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.

      tracker.open();
      
      // add tracker to the list of trackers we close at tear down
      srs.add(tracker);
      
      Object svc = type.cast(tracker.waitForService(timeout));
      if (svc == null) {
        throw new RuntimeException("Gave up waiting for service " + flt);
      }
      return type.cast(svc);
    } catch (InvalidSyntaxException e) {

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      tracker = new ServiceTracker(bc == null ? bundleContext : bc, osgiFilter,
          null);
      tracker.open();
      // Note that the tracker is not closed to keep the reference
      // This is buggy, has the service reference may change i think
      Object svc = type.cast(tracker.waitForService(timeout));
      if (svc == null) {
        throw new RuntimeException("Gave up waiting for service " + flt);
      }
      return type.cast(svc);
    } catch (InvalidSyntaxException e) {

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      tracker = new ServiceTracker(bc == null ? bundleContext : bc, osgiFilter,
          null);
      tracker.open();
      // Note that the tracker is not closed to keep the reference
      // This is buggy, has the service reference may change i think
      Object svc = type.cast(tracker.waitForService(timeout));
      if (svc == null) {
        throw new RuntimeException("Gave up waiting for service " + flt);
      }
      return type.cast(svc);
    } catch (InvalidSyntaxException e) {

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      tracker = new ServiceTracker(bc == null ? bundleContext : bc, osgiFilter,
          null);
      tracker.open();
      // Note that the tracker is not closed to keep the reference
      // This is buggy, has the service reference may change i think
      Object svc = type.cast(tracker.waitForService(timeout));
      if (svc == null) {
        throw new RuntimeException("Gave up waiting for service " + flt);
      }
      return type.cast(svc);
    } catch (InvalidSyntaxException e) {

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      tracker = new ServiceTracker(bc == null ? bundleContext : bc, osgiFilter,
          null);
      tracker.open();
      // Note that the tracker is not closed to keep the reference
      // This is buggy, has the service reference may change i think
      Object svc = type.cast(tracker.waitForService(timeout));
      if (svc == null) {
        throw new RuntimeException("Gave up waiting for service " + flt);
      }
      return type.cast(svc);
    } catch (InvalidSyntaxException e) {

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      tracker.open();
      
      // add tracker to the list of trackers we close at tear down
      srs.add(tracker);


      Object x = tracker.waitForService(timeout);
      Object svc = type.cast(x);
      if (svc == null) {
        throw new RuntimeException("Gave up waiting for service " + flt);
      }
      return type.cast(svc);

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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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                } 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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            // some code to be executed which may be depending on the environment variable values.
            setEnv(gfProps.getProperties());
            final StartupContext startupContext = new StartupContext(gfProps.getProperties());
            final ServiceTracker hk2Tracker = new ServiceTracker(getBundleContext(), Main.class.getName(), null);
            hk2Tracker.open();
            final Main main = (Main) hk2Tracker.waitForService(0);
            hk2Tracker.close();
            final ModulesRegistry mr = ModulesRegistry.class.cast(getBundleContext().getService(getBundleContext().getServiceReference(ModulesRegistry.class.getName())));
            ServiceLocator serviceLocator = main.createServiceLocator(mr, startupContext, null, null);
            final ModuleStartup gfKernel = main.findStartupService(mr, serviceLocator, null, startupContext);
            GlassFish glassFish = createGlassFish(gfKernel, serviceLocator, gfProps.getProperties());

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        }
        final BundleContext context = framework.getBundleContext();
        ServiceTracker tracker = new ServiceTracker(context, type.getName(), null);
        try {
            tracker.open(true);
            return type.cast(tracker.waitForService(0));
        } finally {
            tracker.close(); // no need to track further
        }
    }

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