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

Class org.osgi.util.tracker.ServiceTracker

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

org.osgi.util.tracker.ServiceTracker.waitForService()
Wait for at least one service to be tracked by this {@code ServiceTracker}. This method will also return when this {@code ServiceTracker} is closed.
It is strongly recommended that {@code waitForService} is not used duringthe calling of the {@code BundleActivator} methods.{@code BundleActivator} methods are expected to complete in a shortperiod of time.
This implementation calls {@link #getService()} to determine if a serviceis being tracked. @param timeout The time interval in milliseconds to wait. If zero, themethod will wait indefinitely. @return Returns the result of {@link #getService()}. @throws InterruptedException If another thread has interrupted thecurrent thread. @throws IllegalArgumentException If the value of timeout is negative.

        ServiceTracker tracker = new ServiceTracker(m_bundleContext, m_bundleContext.createFilter("(&(" + Constants.OBJECTCLASS + "="
                + Runnable.class.getName() + ")(" + SchedulerConstants.SCHEDULER_NAME_KEY + "="
                + "org.apache.ace.client.processauditlog" + "))"), null);
        tracker.open();


        final Runnable processAuditlog = (Runnable) tracker.waitForService(2000);


        if (processAuditlog != null) {
            // commit should be called
            runAndWaitForEvent(new Callable<Object>() {
                public Object call() throws Exception {

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                } else {
                    LOGGER.debug("Optional resolver '" + resolver + "' not found, using the default resolver");
                    return feature.getBundles();
                }
            } else {
                Resolver r = (Resolver) tracker.waitForService(resolverTimeout);
                if (r == null) {
                    throw new Exception("Unable to find required resolver '" + resolver + "'");
                }
                return r.resolve(feature);
            }

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            filterString = "(&" + classFilter + filterString + ")";
            serviceTracker = new ServiceTracker(m_bundleContext, m_bundleContext.createFilter(filterString), null);
        }
        serviceTracker.open();
        try {
            serviceInstance = (T) serviceTracker.waitForService(SERVICE_TIMEOUT * 1000);


            if (serviceInstance == null) {
                fail(serviceClass + " service not found.");
            }
            else {

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            Filter osgiFilter = FrameworkUtil.createFilter(filter);
            tracker = new ServiceTracker(bundleContext, osgiFilter, null);
            tracker.open(true);
            Object svc = tracker.getService();
            if (timeout >= 0) {
                svc = tracker.waitForService(timeout);
            }
            if (exception && svc == null) {
                throw new TimeoutException("Can not find service '" + service + "' in the OSGi registry");
            }
            return svc != null;

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            Filter osgiFilter = FrameworkUtil.createFilter(flt);
            tracker = new ServiceTracker(bundleContext, osgiFilter, null);
            tracker.open(true);
            // Note that the tracker is not closed to keep the reference
            // This is buggy, as the service reference may change i think
            Object svc = type.cast(tracker.waitForService(timeout));
            if (svc == null) {
                Dictionary dic = bundleContext.getBundle().getHeaders();
                System.err.println("Test bundle headers: " + explode(dic));


                for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, null))) {

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            Filter osgiFilter = FrameworkUtil.createFilter(flt);
            tracker = new ServiceTracker(bundleContext, osgiFilter, null);
            tracker.open(true);
            // Note that the tracker is not closed to keep the reference
            // This is buggy, as the service reference may change i think
            Object svc = type.cast(tracker.waitForService(timeout));
            if (svc == null) {
                Dictionary dic = bundleContext.getBundle().getHeaders();
                System.err.println("Test bundle headers: " + explode(dic));


                for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, null))) {

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            Filter osgiFilter = FrameworkUtil.createFilter(flt);
            tracker = new ServiceTracker(bundleContext, osgiFilter, null);
            tracker.open(true);
            // Note that the tracker is not closed to keep the reference
            // This is buggy, as the service reference may change i think
            Object svc = type.cast(tracker.waitForService(timeout));
            if (svc == null) {
                Dictionary dic = bundleContext.getBundle().getHeaders();
                System.err.println("Test bundle headers: " + explode(dic));


                for (ServiceReference ref : asCollection(bundleContext.getAllServiceReferences(null, null))) {

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    public Main getMain() {
        ServiceTracker tracker = new ServiceTracker(getFramework().getBundleContext(), Main.class.getName(), null);
        tracker.open();        
        Main geronimoMain = null;
        try {
            return (Main) tracker.waitForService(1000 * 60);
        } catch (InterruptedException e) {            
            // ignore
        } finally {
            tracker.close();
        }

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                } else {
                    LOGGER.debug("Optional resolver '" + resolver + "' not found, using the default resolver");
                    return feature.getBundles();
                }
            } else {
                Resolver r = (Resolver) tracker.waitForService(resolverTimeout);
                if (r == null) {
                    throw new Exception("Unable to find required resolver '" + resolver + "'");
                }
                return r.resolve(feature);
            }

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    protected PackageAdmin getPackageAdmin() {
        ServiceTracker packageAdminTracker = activator.getPackageAdminTracker();
        if (packageAdminTracker != null) {
            try {
                return (PackageAdmin) packageAdminTracker.waitForService(5000L);
            }
            catch (InterruptedException e) {
                // ignore
            }
        }

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