Package org.apache.felix.scr

Examples of org.apache.felix.scr.Component

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     */
    @Test
    public void test_A11_B01_immediate_B_first()
    {
        String componentNameA = "6.A.1.1.dynamic";
        final Component componentA = findComponentByName( componentNameA );
        TestCase.assertNotNull( componentA );
        TestCase.assertEquals( Component.STATE_ACTIVE, componentA.getState() );
        A a = ( A ) componentA.getComponentInstance().getInstance();
        assertEquals( 1, a.getBs().size());

        String componentNameB = "6.B.0.1.dynamic";
        final Component componentB = findComponentByName( componentNameB );
        TestCase.assertNotNull( componentB );
        TestCase.assertEquals( Component.STATE_ACTIVE, componentB.getState() );
        B b = ( B ) componentB.getComponentInstance().getInstance();
        assertEquals( 1, b.getAs().size() );
    }
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     */
    @Test
    public void test_A11_B01_delayed_A_first() throws InvalidSyntaxException
    {
        String componentNameA = "7.A.1.1.dynamic";
        final Component componentA = findComponentByName( componentNameA );
        TestCase.assertNotNull( componentA );
        TestCase.assertEquals( Component.STATE_REGISTERED, componentA.getState() );

        String componentNameB = "7.B.0.1.dynamic";
        final Component componentB = findComponentByName( componentNameB );
        TestCase.assertNotNull( componentB );
        TestCase.assertEquals( Component.STATE_REGISTERED, componentB.getState() );

        ServiceReference[] serviceReferences = bundleContext.getServiceReferences( A.class.getName(), "(service.pid=" + componentNameA + ")" );
        TestCase.assertEquals( 1, serviceReferences.length );
        ServiceReference serviceReference = serviceReferences[0];
        Object service = bundleContext.getService( serviceReference );
        assertNotNull( service );

        delay();
        A a = ( A ) componentA.getComponentInstance().getInstance();
        assertEquals( 1, a.getBs().size() );
        B b = ( B ) componentB.getComponentInstance().getInstance();
        assertEquals( 1, b.getAs().size() );
    }
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     */
    @Test
    public void test_A11_B01_delayed_B_first() throws InvalidSyntaxException
    {
        String componentNameA = "7.A.1.1.dynamic";
        final Component componentA = findComponentByName( componentNameA );
        TestCase.assertNotNull( componentA );
        TestCase.assertEquals( Component.STATE_REGISTERED, componentA.getState() );

        String componentNameB = "7.B.0.1.dynamic";
        final Component componentB = findComponentByName( componentNameB );
        TestCase.assertNotNull( componentB );
        TestCase.assertEquals( Component.STATE_REGISTERED, componentB.getState() );

        ServiceReference[] serviceReferencesB = bundleContext.getServiceReferences( B.class.getName(), "(service.pid=" + componentNameB + ")" );
        TestCase.assertEquals( 1, serviceReferencesB.length );
        ServiceReference serviceReferenceB = serviceReferencesB[0];
        Object serviceB = bundleContext.getService( serviceReferenceB );
        assertNotNull( serviceB );

        ServiceReference[] serviceReferencesA = bundleContext.getServiceReferences( A.class.getName(), "(service.pid=" + componentNameA + ")" );
        TestCase.assertEquals( 1, serviceReferencesA.length );
        ServiceReference serviceReferenceA = serviceReferencesA[0];
        Object serviceA = bundleContext.getService( serviceReferenceA );
        assertNotNull( serviceA );


        delay();
        A a = ( A ) componentA.getComponentInstance().getInstance();
        assertEquals( 1, a.getBs().size() );
        B b = ( B ) componentB.getComponentInstance().getInstance();
        assertEquals( 1, b.getAs().size() );


        //disabling (removing the A service registration) and re-enabling will
        //result in a service event to B, so B will bind A.
        componentA.disable();
        delay();
        componentA.enable();
        delay();
        ServiceReference[] serviceReferencesA1 = bundleContext.getServiceReferences( A.class.getName(), "(service.pid=" + componentNameA + ")" );
        TestCase.assertEquals( 1, serviceReferencesA1.length );
        ServiceReference serviceReferenceA1 = serviceReferencesA1[0];
        Object serviceA1 = bundleContext.getService( serviceReferenceA1 );
        assertNotNull( serviceA1 );

        A a1 = ( A ) componentA.getComponentInstance().getInstance();
        assertEquals( 1, a1.getBs().size() );
        B b1 = ( B ) componentB.getComponentInstance().getInstance();
        assertEquals( 1, b1.getAs().size() );

    }
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    public void test_component_factory() throws InvalidSyntaxException
    {
        final String componentname = "factory.component";
        final String componentfactory = "factory.component.factory";

        final Component component = findComponentByName( componentname );

        TestCase.assertNotNull( component );
        TestCase.assertFalse( component.isDefaultEnabled() );

        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );

        final ServiceReference[] refs = bundleContext.getServiceReferences( ComponentFactory.class.getName(), "("
            + ComponentConstants.COMPONENT_FACTORY + "=" + componentfactory + ")" );
        TestCase.assertNotNull( refs );
        TestCase.assertEquals( 1, refs.length );
        final ComponentFactory factory = ( ComponentFactory ) bundleContext.getService( refs[0] );
        TestCase.assertNotNull( factory );

        Hashtable<String, String> props = new Hashtable<String, String>();
        props.put( PROP_NAME_FACTORY, PROP_NAME_FACTORY );
        final ComponentInstance instance = factory.newInstance( props );
        TestCase.assertNotNull( instance );

        TestCase.assertNotNull( instance.getInstance() );
        TestCase.assertEquals( SimpleComponent.INSTANCE, instance.getInstance() );
        TestCase.assertEquals( PROP_NAME_FACTORY, SimpleComponent.INSTANCE.getProperty( PROP_NAME_FACTORY ) );

        final Map<?, ?> instanceMap = ( Map<?, ?> ) getFieldValue( component, "m_componentInstances" );
        TestCase.assertNotNull( instanceMap );
        TestCase.assertEquals( 1, instanceMap.size() );

        final Object instanceManager = getComponentManagerFromComponentInstance( instance );
        TestCase.assertTrue( instanceMap.containsValue( instanceManager ) );

        // check registered components
        final Component[] allFactoryComponents = findComponentsByName( componentname );
        TestCase.assertNotNull( allFactoryComponents );
        TestCase.assertEquals( 2, allFactoryComponents.length );
        for ( int i = 0; i < allFactoryComponents.length; i++ )
        {
            final Component c = allFactoryComponents[i];
            if ( c.getId() == component.getId() )
            {
                TestCase.assertEquals( Component.STATE_FACTORY, c.getState() );
            }
            else if ( c.getId() == SimpleComponent.INSTANCE.m_id )
            {
                TestCase.assertEquals( Component.STATE_ACTIVE, c.getState() );
            }
            else
            {
                TestCase.fail( "Unexpected Component " + c );
            }
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        // tests components remain alive after factory has been disabled

        final String componentname = "factory.component";
        final String componentfactory = "factory.component.factory";

        final Component component = findComponentByName( componentname );

        TestCase.assertNotNull( component );
        TestCase.assertFalse( component.isDefaultEnabled() );

        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );

        final ServiceReference[] refs = bundleContext.getServiceReferences( ComponentFactory.class.getName(), "("
            + ComponentConstants.COMPONENT_FACTORY + "=" + componentfactory + ")" );
        TestCase.assertNotNull( refs );
        TestCase.assertEquals( 1, refs.length );
        final ComponentFactory factory = ( ComponentFactory ) bundleContext.getService( refs[0] );
        TestCase.assertNotNull( factory );

        Hashtable<String, String> props = new Hashtable<String, String>();
        props.put( PROP_NAME_FACTORY, PROP_NAME_FACTORY );
        final ComponentInstance instance = factory.newInstance( props );
        TestCase.assertNotNull( instance );

        TestCase.assertNotNull( instance.getInstance() );
        TestCase.assertEquals( SimpleComponent.INSTANCE, instance.getInstance() );
        TestCase.assertEquals( PROP_NAME_FACTORY, SimpleComponent.INSTANCE.getProperty( PROP_NAME_FACTORY ) );

        final Map<?, ?> instanceMap = ( Map<?, ?> ) getFieldValue( component, "m_componentInstances" );
        TestCase.assertNotNull( instanceMap );
        TestCase.assertEquals( 1, instanceMap.size() );

        final Object instanceManager = getComponentManagerFromComponentInstance( instance );
        TestCase.assertTrue( instanceMap.containsValue( instanceManager ) );

        // disable the factory
        component.disable();
        delay();

        // factory is disabled but the instance is still alive
        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );
        TestCase.assertNotNull( SimpleComponent.INSTANCE );
        TestCase.assertEquals( 1, instanceMap.size() );
        TestCase.assertTrue( instanceMap.containsValue( instanceManager ) );

        instance.dispose();
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    public void test_component_factory_newInstance_failure() throws InvalidSyntaxException
    {
        final String componentname = "factory.component";
        final String componentfactory = "factory.component.factory";

        final Component component = findComponentByName( componentname );

        TestCase.assertNotNull( component );
        TestCase.assertFalse( component.isDefaultEnabled() );

        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );

        final ServiceReference[] refs = bundleContext.getServiceReferences( ComponentFactory.class.getName(), "("
            + ComponentConstants.COMPONENT_FACTORY + "=" + componentfactory + ")" );
        TestCase.assertNotNull( refs );
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    @Test
    public void test_optional_single_dynamic()
    {
        final Component component = findComponentByName( "test_optional_single_dynamic" );
        TestCase.assertNotNull( component );
        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );

        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1", 1 );

        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp10 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp10 );
        TestCase.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );

        srv1.drop();
        // no delay, should be immediate

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp10, comp11 );
        TestCase.assertNull( comp11.m_singleRef );
        TestCase.assertTrue( comp11.m_multiRef.isEmpty() );

        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2", 2 );
        delay(); // async binding

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp10, comp12 );
        TestCase.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );

        component.disable();
        delay(); // async disabling

        final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3", 2 );

        // enable component with two services available of same ranking, expect srv2 bind
        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp20 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp20 );
        TestCase.assertNotSame( comp10, comp20 );
        TestCase.assertEquals( srv2, comp20.m_singleRef );
        TestCase.assertTrue( comp20.m_multiRef.isEmpty() );

        // drop srv2, expect rebind to srv3 (synchronously)
        srv2.drop();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp21 );
        TestCase.assertEquals( srv3, comp21.m_singleRef );
        TestCase.assertTrue( comp21.m_multiRef.isEmpty() );

        // create srv4, expect greedy rebind
        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4", 4 );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp22 );
        TestCase.assertEquals( srv4, comp22.m_singleRef );
        TestCase.assertTrue( comp22.m_multiRef.isEmpty() );

        // drop srv4 again, expect rebind to srv3
        srv4.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp23 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp23 );
        TestCase.assertEquals( srv3, comp23.m_singleRef );
        TestCase.assertTrue( comp23.m_multiRef.isEmpty() );

        // "reset"
        component.disable();
        srv3.drop();
        delay();

        // two services with service ranking (srv6 > srv5)
        final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
        final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp30 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp30 );
        TestCase.assertEquals( srv6, comp30.m_singleRef );
        TestCase.assertTrue( comp30.m_multiRef.isEmpty() );

        // another service with higher ranking -- greedy rebind !
        final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp31 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp31 );
        TestCase.assertEquals( srv7, comp31.m_singleRef );
        TestCase.assertTrue( comp31.m_multiRef.isEmpty() );

        // srv6 goes, rebind to srv7
        srv6.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp32 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp32 );
        TestCase.assertEquals( srv7, comp32.m_singleRef );
        TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
    }
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    @Test
    public void test_required_single_dynamic()
    {
        final Component component = findComponentByName( "test_required_single_dynamic" );
        TestCase.assertNotNull( component );
        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );

        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1", 1 );

        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp10 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp10 );
        TestCase.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );

        srv1.drop();
        // no delay, should be immediate

        TestCase.assertEquals( Component.STATE_UNSATISFIED, component.getState() );
        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
        TestCase.assertNull( comp11 );

        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2", 2 );
        delay(); // async binding

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp10, comp12 );
        TestCase.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );

        component.disable();
        delay(); // async disabling

        final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3", 2 );

        // enable component with two services available of same ranking, expect srv2 bind
        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp20 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp20 );
        TestCase.assertNotSame( comp10, comp20 );
        TestCase.assertEquals( srv2, comp20.m_singleRef );
        TestCase.assertTrue( comp20.m_multiRef.isEmpty() );

        // drop srv2, expect rebind to srv3 (synchronously)
        srv2.drop();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp21 );
        TestCase.assertEquals( srv3, comp21.m_singleRef );
        TestCase.assertTrue( comp21.m_multiRef.isEmpty() );

        // create srv4, expect no rebind
        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4", 2 );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp22 );
        TestCase.assertEquals( srv3, comp22.m_singleRef );
        TestCase.assertTrue( comp22.m_multiRef.isEmpty() );

        // drop srv4 again, expect no rebind
        srv4.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp23 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp23 );
        TestCase.assertEquals( srv3, comp23.m_singleRef );
        TestCase.assertTrue( comp23.m_multiRef.isEmpty() );

        // "reset"
        component.disable();
        srv3.drop();
        delay();

        // two services with service ranking (srv6 > srv5)
        final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
        final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp30 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp30 );
        TestCase.assertEquals( srv6, comp30.m_singleRef );
        TestCase.assertTrue( comp30.m_multiRef.isEmpty() );

        // another service with higher ranking --  greedy rebind !
        final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp31 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp31 );
        TestCase.assertEquals( srv7, comp31.m_singleRef );
        TestCase.assertTrue( comp31.m_multiRef.isEmpty() );

        // srv6 goes, no rebind to srv7
        srv6.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp32 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp32 );
        TestCase.assertEquals( srv7, comp32.m_singleRef );
        TestCase.assertTrue( comp32.m_multiRef.isEmpty() );
    }
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    @Test
    public void test_optional_multiple_dynamic()
    {
        final Component component = findComponentByName( "test_optional_multiple_dynamic" );
        TestCase.assertNotNull( component );
        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );

        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );

        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp10 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp10 );
        TestCase.assertNull( comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );

        srv1.drop();
        // no delay, should be immediate

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp10, comp11 );
        TestCase.assertNull( comp11.m_singleRef );
        TestCase.assertTrue( comp11.m_multiRef.isEmpty() );

        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
        delay(); // async binding

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp10, comp12 );
        TestCase.assertNull( comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );

        component.disable();
        delay(); // async disabling

        final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3" );

        // enable component with two services available, expect both bind
        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp20 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp20 );
        TestCase.assertNotSame( comp10, comp20 );
        TestCase.assertNull( comp20.m_singleRef );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );

        srv2.drop();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp21 );
        TestCase.assertNull( comp21.m_singleRef );
        TestCase.assertFalse( comp21.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp21.m_multiRef.contains( srv3 ) );

        // create srv4, expect bind
        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp22 );
        TestCase.assertNull( comp22.m_singleRef );
        TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
        TestCase.assertTrue( comp22.m_multiRef.contains( srv4 ) );

        // drop srv4 again, expect no rebind
        srv4.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp23 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp23 );
        TestCase.assertNull( comp23.m_singleRef );
        TestCase.assertFalse( comp23.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp23.m_multiRef.contains( srv3 ) );
        TestCase.assertFalse( comp23.m_multiRef.contains( srv4 ) );

        // "reset"
        component.disable();
        srv3.drop();
        delay();

        // two services with service ranking (srv6 > srv5)
        final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
        final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp30 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp30 );
        TestCase.assertNull( comp30.m_singleRef );
        TestCase.assertTrue( comp30.m_multiRef.contains( srv5 ) );
        TestCase.assertTrue( comp30.m_multiRef.contains( srv6 ) );

        // another service with higher ranking -- no rebind !
        final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp31 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp31 );
        TestCase.assertNull( comp31.m_singleRef );
        TestCase.assertTrue( comp31.m_multiRef.contains( srv5 ) );
        TestCase.assertTrue( comp31.m_multiRef.contains( srv6 ) );
        TestCase.assertTrue( comp31.m_multiRef.contains( srv7 ) );

        // srv6 goes, rebind to srv7
        srv6.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp32 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp32 );
        TestCase.assertNull( comp32.m_singleRef );
        TestCase.assertTrue( comp32.m_multiRef.contains( srv5 ) );
        TestCase.assertFalse( comp32.m_multiRef.contains( srv6 ) );
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    @Test
    public void test_required_multiple_dynamic()
    {
        final Component component = findComponentByName( "test_required_multiple_dynamic" );
        TestCase.assertNotNull( component );
        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );

        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );

        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp10 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp10 );
        TestCase.assertNull( comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.contains( srv1 ) );

        srv1.drop();
        // no delay, should be immediate

        TestCase.assertEquals( Component.STATE_UNSATISFIED, component.getState() );
        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
        TestCase.assertNull( comp11 );

        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
        delay(); // async binding

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp10, comp12 );
        TestCase.assertNull( comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.contains( srv2 ) );

        component.disable();
        delay(); // async disabling

        final SimpleServiceImpl srv3 = SimpleServiceImpl.create( bundleContext, "srv3" );

        // enable component with two services available, expect both bind
        // async enabling
        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp20 = SimpleComponent.INSTANCE;
        TestCase.assertNotNull( comp20 );
        TestCase.assertNotSame( comp10, comp20 );
        TestCase.assertNull( comp20.m_singleRef );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );

        srv2.drop();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp21 );
        TestCase.assertNull( comp21.m_singleRef );
        TestCase.assertFalse( comp21.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp21.m_multiRef.contains( srv3 ) );

        // create srv4, expect bind
        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp22 );
        TestCase.assertNull( comp22.m_singleRef );
        TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
        TestCase.assertTrue( comp22.m_multiRef.contains( srv4 ) );

        // drop srv4 again, expect no rebind
        srv4.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp23 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp20, comp23 );
        TestCase.assertNull( comp23.m_singleRef );
        TestCase.assertFalse( comp23.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp23.m_multiRef.contains( srv3 ) );
        TestCase.assertFalse( comp23.m_multiRef.contains( srv4 ) );

        // "reset"
        component.disable();
        srv3.drop();
        delay();

        // two services with service ranking (srv6 > srv5)
        final SimpleServiceImpl srv5 = SimpleServiceImpl.create( bundleContext, "srv5", 10 );
        final SimpleServiceImpl srv6 = SimpleServiceImpl.create( bundleContext, "srv6", 20 );

        component.enable();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp30 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp30 );
        TestCase.assertNull( comp30.m_singleRef );
        TestCase.assertTrue( comp30.m_multiRef.contains( srv5 ) );
        TestCase.assertTrue( comp30.m_multiRef.contains( srv6 ) );

        // another service with higher ranking -- no rebind !
        final SimpleServiceImpl srv7 = SimpleServiceImpl.create( bundleContext, "srv7", 30 );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp31 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp31 );
        TestCase.assertNull( comp31.m_singleRef );
        TestCase.assertTrue( comp31.m_multiRef.contains( srv5 ) );
        TestCase.assertTrue( comp31.m_multiRef.contains( srv6 ) );
        TestCase.assertTrue( comp31.m_multiRef.contains( srv7 ) );

        // srv6 goes, rebind to srv7
        srv6.drop();
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp32 = SimpleComponent.INSTANCE;
        TestCase.assertSame( comp30, comp32 );
        TestCase.assertNull( comp32.m_singleRef );
        TestCase.assertTrue( comp32.m_multiRef.contains( srv5 ) );
        TestCase.assertFalse( comp32.m_multiRef.contains( srv6 ) );
View Full Code Here
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