Examples of org.osgi.util.tracker.ServiceTracker.open()

Class org.osgi.util.tracker.ServiceTracker

Examples of org.osgi.util.tracker.ServiceTracker.open()

org.osgi.util.tracker.ServiceTracker.open()
Open this {@code ServiceTracker} and begin tracking services.
This implementation calls {@code open(false)}. @throws java.lang.IllegalStateException If the {@code BundleContext} withwhich this {@code ServiceTracker} was created is no longer valid. @see #open(boolean)

     * @throws NullPointerException     If <code>bc</code>, <code>className</code> or
     *                                  <code>timeUnit</code> are <code>null</code>
     */
    public static Object getService(BundleContext bc, String className, long timeout, TimeUnit timeUnit) {
        ServiceTracker tracker = new ServiceTracker(bc, className, null);
        tracker.open();
        try {
            return tracker.waitForService(timeUnit.toMillis(timeout));
        } catch (InterruptedException e) {
            return null;
        } finally {

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     *
     * @throws NullPointerException If <code>bc</code> or <code>clazz</code> are <code>null</code>
     */
    public static <T> T getService(BundleContext bc, Class<T> clazz) {
        ServiceTracker tracker = new ServiceTracker(bc, clazz.getName(), null);
        tracker.open();
        try {
            //noinspection unchecked
            return (T) tracker.getService();
        } finally {
            tracker.close();

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     * @throws NullPointerException     If <code>bc</code>, <code>clazz</code> or
     *                                  <code>timeUnit</code> are <code>null</code>
     */
    public static <T> T getService(BundleContext bc, Class<T> clazz, long timeout, TimeUnit timeUnit) {
        ServiceTracker tracker = new ServiceTracker(bc, clazz.getName(), null);
        tracker.open();
        try {
            //noinspection unchecked
            return (T) tracker.waitForService(timeUnit.toMillis(timeout));
        } catch (InterruptedException e) {
            return null;

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     * @throws InvalidSyntaxException If <code>filter</code> contains an
     *                                invalid filter string that cannot be parsed
     */
    public static <T> T getService(BundleContext bc, Class<T> clazz, Filter filter) throws InvalidSyntaxException {
        ServiceTracker tracker = new ServiceTracker(bc, FilterUtils.create(clazz, filter), null);
        tracker.open();
        try {
            //noinspection unchecked
            return (T) tracker.getService();
        } finally {
            tracker.close();

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     * @throws InvalidSyntaxException   If <code>filter</code> contains an
     *                                  invalid filter string that cannot be parsed
     */
    public static <T> T getService(BundleContext bc, Class<T> clazz, Filter filter, long timeout, TimeUnit timeUnit) throws InvalidSyntaxException {
        ServiceTracker tracker = new ServiceTracker(bc, FilterUtils.create(clazz, filter), null);
        tracker.open();
        try {
            //noinspection unchecked
            return (T) tracker.waitForService(timeUnit.toMillis(timeout));
        } catch (InterruptedException e) {
            return null;

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            continue;
          }
          // check that the startlevel allows the bundle to be active (111550)
          if (tracker == null) {
            tracker = new ServiceTracker(context, StartLevel.class.getName(), null);
            tracker.open();
          }
          StartLevel sl = (StartLevel) tracker.getService();
          if (sl != null && (sl.getBundleStartLevel(bundles[i]) <= sl.getStartLevel())) {
            log.log(new FrameworkLogEntry(FrameworkAdaptor.FRAMEWORK_SYMBOLICNAME, FrameworkLogEntry.ERROR, 0, NLS.bind(EclipseAdaptorMsg.ECLIPSE_STARTUP_ERROR_BUNDLE_NOT_ACTIVE, bundles[i]), 0, null, null));
          }

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    updateSplash(semaphore, listener);
  }


  private static void updateSplash(Semaphore semaphore, FrameworkListener listener) {
    ServiceTracker monitorTracker = new ServiceTracker(context, StartupMonitor.class.getName(), null);
    monitorTracker.open();
    try {
      while (true) {
        StartupMonitor monitor = (StartupMonitor) monitorTracker.getService();
        if (monitor != null) {
          try {

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        props.put(RepositoryConstants.REPOSITORY_MASTER, String.valueOf(isMaster));
        props.put("factory.instance.pid", instanceName);
        Configuration config = m_configAdmin.createFactoryConfiguration("org.apache.ace.server.repository.factory", null);


        ServiceTracker tracker = new ServiceTracker(m_bundleContext, m_bundleContext.createFilter("(factory.instance.pid=" + instanceName + ")"), null);
        tracker.open();


        config.update(props);


        if (tracker.waitForService(5000) == null) {
            throw new IOException("Did not get notified about new repository becoming available in time.");

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                        if (size() == 0) {
                            sem.release();
                        }
                    }
                };
            tracker.open();


            for (int i = 0; i < configs.length; i++) {
                configs[i].delete();
            }

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        }
        props.put("factory.instance.pid", instanceName);
        Configuration config = m_configAdmin.createFactoryConfiguration("org.apache.ace.server.repository.factory", null);


        ServiceTracker tracker = new ServiceTracker(m_bundleContext, m_bundleContext.createFilter("(factory.instance.pid=" + instanceName + ")"), null);
        tracker.open();


        config.update(props);


        if (tracker.waitForService(1000) == null) {
            throw new IOException("Did not get notified about new repository becoming available in time.");

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