Package org.apache.felix.ipojo.handlers.dependency

Examples of org.apache.felix.ipojo.handlers.dependency.DependencyHandlerDescription

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            HandlerDescription hd) throws JSONException {
        if (hd == null) {
            return null;
        }
        JSONArray array = new JSONArray();
        DependencyHandlerDescription desc = (DependencyHandlerDescription) hd;
        for (DependencyDescription dep : desc.getDependencies()) {
            JSONObject req = new JSONObject();
            req.put("specification",dep.getSpecification());
            req.put("id", dep.getId());
            req.put("state", StateUtils.getDependencyState(dep.getState()));
            req.put("policy", StateUtils.getDependencyBindingPolicy(dep.getPolicy()));
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            HandlerDescription hd) throws JSONException {
        if (hd == null) {
            return null;
        }
        JSONArray array = new JSONArray();
        DependencyHandlerDescription desc = (DependencyHandlerDescription) hd;
        for (DependencyDescription dep : desc.getDependencies()) {
            JSONObject req = new JSONObject();
            req.put("specification",dep.getSpecification());
            req.put("id", dep.getId());
            req.put("state", StateUtils.getDependencyState(dep.getState()));
            req.put("policy", StateUtils.getDependencyBindingPolicy(dep.getPolicy()));
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        Architecture arch = (Architecture) osgi.getServiceObject(refv1);

        HandlerDescription desc = arch.getInstanceDescription().getHandlerDescription("org.apache.felix.ipojo:requires");
        Assert.assertNotNull(desc);

        DependencyHandlerDescription d = (DependencyHandlerDescription) desc;
        Assert.assertNotNull(d.getDependencies());
        Assert.assertEquals(1, d.getDependencies().length);

        DependencyDescription dep = d.getDependencies()[0];
        Assert.assertEquals(Dependency.RESOLVED, dep.getState());

        Assert.assertEquals(1, dep.getServiceReferences().size());
        ServiceReference r = (ServiceReference) dep.getServiceReferences().get(0);
        Assert.assertEquals("provider", r.getProperty("factory.name"));
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        Architecture arch = (Architecture) osgi.getServiceObject(refv1);

        HandlerDescription desc = arch.getInstanceDescription().getHandlerDescription("org.apache.felix.ipojo:requires");
        Assert.assertNotNull(desc);

        DependencyHandlerDescription d = (DependencyHandlerDescription) desc;
        Assert.assertNotNull(d.getDependencies());
        Assert.assertEquals(1, d.getDependencies().length);

        DependencyDescription dep = d.getDependencies()[0];
        Assert.assertEquals(Dependency.RESOLVED, dep.getState());

        Assert.assertEquals(1, dep.getServiceReferences().size());
        ServiceReference r = (ServiceReference) dep.getServiceReferences().get(0);
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        fooProvider1 = null;
        fooProvider2 = null;
    }
   
    private DependencyHandlerDescription getDependencyDesc(InstanceDescription id) {
        DependencyHandlerDescription handler = (DependencyHandlerDescription) id.getHandlerDescription("org.apache.felix.ipojo:requires");
        if (handler == null) {
            fail("Dependency Handler not found");
            return null;
        } else {
            return handler;
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        assertNotNull("Check architecture availability", arch_dep);
        PrimitiveInstanceDescription id_dep = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_dep.getState() == ComponentInstance.INVALID);
       
        // Check dependency handler invalidity
        DependencyHandlerDescription dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        // Check dependency metadata
        assertEquals("Check dependency interface", dhd.getDependencies()[0].getInterface(), FooService.class.getName());
        assertEquals("Check dependency id", dhd.getDependencies()[0].getId(), FooService.class.getName());
        assertFalse("Check dependency cardinality", dhd.getDependencies()[0].isMultiple());
        assertFalse("Check dependency optionality", dhd.getDependencies()[0].isOptional());
        assertNull("Check dependency ref -1", dhd.getDependencies()[0].getServiceReferences());
        assertFalse("Check dependency proxy", dhd.getDependencies()[0].isProxy());

        fooProvider1.start();
       
        ServiceReference arch_ps = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps);
        PrimitiveInstanceDescription id_ps = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps.getState() == ComponentInstance.VALID);       
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler validity", dhd.isValid());
        assertEquals("Check dependency ref - 2 ", dhd.getDependencies()[0].getServiceReferences().size(), 1);
       
        ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        ProvidedServiceHandlerDescription psh = getPSDesc(id_ps);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertEquals("Check POJO creation", id_ps.getCreatedObjects().length, 1);
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.INVALID);
        dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        fooProvider1.start();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        arch_ps = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps.getState() == ComponentInstance.VALID);
        psh = getPSDesc(id_ps);
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        assertTrue("Check dependency handler validity", dhd.isValid());
       
        assertEquals("Check dependency ref -3", dhd.getDependencies()[0].getServiceReferences().size(), 1);
       
        cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance1.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        psh = getPSDesc(id_ps);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.INVALID);
        dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        id_dep = null;
        cs = null;
        getContext().ungetService(arch_dep);
        getContext().ungetService(cs_ref);
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        assertNotNull("Check architecture availability", arch_dep);
        PrimitiveInstanceDescription id_dep = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_dep.getState() == ComponentInstance.INVALID);
       
        // Check dependency handler invalidity
        DependencyHandlerDescription dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        // Check dependency metadata
        assertEquals("Check dependency interface", dhd.getDependencies()[0].getInterface(), FooService.class.getName());
        assertEquals("Check dependency id", dhd.getDependencies()[0].getId(), FooService.class.getName());
        assertFalse("Check dependency cardinality", dhd.getDependencies()[0].isMultiple());
        assertFalse("Check dependency optionality", dhd.getDependencies()[0].isOptional());
        assertNull("Check dependency ref -1", dhd.getDependencies()[0].getServiceReferences());
        assertTrue("Check dependency proxy", dhd.getDependencies()[0].isProxy());
       
        fooProvider1.start();
       
        ServiceReference arch_ps = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps);
        PrimitiveInstanceDescription id_ps = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps.getState() == ComponentInstance.VALID);              
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler validity", dhd.isValid());
        assertEquals("Check dependency ref - 2 ", dhd.getDependencies()[0].getServiceReferences().size(), 1);
       
        ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance5.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        ProvidedServiceHandlerDescription psh = getPSDesc(id_ps);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertEquals("Check POJO creation", id_ps.getCreatedObjects().length, 1);
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.INVALID);
        dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        fooProvider1.start();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        arch_ps = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps.getState() == ComponentInstance.VALID);
        psh = getPSDesc(id_ps);
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        assertTrue("Check dependency handler validity", dhd.isValid());
       
        assertEquals("Check dependency ref -3", dhd.getDependencies()[0].getServiceReferences().size(), 1);
       
        cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance5.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        psh = getPSDesc(id_ps);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.INVALID);
        dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        id_dep = null;
        cs = null;
        getContext().ungetService(arch_dep);
        getContext().ungetService(cs_ref);
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        assertNotNull("Check architecture availability", arch_dep);
        PrimitiveInstanceDescription id_dep = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_dep.getState() == ComponentInstance.VALID);
       
        // Check dependency handler invalidity
        DependencyHandlerDescription dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler invalidity", dhd.isValid());
       
        // Check dependency metadata
        assertEquals("Check dependency interface", dhd.getDependencies()[0].getInterface(), FooService.class.getName());
        assertEquals("Check dependency id", dhd.getDependencies()[0].getId(), "FooService");
        assertFalse("Check dependency cardinality", dhd.getDependencies()[0].isMultiple());
        assertTrue("Check dependency optionality", dhd.getDependencies()[0].isOptional());
        assertNull("Check dependency ref -1", dhd.getDependencies()[0].getServiceReferences());
       
        fooProvider1.start();
       
        ServiceReference arch_ps = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps);
        PrimitiveInstanceDescription id_ps = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps.getState() == ComponentInstance.VALID);       
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler validity", dhd.isValid());
        assertEquals("Check dependency ref - 2 ", dhd.getDependencies()[0].getServiceReferences().size(), 1);
       
        ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        ProvidedServiceHandlerDescription psh = getPSDesc(id_ps);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertEquals("Check POJO creation", id_ps.getCreatedObjects().length, 1);
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler invalidity", dhd.isValid());
       
        fooProvider1.start();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        arch_ps = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps.getState() == ComponentInstance.VALID);
        psh = getPSDesc(id_ps);
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        assertTrue("Check dependency handler validity", dhd.isValid());
       
        assertEquals("Check dependency ref -3", dhd.getDependencies()[0].getServiceReferences().size(), 1);
       
        cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance2.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps = ((Architecture) getContext().getService(arch_ps)).getInstanceDescription();
        psh = getPSDesc(id_ps);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler invalidity", dhd.isValid());
       
        id_dep = null;
        cs = null;
        getContext().ungetService(arch_dep);
        getContext().ungetService(cs_ref);
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        assertNotNull("Check architecture availability", arch_dep);
        PrimitiveInstanceDescription id_dep = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_dep.getState() == ComponentInstance.INVALID);
       
        // Check dependency handler invalidity
        DependencyHandlerDescription dhd = getDependencyDesc(id_dep);
        DependencyDescription dd = getDependencyDescBySpecification(id_dep, FooService.class.getName());
        assertFalse("Check dependency handler invalidity", dhd.isValid());
        assertTrue("Check dependency invalidity", dd.getState() == Dependency.UNRESOLVED);

       
        // Check dependency metadata
        assertEquals("Check dependency interface", dhd.getDependencies()[0].getInterface(), FooService.class.getName());
        assertTrue("Check dependency cardinality", dhd.getDependencies()[0].isMultiple());
        assertFalse("Check dependency optionality", dhd.getDependencies()[0].isOptional());
        assertNull("Check dependency ref -1", dhd.getDependencies()[0].getServiceReferences());
       
        assertEquals("Check dependency interface", dd.getSpecification(), FooService.class.getName());
        assertTrue("Check dependency cardinality", dd.isMultiple());
        assertFalse("Check dependency optionality", dd.isOptional());
        assertNull("Check dependency ref -1", dd.getServiceReferences());
        assertFalse("Check dependency proxy", dhd.getDependencies()[0].isProxy());

        fooProvider1.start();
       
        ServiceReference arch_ps1 = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps1);
        PrimitiveInstanceDescription id_ps1 = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id_ps1.getState() == ComponentInstance.VALID);       
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler validity", dhd.isValid());
        assertEquals("Check dependency ref - 2 ", dhd.getDependencies()[0].getServiceReferences().size(), 1);
        assertEquals("Check used ref - 1 (" + dhd.getDependencies()[0].getUsedServices().size() + ")", dhd.getDependencies()[0].getUsedServices().size(), 0);
       
        ServiceReference cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        CheckService cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        ProvidedServiceHandlerDescription psh = getPSDesc(id_ps1);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertEquals("Check POJO creation", id_ps1.getCreatedObjects().length, 1);
        assertTrue("Check service reference - 2", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
       
        // Start a second foo service provider
        fooProvider2.start();
       
        arch_ps1 = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        ServiceReference arch_ps2 = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider2.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps1);
        assertNotNull("Check architecture 2 availability", arch_ps2);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        PrimitiveInstanceDescription id_ps2 = (PrimitiveInstanceDescription) ((Architecture) getContext().getService(arch_ps2)).getInstanceDescription();
        assertTrue("Check instance invalidity - 1", id_ps1.getState() == ComponentInstance.VALID);
        assertTrue("Check instance 2 invalidity - 1", id_ps2.getState() == ComponentInstance.VALID);
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler validity", dhd.isValid());
        assertEquals("Check dependency ref - 3 ", dhd.getDependencies()[0].getServiceReferences().size(), 2);
        assertEquals("Check used ref - 2 ", dhd.getDependencies()[0].getUsedServices().size(), 1); // provider 2 not already used
       
        cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        //id_ps2 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        ProvidedServiceHandlerDescription psh1 = getPSDesc(id_ps1);
        ProvidedServiceHandlerDescription psh2 = getPSDesc(id_ps2);
        assertEquals("Check POJO creation", id_ps1.getCreatedObjects().length, 1);
        assertEquals("Check POJO creation", id_ps2.getCreatedObjects().length, 1);
        assertTrue("Check service reference - 3.1", dhd.getDependencies()[0].getUsedServices().contains(psh1.getProvidedServices()[0].getServiceReference()));
        assertTrue("Check service reference - 3.2", dhd.getDependencies()[0].getUsedServices().contains(psh2.getProvidedServices()[0].getServiceReference()));
        assertEquals("Check used ref - 3 ("+dhd.getDependencies()[0].getUsedServices().size()+")", dhd.getDependencies()[0].getUsedServices().size(), 2);
       
        fooProvider2.stop();
       
        arch_ps1 = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider1.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps1);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        assertTrue("Check instance validity - 1", id_ps1.getState() == ComponentInstance.VALID);       
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertTrue("Check dependency handler validity", dhd.isValid());
        assertEquals("Check dependency ref - 2 ", dhd.getDependencies()[0].getServiceReferences().size(), 1);
        assertEquals("Check used ref - 4 ", dhd.getDependencies()[0].getUsedServices().size(), 1);
       
        cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        psh = getPSDesc(id_ps1);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertEquals("Check POJO creation", id_ps1.getCreatedObjects().length, 1);
        assertTrue("Check service reference - 1", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
        assertEquals("Check used ref - 5 ", dhd.getDependencies()[0].getUsedServices().size(), 1);
       
        fooProvider1.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertFalse("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        fooProvider2.start();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        arch_ps2 = Utils.getServiceReferenceByName(getContext(), Architecture.class.getName(), fooProvider2.getInstanceName());
        assertNotNull("Check architecture availability", arch_ps1);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
       
        assertTrue("Check instance invalidity - 1", id_ps2.getState() == ComponentInstance.VALID);
       
        psh = getPSDesc(id_ps2);
        assertTrue("Check instance validity", id_dep.getState() == ComponentInstance.VALID);
        assertTrue("Check dependency handler validity", dhd.isValid());
       
        assertEquals("Check dependency ref -3", dhd.getDependencies()[0].getServiceReferences().size(), 1);
        assertEquals("Check used ref - 6 ", dhd.getDependencies()[0].getUsedServices().size(), 0);
       
        cs_ref = Utils.getServiceReferenceByName(getContext(), CheckService.class.getName(), instance3.getInstanceName());
        assertNotNull("Check CheckService availability", cs_ref);
        cs = (CheckService) getContext().getService(cs_ref);
        assertTrue("check CheckService invocation", cs.check());
       
        // Check object graph
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        dhd = getDependencyDesc(id_dep);
        //id_ps1 = ((Architecture) getContext().getService(arch_ps1)).getInstanceDescription();
        psh = getPSDesc(id_ps2);
        assertEquals("Check Service Reference equality", psh.getProvidedServices()[0].getServiceReference(), dhd.getDependencies()[0].getServiceReference());
        assertTrue("Check service reference - 4", dhd.getDependencies()[0].getUsedServices().contains(psh.getProvidedServices()[0].getServiceReference()));
        assertEquals("Check used ref - 7 ", dhd.getDependencies()[0].getUsedServices().size(), 1);
       
        fooProvider2.stop();
       
        //id_dep = ((Architecture) getContext().getService(arch_dep)).getInstanceDescription();
        assertFalse("Check instance invalidity - 2", id_dep.getState() == ComponentInstance.VALID);
        dhd = getDependencyDesc(id_dep);
        assertFalse("Check dependency handler invalidity", dhd.isValid());
       
        id_dep = null;
        cs = null;
        getContext().ungetService(arch_dep);
        getContext().ungetService(cs_ref);
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    String factory = "org.apache.felix.ipojo.runtime.core.test.components.identification.ComponentWithCustomMethods";

    @Test
    public void testSetAndUnSetMethods() {
        ComponentInstance instance = ipojoHelper.createComponentInstance(factory);
        DependencyHandlerDescription dh = (DependencyHandlerDescription) instance.getInstanceDescription()
                .getHandlerDescription("org.apache.felix.ipojo:requires");

        DependencyDescription dd = findDependencyById(dh, "MyOtherService");
        assertThat(dd).isNotNull();
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