Package org.apache.felix.scr.integration.components

Examples of org.apache.felix.scr.integration.components.SimpleServiceImpl

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    {
        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 );
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    {
        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 );
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        component.enable();
        delay();
        TestCase.assertEquals( Component.STATE_UNSATISFIED, component.getState() );

        // register service, satisfying
        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
        delay();
        TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );

        // create a component instance
        final ServiceReference[] refs = bundleContext.getServiceReferences( ComponentFactory.class.getName(), "("
            + ComponentConstants.COMPONENT_FACTORY + "=" + factoryPid + ")" );
        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() );

        // ensure instance is bound
        final SimpleComponent sc = SimpleComponent.INSTANCE;
        TestCase.assertEquals( 1, sc.m_multiRef.size() );
        TestCase.assertTrue( sc.m_multiRef.contains( srv1 ) );

        // ensure factory is not bound
        TestCase.assertNull( component.getReferences()[0].getServiceReferences() );

        // assert two components managed
        final Component[] allFactoryComponents = findComponentsByName( pid );
        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 );
            }
        }

        // register second service
        final SimpleServiceImpl srv11 = SimpleServiceImpl.create( bundleContext, "srv11" );
        delay();

        // ensure instance is bound
        TestCase.assertEquals( 2, sc.m_multiRef.size() );
        TestCase.assertTrue( sc.m_multiRef.contains( srv1 ) );
        TestCase.assertTrue( sc.m_multiRef.contains( srv11 ) );

        // ensure factory is not bound
        TestCase.assertNull( component.getReferences()[0].getServiceReferences() );

        // drop second service and ensure unbound (and active)
        srv11.drop();
        delay();
        TestCase.assertNotNull( instance.getInstance() );
        TestCase.assertEquals( SimpleComponent.INSTANCE, instance.getInstance() );
        TestCase.assertEquals( 1, sc.m_multiRef.size() );
        TestCase.assertTrue( sc.m_multiRef.contains( srv1 ) );
        TestCase.assertNull( component.getReferences()[0].getServiceReferences() );


        // remove the service, expect factory to deactivate and instance to dispose
        srv1.drop();
        delay();

        TestCase.assertEquals( Component.STATE_UNSATISFIED, component.getState() );
        TestCase.assertNull( instance.getInstance() );

        // assert component factory only managed
        final Component[] allFactoryComponents2 = findComponentsByName( pid );
        TestCase.assertNotNull( allFactoryComponents2 );
        TestCase.assertEquals( 1, allFactoryComponents2.length );
        for ( int i = 0; i < allFactoryComponents2.length; i++ )
        {
            final Component c = allFactoryComponents2[i];
            if ( c.getId() == component.getId() )
            {
                TestCase.assertEquals( Component.STATE_UNSATISFIED, c.getState() );
            }
            else
            {
                TestCase.fail( "Unexpected Component " + c );
            }
        }

        // registeranother service, factory must come back, instance not
        final SimpleServiceImpl srv2 = SimpleServiceImpl.create( bundleContext, "srv2" );
        delay();

        TestCase.assertEquals( Component.STATE_FACTORY, component.getState() );
        TestCase.assertNull( instance.getInstance() );
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    {
        final Component component = findComponentByName( "test_optional_single_static" );
        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.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );

        srv1.drop();
        delay(); // async reactivate

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

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

        // static reference does not rebind unless component is cycled for other reasons !!
        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp12 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp10, comp12 );
        TestCase.assertSame( comp11, comp12 );
        TestCase.assertNull( comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );

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

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

        // enable component with two services available, 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();
        delay(); // async reactivate

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( 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" );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp22 );
        TestCase.assertSame( comp21, 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.assertNotSame( comp20, comp23 );
        TestCase.assertSame( comp21, comp23 );
        TestCase.assertSame( comp22, 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( comp23, comp30 );
        TestCase.assertEquals( srv6, comp30.m_singleRef );
        TestCase.assertTrue( comp30.m_multiRef.isEmpty() );

        // 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 );
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    {
        final Component component = findComponentByName( "test_required_single_static" );
        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.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );

        srv1.drop();
        delay(); // async reactivate

        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.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );

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

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

        // enable component with two services available, 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
        srv2.drop();
        delay(); // async reactivate

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( 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" );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp22 );
        TestCase.assertSame( comp21, 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.assertNotSame( comp20, comp23 );
        TestCase.assertSame( comp21, comp23 );
        TestCase.assertSame( comp22, 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( comp23, comp30 );
        TestCase.assertEquals( srv6, comp30.m_singleRef );
        TestCase.assertTrue( comp30.m_multiRef.isEmpty() );

        // 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 );
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    {
        final Component component = findComponentByName( "test_optional_multiple_static" );
        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();
        delay(); // async reactivate

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp11 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( 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.assertNotSame( comp10, comp12 );
        TestCase.assertSame( comp11, comp12 );
        TestCase.assertNull( comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );

        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.assertNotSame( comp11, comp20 );
        TestCase.assertNotSame( comp12, comp20 );
        TestCase.assertNull( comp20.m_singleRef );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );

        srv2.drop();
        delay(); // async reactivate

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

        // create srv4, expect not bind (static case)
        final SimpleServiceImpl srv4 = SimpleServiceImpl.create( bundleContext, "srv4" );
        delay();

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp22 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( comp20, comp22 );
        TestCase.assertSame( comp21, comp22 );
        TestCase.assertNull( comp22.m_singleRef );
        TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
        TestCase.assertFalse( 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.assertNotSame( comp20, comp23 );
        TestCase.assertSame( comp21, comp23 );
        TestCase.assertSame( comp22, 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( comp23, 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 );
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    {
        final Component component = findComponentByName( "test_required_multiple_static" );
        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();
        delay(); // async reactivate

        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.assertNotSame( comp12, comp20 );
        TestCase.assertNull( comp20.m_singleRef );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp20.m_multiRef.contains( srv3 ) );

        srv2.drop();
        delay(); // async reactivate

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent comp21 = SimpleComponent.INSTANCE;
        TestCase.assertNotSame( 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.assertNotSame( comp20, comp22 );
        TestCase.assertSame( comp21, comp22 );
        TestCase.assertNull( comp22.m_singleRef );
        TestCase.assertFalse( comp22.m_multiRef.contains( srv2 ) );
        TestCase.assertTrue( comp22.m_multiRef.contains( srv3 ) );
        TestCase.assertFalse( 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.assertNotSame( comp20, comp23 );
        TestCase.assertSame( comp21, comp23 );
        TestCase.assertSame( comp22, 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( comp23, 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 );
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    {
        final Component component = findComponentByName( "test_multi_service_bind_unbind_order" );
        TestCase.assertNotNull( component );
        TestCase.assertEquals( Component.STATE_DISABLED, component.getState() );

        final SimpleServiceImpl srv1 = SimpleServiceImpl.create( bundleContext, "srv1" );
        final SimpleService2Impl srv2 = SimpleService2Impl.create( bundleContext, "srv2" );

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

        TestCase.assertEquals( Component.STATE_ACTIVE, component.getState() );
        final SimpleComponent2 comp10 = SimpleComponent2.INSTANCE;
        TestCase.assertNotNull( comp10 );
        TestCase.assertEquals( 2, comp10.getBindings().size() );
        TestCase.assertEquals( "bindSimpleService", comp10.getBindings().get( 0 ) );
        TestCase.assertEquals( "bindSimpleService2", comp10.getBindings().get( 1 ) );

        component.disable();
        delay();

        TestCase.assertEquals( 4, comp10.getBindings().size() );
        TestCase.assertEquals( "bindSimpleService", comp10.getBindings().get( 0 ) );
        TestCase.assertEquals( "bindSimpleService2", comp10.getBindings().get( 1 ) );
        TestCase.assertEquals( "unbindSimpleService2", comp10.getBindings().get( 2 ) );
        TestCase.assertEquals( "unbindSimpleService", comp10.getBindings().get( 3 ) );

        srv1.drop();
        srv2.drop();
    }
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    {
        final Component component = findComponentByName( "test_optional_single_dynamic_target" );
        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.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp10.m_singleRefBind );
        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);

        // update a service property
        srv1.update( "srv1-modified" );

        // no changes in bindings expected
        TestCase.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp10.m_singleRefBind );
        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);

        // set target to not match any more
        srv1.setFilterProperty( "don't match" );

        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() );
        TestCase.assertEquals( 1, comp10.m_singleRefBind );
        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);

        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.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
        TestCase.assertEquals( 2, comp10.m_singleRefBind );
        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);

        // make srv1 match again, expect not changes in bindings
        srv1.setFilterProperty( "match" );
        TestCase.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
        TestCase.assertEquals( 2, comp10.m_singleRefBind );
        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);

        // make srv2 to not match, expect binding to srv1
        srv2.setFilterProperty( "don't match" );
        TestCase.assertEquals( srv1, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
        TestCase.assertEquals( 3, comp10.m_singleRefBind );
        TestCase.assertEquals( 2, comp10.m_singleRefUnbind);
    }
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    {
        final Component component = findComponentByName( "test_required_single_dynamic_target" );
        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.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp10.m_singleRefBind );
        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);

        // update a service property
        srv1.update( "srv1-modified" );

        // no changes in bindings expected
        TestCase.assertEquals( srv1, comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp10.m_singleRefBind );
        TestCase.assertEquals( 0, comp10.m_singleRefUnbind);

        // set target to not match any more -> deactivate this component
        srv1.setFilterProperty( "don't match" );
        TestCase.assertEquals( Component.STATE_UNSATISFIED, component.getState() );
        TestCase.assertNull( SimpleComponent.INSTANCE );
        TestCase.assertNull( comp10.m_singleRef );
        TestCase.assertTrue( comp10.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp10.m_singleRefBind );
        TestCase.assertEquals( 1, comp10.m_singleRefUnbind);

        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.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp12.m_singleRefBind );
        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);

        // make srv1 match again, expect not changes in bindings
        srv1.setFilterProperty( "match" );
        TestCase.assertEquals( srv2, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
        TestCase.assertEquals( 1, comp12.m_singleRefBind );
        TestCase.assertEquals( 0, comp12.m_singleRefUnbind);

        // make srv2 to not match, expect binding to srv1
        srv2.setFilterProperty( "don't match" );
        TestCase.assertEquals( srv1, comp12.m_singleRef );
        TestCase.assertTrue( comp12.m_multiRef.isEmpty() );
        TestCase.assertEquals( 2, comp12.m_singleRefBind );
        TestCase.assertEquals( 1, comp12.m_singleRefUnbind);
    }
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Related Classes of org.apache.felix.scr.integration.components.SimpleServiceImpl

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