Examples of org.osgi.service.startlevel.StartLevel

org.osgi.service.startlevel.StartLevel
The StartLevel service allows management agents to manage a start level assigned to each bundle and the active start level of the Framework. There is at most one StartLevel service present in the OSGi environment.
A start level is defined to be a state of execution in which the Framework exists. StartLevel values are defined as unsigned integers with 0 (zero) being the state where the Framework is not launched. Progressively higher integral values represent progressively higher start levels. e.g. 2 is a higher start level than 1.
Access to the StartLevel service is protected by corresponding {@code ServicePermission}. In addition {@code AdminPermission}is required to actually modify start level information.
Start Level support in the Framework includes the ability to control the beginning start level of the Framework, to modify the active start level of the Framework and to assign a specific start level to a bundle. How the beginning start level of a Framework is specified is implementation dependent. It may be a command line argument when invoking the Framework implementation.
When the Framework is first started it must be at start level zero. In this state, no bundles are running. This is the initial state of the Framework before it is launched. When the Framework is launched, the Framework will enter start level one and all bundles which are assigned to start level one and whose autostart setting indicates the bundle should be started are started as described in the {@code Bundle.start} method. The Framework will continue to increasethe start level, starting bundles at each start level, until the Framework has reached a beginning start level. At this point the Framework has completed starting bundles and will then fire a Framework event of type {@code FrameworkEvent.STARTED} to announce it has completed itslaunch.
Within a start level, bundles may be started in an order defined by the Framework implementation. This may be something like ascending {@code Bundle.getBundleId} order or an order based upon dependenciesbetween bundles. A similar but reversed order may be used when stopping bundles within a start level.
The StartLevel service can be used by management bundles to alter the active start level of the framework. @ThreadSafe @noimplement @author $Id: 42f3c6bbf682a69ea3914c737d5b0001694383db $ @deprecated This service has been replaced by theorg.osgi.framework.startlevel package.

      * @param bundle the bundle to start.
      * @return whether the bundle was started.
      */
    private boolean startBundle(Bundle bundle)
    {
        StartLevel startLevelSvc = FileInstall.getStartLevel();
        // Fragments can never be started.
        // Bundles can only be started transient when the start level of the framework is high
        // enough. Persistent (i.e. non-transient) starts will simply make the framework start the
        // bundle when the start level is high enough.
        if (startBundles
                && bundle.getState() != Bundle.UNINSTALLED
                && !isFragment(bundle)
                && startLevelSvc.getStartLevel() >= startLevelSvc.getBundleStartLevel(bundle))
        {
            try
            {
                int options = useStartTransient ? Bundle.START_TRANSIENT : 0;
                options |= useStartActivationPolicy ? Bundle.START_ACTIVATION_POLICY : 0;

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        // Check if we want to convert URLs to maven style
        boolean convertToMavenUrls = Boolean.parseBoolean(configProps.getProperty(PROPERTY_CONVERT_TO_MAVEN_URL, "true"));


        // Retrieve the Start Level service, since it will be needed
        // to set the start level of the installed bundles.
        StartLevel sl = (StartLevel) context.getService(
                context.getServiceReference(org.osgi.service.startlevel.StartLevel.class.getName()));


        // Set the default bundle start level
        int ibsl = 60;
        try {
            String str = configProps.getProperty("karaf.startlevel.bundle");
            if (str != null) {
                ibsl = Integer.parseInt(str);
            }
        } catch (Throwable t) {
        }
        sl.setInitialBundleStartLevel(ibsl);


        // The auto-install property specifies a space-delimited list of
        // bundle URLs to be automatically installed into each new profile;
        // the start level to which the bundles are assigned is specified by
        // appending a ".n" to the auto-install property name, where "n" is

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    }


    protected void setStartLevel(int level) throws Exception {
        BundleContext ctx = framework.getBundleContext();
        ServiceReference[] refs = ctx.getServiceReferences(StartLevel.class.getName(), null);
        StartLevel sl = (StartLevel) ctx.getService(refs[0]);
        sl.setStartLevel(level);
    }

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    }


    void startBundle(final ServiceContainer serviceContainer, ServiceName serviceName, OSGiCapability moduleMetaData) {
        ServiceController<Bundle> controller = (ServiceController<Bundle>) serviceContainer.getRequiredService(serviceName);
        Bundle bundle = controller.getValue();
        StartLevel startLevel = injectedStartLevel.getValue();
        startLevel.setBundleStartLevel(bundle, moduleMetaData.getStartLevel());
        try {
            bundle.start();
        } catch (BundleException ex) {
            ROOT_LOGGER.cannotStart(ex, bundle);
        }

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        return startLevel.get();
    }


    private void initialize() {
        BundleContext syscontext = BundleContextProvider.getBundleContext();
        StartLevel service = getStartLevel(syscontext);
        if (service != null) {
            startLevelProducer.set(service);
        }
    }

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            startLevelProducer.set(service);
        }
    }


    private StartLevel getStartLevel(BundleContext syscontext) {
        StartLevel result = null;
        if (syscontext != null) {
            ServiceReference sref = syscontext.getServiceReference(StartLevel.class.getName());
            result = (StartLevel) syscontext.getService(sref);
        }
        return result;

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                    StartLevelAware startLevelAware = method.getAnnotation(StartLevelAware.class);
                    Bundle bundle = getBundle(testCase);
                    if (bundle != null) {
                        int bundleStartLevel = startLevelAware.startLevel();
                        log.fine("Setting bundle start level of " + bundle + " to: " + bundleStartLevel);
                        StartLevel startLevel = getStartLevel();
                        startLevel.setBundleStartLevel(bundle, bundleStartLevel);
                        if (startLevelAware.autostart()) {
                            try {
                                bundle.start();
                            } catch (BundleException ex) {
                                log.log(Level.SEVERE, ex.getMessage(), ex);

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        }
    }


    private void injectStartLevel(Object testCase, Field field) {
        try {
            StartLevel startLevel = getStartLevel();
            log.warning("Deprecated @Inject StartLevel, use @ArquillianResource StartLevel");
            field.set(testCase, startLevel);
        } catch (IllegalAccessException ex) {
            throw new IllegalStateException("Cannot inject StartLevel", ex);
        }

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    }


    private StartLevel getStartLevel() {
        BundleContext context = BundleContextProvider.getBundleContext();
        ServiceReference sref = context.getServiceReference(StartLevel.class.getName());
        StartLevel startLevel = (StartLevel) context.getService(sref);
        return startLevel;
    }

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            Bundle[] bundles = visitor.getBundles();
            PackageAdmin packageAdmin = visitor.getPackageAdmin();
            if (packageAdmin == null) {
                throw new IOException("PackageAdmin is not available");
            }
            StartLevel startLevel = visitor.getStartLevel();
            if (startLevel == null) {
                throw new IOException("StartLevel is not available");
            }
            TabularDataSupport dataSupport = new TabularDataSupport(BUNDLES_TYPE);
            if (bundles != null) {

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