java.util Collections synchronizedList.

Prototype

public static <T> List<T> synchronizedList(List<T> list)

Source Link

Document

Returns a synchronized (thread-safe) list backed by the specified list.

Usage

From source file:com.gemini.provision.security.openstack.SecurityProviderOpenStackImpl.java

/**
 *
 * @param tenant/*from w w w  . j a va 2  s. c  om*/
 * @param env
 * @return
 *
 * List all the security groups.
 */
@Override
public List<GeminiSecurityGroup> listAllSecurityGroups(GeminiTenant tenant, GeminiEnvironment env) {
    List<GeminiSecurityGroup> listSecGrps = Collections.synchronizedList(new ArrayList());

    //authenticate the session with the OpenStack installation
    OSClient os = OSFactory.builder().endpoint(env.getEndPoint())
            .credentials(env.getAdminUserName(), env.getAdminPassword()).tenantName(tenant.getName())
            .authenticate();
    if (os == null) {
        Logger.error("Failed to authenticate Tenant: {}",
                ToStringBuilder.reflectionToString(tenant, ToStringStyle.MULTI_LINE_STYLE));
        return null;
    }

    //get the list from OpenStack
    List<? extends SecurityGroup> osSecGrps = os.networking().securitygroup().list();
    osSecGrps.stream().forEach(osSecGrp -> {
        //see if this security group already exists in the environment
        GeminiSecurityGroup tmpSecGrp = null;
        GeminiSecurityGroup newGemSecGrp = null;
        try {
            tmpSecGrp = env.getSecurityGroups().stream().filter(s -> s.getName().equals(osSecGrp.getName()))
                    .findFirst().get();
            tmpSecGrp.setProvisioned(true);
            tmpSecGrp.setCloudID(osSecGrp.getId());
        } catch (NoSuchElementException | NullPointerException ex) {
            //The OpenStack security group hasn't been mapped to an object on the Gemini side, so create it and add to the environment
            newGemSecGrp = new GeminiSecurityGroup();
            newGemSecGrp.setCloudID(osSecGrp.getId());
            newGemSecGrp.setProvisioned(true);
            newGemSecGrp.setName(osSecGrp.getName());
            newGemSecGrp.setDescription(osSecGrp.getDescription());
            env.addSecurityGroup(newGemSecGrp);
        }

        //check to see if this group's rules are mapped on the Gemini side
        List<? extends SecurityGroupRule> osSecGrpRules = osSecGrp.getRules();
        final GeminiSecurityGroup gemSecGrp = tmpSecGrp == null ? newGemSecGrp : tmpSecGrp;
        osSecGrpRules.stream().filter(osSecGrpRule -> osSecGrpRule != null).forEach(osSecGrpRule -> {
            GeminiSecurityGroupRule gemSecGrpRule = null;
            try {
                gemSecGrpRule = gemSecGrp.getSecurityRules().stream()
                        .filter(sr -> sr.getCloudID().equals(osSecGrpRule.getId())).findFirst().get();
            } catch (NoSuchElementException | NullPointerException ex) {
                //not an error or even log worthy ... just signifies that the rule
                //on Gemini Side needs to be created
            }
            if (gemSecGrpRule == null) {
                //the rule has not been mapped on the Gemini side, so create it
                gemSecGrpRule = new GeminiSecurityGroupRule();
            }
            gemSecGrpRule.setCloudID(osSecGrpRule.getId());
            gemSecGrpRule.setProvisioned(true);
            gemSecGrpRule.setPortRangeMin(osSecGrpRule.getPortRangeMin());
            gemSecGrpRule.setPortRangeMax(osSecGrpRule.getPortRangeMax());
            gemSecGrpRule.setProtocol(Protocol.fromString(osSecGrpRule.getProtocol()));
            gemSecGrpRule.setDirection(
                    GeminiSecurityGroupRuleDirection.valueOf(osSecGrpRule.getDirection().toUpperCase()));
            gemSecGrpRule.setRemoteGroupId(osSecGrpRule.getRemoteGroupId());
            gemSecGrpRule.setRemoteIpPrefix(osSecGrpRule.getRemoteIpPrefix());
            gemSecGrpRule.setIpAddressType(IPAddressType.valueOf(osSecGrpRule.getEtherType()));
            //gemSecGrpRule.setCidr(osSecGrpRule.getRange().getCidr());
            gemSecGrpRule.setParent(gemSecGrp);
            gemSecGrp.addSecurityRule(gemSecGrpRule);
        });
        listSecGrps.add(gemSecGrp);
    });

    Logger.debug("Successfully retrieved all security groups Tenant: {} Env: {}", tenant.getName(),
            env.getName());
    return listSecGrps;
}

From source file:libepg.ts.fileseeker.TsFileSeeker.java

/**
 * ???????/*  w  ww .j  a  va 2  s.  c  o  m*/
 *
 * @return ??????
 */
public synchronized List<File> seek() {
    List<File> list = Collections.synchronizedList(new ArrayList<File>());
    Collection<File> files = FileUtils.listFiles(this.SourceDir, this.TS_SUFFIX, this.dirf);
    list.addAll(files);
    return Collections.unmodifiableList(list);
}

From source file:org.springframework.batch.repeat.support.TaskExecutorRepeatTemplateBulkAsynchronousTests.java

@Before
public void setUp() {

    template = new TaskExecutorRepeatTemplate();
    TaskExecutor taskExecutor = new SimpleAsyncTaskExecutor();
    threadPool.setMaxPoolSize(300);/*ww  w .  ja va  2s  .  c o  m*/
    threadPool.setCorePoolSize(10);
    threadPool.setQueueCapacity(0);
    threadPool.afterPropertiesSet();
    taskExecutor = threadPool;
    template.setTaskExecutor(taskExecutor);
    template.setThrottleLimit(throttleLimit);

    items = Collections.synchronizedList(new ArrayList<String>());

    callback = new RepeatCallback() {

        private volatile AtomicInteger count = new AtomicInteger(0);

        @Override
        public RepeatStatus doInIteration(RepeatContext context) throws Exception {
            int position = count.incrementAndGet();
            String item = position <= total ? "" + position : null;
            items.add("" + item);
            if (item != null) {
                beBusy();
            }
            /*
             * In a multi-threaded task, one of the callbacks can call
             * FINISHED early, while other threads are still working, and
             * would do more work if the callback was called again. (This
             * happens for instance if there is a failure and you want to
             * retry the work.)
             */
            RepeatStatus result = RepeatStatus.continueIf(position != early && item != null);
            if (position == error) {
                throw new RuntimeException("Planned");
            }
            if (!result.isContinuable()) {
                logger.debug("Returning " + result + " for count=" + position);
            }
            return result;
        }
    };

}

From source file:org.kurento.test.metatest.BrowserCreationTest.java

private void createParallelBrowsers(int numBrowsers) throws InterruptedException {
    long startTime = System.currentTimeMillis();

    final List<Browser> browsers = Collections.synchronizedList(new ArrayList<Browser>());

    ExecutorService executor = Executors.newFixedThreadPool(numBrowsers);

    try {//from   w ww . ja  va  2 s.co m

        final AbortableCountDownLatch latch = new AbortableCountDownLatch(numBrowsers);

        for (int i = 0; i < numBrowsers; i++) {

            final int numBrowser = i;

            executor.execute(new Runnable() {

                @Override
                public void run() {
                    try {

                        Browser browser = new Browser.Builder().scope(BrowserScope.DOCKER).build();

                        browsers.add(browser);

                        browser.setId("browser" + numBrowser);

                        browser.init();

                        latch.countDown();

                    } catch (Throwable t) {
                        latch.abort("Exception setting up test. A browser could not be initialised", t);
                    }
                }
            });
        }

        latch.await();

        long creationTime = System.currentTimeMillis() - startTime;

        log.debug("----------------------------------------------------------------");

        log.debug("All {} browsers started in {} millis", numBrowsers, creationTime);

        log.debug("----------------------------------------------------------------");

    } finally {

        log.debug("***************************************************************");

        startTime = System.currentTimeMillis();

        final AbortableCountDownLatch latch = new AbortableCountDownLatch(numBrowsers);

        for (final Browser browser : browsers) {
            executor.execute(new Runnable() {
                @Override
                public void run() {
                    browser.close();
                    latch.countDown();
                }
            });
        }

        executor.shutdown();
        executor.awaitTermination(10, TimeUnit.HOURS);

        latch.await();

        long destructionTime = System.currentTimeMillis() - startTime;

        log.debug("----------------------------------------------------------------");

        log.debug("All {} browsers stopped in {} millis", numBrowsers, destructionTime);

        log.debug("----------------------------------------------------------------");
    }
}

From source file:com.gargoylesoftware.htmlunit.WebClientWaitForBackgroundJobsTest.java

/**
 * @throws Exception if the test fails/* w w w.j a v a 2 s . c o  m*/
 */
@Test
public void dontWaitWhenUnnecessary() throws Exception {
    final String content = "<html>\n" + "<head>\n" + "  <title>test</title>\n" + "  <script>\n"
            + "    var threadID;\n" + "    function test() {\n"
            + "      threadID = setTimeout(doAlert, 10000);\n" + "    }\n" + "    function doAlert() {\n"
            + "      alert('blah');\n" + "    }\n" + "  </script>\n" + "</head>\n" + "<body onload='test()'>\n"
            + "</body>\n" + "</html>";

    final List<String> collectedAlerts = Collections.synchronizedList(new ArrayList<String>());
    final HtmlPage page = loadPage(content, collectedAlerts);
    final JavaScriptJobManager jobManager = page.getEnclosingWindow().getJobManager();
    assertNotNull(jobManager);
    assertEquals(1, jobManager.getJobCount());

    startTimedTest();
    assertEquals(1, page.getWebClient().waitForBackgroundJavaScriptStartingBefore(7000));
    assertMaxTestRunTime(100);
    assertEquals(1, jobManager.getJobCount());
    assertEquals(Collections.EMPTY_LIST, collectedAlerts);
}

From source file:org.alfresco.bm.tools.BMTestRunner.java

/**
 * @param maxTestTime               the maximum time before we stop the test and fail
 *//*from   w w  w . ja v a2  s .c  o m*/
public BMTestRunner(long maxTestTime) {
    this.maxTestTime = maxTestTime;
    this.listeners = Collections.synchronizedList(new ArrayList<BMTestRunnerListener>(1));
}

From source file:org.lightjason.agentspeak.action.buildin.math.statistic.CRandomSample.java

/**
 * creates the sample structure/*  w w  w  .j ava  2s . c om*/
 *
 * @param p_distribution distribution object
 * @param p_size size of the returned values
 * @param p_parallel parallel flag
 * @return term with data
 */
private static ITerm samples(final AbstractRealDistribution p_distribution, final int p_size,
        final boolean p_parallel) {
    if (p_size < 2)
        return CRawTerm.from(p_distribution.sample());

    final List<Double> l_list = Arrays.stream(p_distribution.sample(p_size)).boxed()
            .collect(Collectors.toList());
    return CRawTerm.from(p_parallel ? Collections.synchronizedList(l_list) : l_list);

}

From source file:com.gargoylesoftware.htmlunit.javascript.background.JavaScriptJobManagerTest.java

/**
 * @throws Exception if the test fails//from w  w w . j av a2 s .  com
 */
@Test
public void setClearTimeoutUsesManager() throws Exception {
    final String content = "<html>\n" + "<head>\n" + "  <title>test</title>\n" + "  <script>\n"
            + "    var threadID;\n" + "    function test() {\n"
            + "      threadID = setTimeout(doAlert, 10000);\n" + "    }\n" + "    function doAlert() {\n"
            + "      alert('blah');\n" + "    }\n" + "  </script>\n" + "</head>\n" + "<body onload='test()'>\n"
            + "<a onclick='clearTimeout(threadID);' id='clickme'/>\n" + "</body>\n" + "</html>";

    final List<String> collectedAlerts = Collections.synchronizedList(new ArrayList<String>());
    startTimedTest();
    final HtmlPage page = loadPage(content, collectedAlerts);
    final JavaScriptJobManager jobManager = page.getEnclosingWindow().getJobManager();
    assertNotNull(jobManager);
    assertEquals(1, jobManager.getJobCount());
    final HtmlAnchor a = page.getHtmlElementById("clickme");
    a.click();
    jobManager.waitForJobs(7000);
    assertEquals(0, jobManager.getJobCount());
    assertEquals(Collections.EMPTY_LIST, collectedAlerts);
    assertMaxTestRunTime(10000);
}

From source file:se.bitcraze.crazyfliecontrol.bootloader.FirmwareDownloader.java

public FirmwareDownloader(Context context) {
    this.mContext = context;
    this.mDownloadListeners = Collections.synchronizedList(new LinkedList<FirmwareDownloadListener>());
    this.mBootloaderDir = new File(mContext.getExternalFilesDir(null), BootloaderActivity.BOOTLOADER_DIR);
}

From source file:com.buaa.cfs.mount.RpcProgramMountd.java

public RpcProgramMountd(NfsConfiguration config, DatagramSocket registrationSocket, boolean allowInsecurePorts)
        throws IOException {
    // Note that RPC cache is not enabled
    super("mountd", "localhost",
            config.getInt(NfsConfigKeys.DFS_NFS_MOUNTD_PORT_KEY, NfsConfigKeys.DFS_NFS_MOUNTD_PORT_DEFAULT),
            PROGRAM, VERSION_1, VERSION_3, registrationSocket, allowInsecurePorts);
    exports = new ArrayList<String>();
    exports.add(config.get(NfsConfigKeys.DFS_NFS_EXPORT_POINT_KEY, NfsConfigKeys.DFS_NFS_EXPORT_POINT_DEFAULT));
    this.hostsMatcher = NfsExports.getInstance(config);
    this.mounts = Collections.synchronizedList(new ArrayList<MountEntry>());
    UserGroupInformation.setConfiguration(config);
    SecurityUtil.login(config, NfsConfigKeys.DFS_NFS_KEYTAB_FILE_KEY,
            NfsConfigKeys.DFS_NFS_KERBEROS_PRINCIPAL_KEY);
    this.dfsClient = null;
    //        this.dfsClient = new DFSClient(NameNode.getAddress(config), config);
}