Examples of org.osgi.service.component.ComponentContext

org.osgi.service.component.ComponentContext
A Component Context object is used by a component instance to interact with its execution context including locating services by reference name. Each component instance has a unique Component Context.
A component instance may have an activate method. If a component instance has a suitable and accessible activate method, this method will be called when a component configuration is activated. If the activate method takes a {@code ComponentContext} argument, it will be passed the component instance'sComponent Context object. If the activate method takes a {@code BundleContext} argument, it will be passed the component instance'sBundle Context object. If the activate method takes a {@code Map} argument,it will be passed an unmodifiable Map containing the component properties.
A component instance may have a deactivate method. If a component instance has a suitable and accessible deactivate method, this method will be called when the component configuration is deactivated. If the deactivate method takes a {@code ComponentContext} argument, it will be passed the componentinstance's Component Context object. If the deactivate method takes a {@code BundleContext} argument, it will be passed the component instance'sBundle Context object. If the deactivate method takes a {@code Map} argument,it will be passed an unmodifiable Map containing the component properties. If the deactivate method takes an {@code int} or {@code Integer} argument, itwill be passed the reason code for the component instance's deactivation. @ThreadSafe @noimplement @author $Id: 4f87f06a8d2bcbda855799d0323582eb6164f99b $

     */
    private void lazyInitialization() {
        if (!this.initialized) {
            this.initialized = true;
            // activate service in simulated OSGi environment
            ComponentContext componentContext = MockOsgi.newComponentContext();
            this.bindLogService(MockOsgi.newLogService(getClass()));
            activate(componentContext);
        }
    }

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     * @param target Service instance.
     * @return true if activation method was called. False if such a method did
     *         not exist.
     */
    public static boolean activate(Object target) {
        ComponentContext componentContext = newComponentContext();
        return ReflectionServiceUtil.activateDeactivate(target, componentContext, true);
    }

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     * @param properties Properties
     * @return true if activation method was called. False if such a method did
     *         not exist.
     */
    public static boolean activate(Object target, Dictionary<String, Object> properties) {
        ComponentContext componentContext = newComponentContext(properties);
        return ReflectionServiceUtil.activateDeactivate(target, componentContext, true);
    }

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     * @param properties Properties
     * @return true if activation method was called. False if such a method did
     *         not exist.
     */
    public static boolean activate(Object target, BundleContext bundleContext, Dictionary<String, Object> properties) {
        ComponentContext componentContext = newComponentContext(bundleContext, properties);
        return ReflectionServiceUtil.activateDeactivate(target, componentContext, true);
    }

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     * @param target Service instance.
     * @return true if deactivation method was called. False if such a method
     *         did not exist.
     */
    public static boolean deactivate(Object target) {
        ComponentContext componentContext = newComponentContext();
        return ReflectionServiceUtil.activateDeactivate(target, componentContext, false);
    }

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     * @param properties Properties
     * @return true if deactivation method was called. False if such a method
     *         did not exist.
     */
    public static boolean deactivate(Object target, Dictionary<String, Object> properties) {
        ComponentContext componentContext = newComponentContext(properties);
        return ReflectionServiceUtil.activateDeactivate(target, componentContext, false);
    }

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     * @param properties Properties
     * @return true if deactivation method was called. False if such a method
     *         did not exist.
     */
    public static boolean deactivate(Object target, BundleContext bundleContext, Dictionary<String, Object> properties) {
        ComponentContext componentContext = newComponentContext(bundleContext, properties);
        return ReflectionServiceUtil.activateDeactivate(target, componentContext, false);
    }

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    @Test
    public void testProvidedProperties() {
        Dictionary<String, Object> props = new Hashtable<String, Object>();
        props.put("prop1", "value1");
        props.put("prop2", 25);
        ComponentContext componentContextWithProperties = MockOsgi.newComponentContext(props);


        Dictionary contextProps = componentContextWithProperties.getProperties();
        assertEquals(2, contextProps.size());
        assertEquals("value1", contextProps.get("prop1"));
        assertEquals(25, contextProps.get("prop2"));
    }

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     * Helper method to create a mock component context
     */
    protected ComponentContext createComponentContext() throws Exception {
        final BundleContext bundleCtx = this.context.mock(BundleContext.class);
        final Filter filter = this.context.mock(Filter.class);
        final ComponentContext ctx = this.context.mock(ComponentContext.class);
        this.context.checking(new Expectations() {{
            allowing(ctx).locateService(with(any(String.class)), with(any(ServiceReference.class)));
            will(returnValue(new MockAdapterFactory()));
            allowing(ctx).getBundleContext();
            will(returnValue(bundleCtx));

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     * Helper method to create a mock component context
     */
    protected ComponentContext createMultipleAdaptersComponentContext(final ServiceReference firstServiceReference, final ServiceReference secondServiceReference) throws Exception {
        final BundleContext bundleCtx = this.context.mock(BundleContext.class);
        final Filter filter = this.context.mock(Filter.class);
        final ComponentContext ctx = this.context.mock(ComponentContext.class);
        this.context.checking(new Expectations() {{
            allowing(ctx).locateService(with(any(String.class)), with(firstServiceReference));
            will(returnValue(new FirstImplementationAdapterFactory()));
            allowing(ctx).locateService(with(any(String.class)), with(secondServiceReference));
            will(returnValue(new SecondImplementationAdapterFactory()));

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