Package org.apache.felix.dm

Examples of org.apache.felix.dm.Component

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    public void testOptionalServiceRegistrationAndConsumption() {
        DependencyManager m = new DependencyManager(context);
        // helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();
        // create a service provider and consumer
        Component sp = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
        Component sp2 = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
        Component sc = m.createComponent().setImplementation(new ServiceConsumer(e)).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(false).setCallbacks("add", "remove"));
        m.add(sp);
        m.add(sp2);
        m.add(sc);
        // wait until both services have been added to our consumer
        e.waitForStep(2, 5000);
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        // note that we can provide an actual implementation instance here because there will be only one
        // adapter, normally you'd want to specify a Class here
        CallbackInstance callbackInstance = new CallbackInstance(e);
        Properties serviceProps = new Properties();
        serviceProps.setProperty("number", "1");
        Component component = m.createResourceAdapterService("(&(path=/path/to/*.txt)(host=localhost))", false, callbackInstance, "changed")
            .setImplementation(new ResourceAdapter(e))
            .setInterface(ServiceInterface.class.getName(), serviceProps)
            .setCallbacks(callbackInstance, "init", "start", "stop", "destroy");
        m.add(component);
        // wait until the single resource is available
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    public void testWhiteboardConsumer() {
        DependencyManager m = new DependencyManager(context);
        // helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();
        // create service providers and consumer
        Component sp1 = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
        Component sp2 = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
        ServiceConsumer sci = new ServiceConsumer(e);
        Component sc = m.createComponent().setImplementation(sci).add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(false).setCallbacks("add", "remove"));
        Component sa2 = m.createAspectService(ServiceInterface.class, null, 20, null).setImplementation(new ServiceAspect(e, 3));
        Component sa1 = m.createAspectService(ServiceInterface.class, null, 10, null).setImplementation(new ServiceAspect(e, 4));
       
        // start with a service consumer
        System.out.println("Adding consumer");
        m.add(sc);
       
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     @Test
     public void testWithTwoAvailableExtraDependency() {  
         DependencyManager m = new DependencyManager(context);
         // Helper class that ensures certain steps get executed in sequence
         Ensure e = new Ensure();
         Component c1 = m.createComponent()
                         .setInterface(Service1.class.getName(), null)
                         .setImplementation(new MyComponent1(e))
                         .add(m.createServiceDependency()
                              .setService(Service2.class)
                              .setRequired(true)
                              .setAutoConfig("m_service2"));
        
         Component c2 = m.createComponent()
                         .setImplementation(new MyComponent2(e))
                         .add(m.createServiceDependency()
                              .setService(Service1.class)
                              .setRequired(false)
                              .setAutoConfig(false)
                              .setCallbacks("added", null, null));
             
         Component c3 = m.createComponent()
                         .setInterface(Service2.class.getName(), null)
                         .setImplementation(Service2Impl.class);
        
         Hashtable h = new Hashtable();
         h.put("type", "xx");
         Component c4 = m.createComponent()
                         .setInterface(Service3.class.getName(), h)
                         .setImplementation(Service3Impl1.class);

         h = new Hashtable();
         h.put("type", "yy");
         Component c5 = m.createComponent()
                         .setInterface(Service3.class.getName(), h)
                         .setImplementation(Service3Impl2.class);


         System.out.println("\n+++ Adding c2 / MyComponent2");
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   @Test
    public void testWithOneAvailableExtraDependency() { 
        DependencyManager m = new DependencyManager(context);
        // Helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();
        Component c1 = m.createComponent()
                        .setInterface(Service1.class.getName(), null)
                        .setImplementation(new MyComponent1(e))
                        .add(m.createServiceDependency()
                             .setService(Service2.class)
                             .setRequired(true)
                             .setAutoConfig("m_service2"));
       
        Component c2 = m.createComponent()
                        .setImplementation(new MyComponent2(e))
                        .add(m.createServiceDependency()
                             .setService(Service1.class)
                             .setRequired(false)
                             .setAutoConfig(false)
                             .setCallbacks("added", null, null));
            
        Component c3 = m.createComponent()
                        .setInterface(Service2.class.getName(), null)
                        .setImplementation(Service2Impl.class);
       
        Hashtable h = new Hashtable();
        h.put("type", "xx");
        Component c4 = m.createComponent()
                        .setInterface(Service3.class.getName(), h)
                        .setImplementation(Service3Impl1.class);

        h = new Hashtable();
        h.put("type", "yy");
        Component c5 = m.createComponent()
                        .setInterface(Service3.class.getName(), h)
                        .setImplementation(Service3Impl2.class);


        System.out.println("\n+++ Adding c2 / MyComponent2");
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    public void testServiceWithAdapterAndConsumer() {
        DependencyManager m = new DependencyManager(context);
        // helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();

        Component provider = m.createComponent()
            .setInterface(OriginalService.class.getName(), null)
            .setImplementation(new ServiceProvider(e));

        Component consumer = m.createComponent()
            .setImplementation(new ServiceConsumer(e))
            .add(m.createServiceDependency()
                .setService(AdaptedService.class)
                .setRequired(true)
            );

        Component adapter = m.createAdapterService(OriginalService.class, null)
            .setInterface(AdaptedService.class.getName(), null)
            .setImplementation(ServiceAdapter.class);
       
        // add the provider and the adapter
        m.add(provider);
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    @Test
    public void testBundleDependencies() {
        DependencyManager m = new DependencyManager(context);
        // create a service provider and consumer
        Consumer c = new Consumer();
        Component consumer = m.createComponent().setImplementation(c).add(m.createBundleDependency().setCallbacks("add", "remove"));
        // add the service consumer
        m.add(consumer);
        // check if at least one bundle was found
        c.check();
        // remove the consumer again
        m.remove(consumer);
        // check if all bundles were removed correctly
        c.doubleCheck();
       
        // helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();
        Component consumerWithFilter = m.createComponent().setImplementation(new FilteredConsumer(e)).add(m.createBundleDependency().setFilter("(Bundle-SymbolicName=org.apache.felix.dependencymanager)").setCallbacks("add", "remove"));
        // add a consumer with a filter
        m.add(consumerWithFilter);
        e.step(2);
        // remove the consumer again
        m.remove(consumerWithFilter);
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        // create a service provider and consumer
        Consumer c = new Consumer();
       
        // helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();
        Component consumerWithFilter = m.createComponent()
            .setImplementation(new FilteredConsumerRequired(e))
            .add(m.createBundleDependency()
                .setRequired(true)
                .setFilter("(Bundle-SymbolicName=org.apache.felix.dependencymanager)")
                .setCallbacks("add", "remove")
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    public void testComposition() {
        DependencyManager m = new DependencyManager(context);
        // helper class that ensures certain steps get executed in sequence
        Ensure e = new Ensure();
        // create a service provider and consumer
        Component sp = m.createComponent().setImplementation(new ServiceProvider(e)).setInterface(ServiceInterface.class.getName(), null);
        Component sc = m.createComponent().setImplementation(new ServiceConsumer(e))
                                      .setComposition("getComposition")
                                      .add(m.createServiceDependency().setService(ServiceInterface.class).setRequired(true).setCallbacks("add", null));
        m.add(sp);
        m.add(sc);
        // ensure we executed all steps inside the component instance
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    public void testServiceInjection() {
        DependencyManager m = new DependencyManager(context);
        Ensure e = new Ensure();
        // create a service provider and consumer
        ServiceProvider provider = new ServiceProvider(e);
        Component sp = m.createComponent().setImplementation(provider).setInterface(ServiceInterface2.class.getName(), null);
        Component sc = m.createComponent().setImplementation(new ServiceConsumer()).add(m.createServiceDependency().setService(ServiceInterface2.class).setRequired(true));
        Component sc2 = m.createComponent()
            .setImplementation(new ServiceConsumerNamedInjection())
            .add(m.createServiceDependency().setService(ServiceInterface2.class).setRequired(false).setAutoConfig("m_service"))
            .add(m.createServiceDependency().setService(ServiceInterface2.class).setRequired(false).setAutoConfig("m_service2"))
            .add(m.createServiceDependency().setService(ServiceInterface2.class).setRequired(false).setAutoConfig("m_service3"))
            ;
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