Examples of org.apache.tapestry5.ioc.def.ServiceDef2

org.apache.tapestry5.ioc.internal.services.CtClassSourceImpl
Extension to {@link org.apache.tapestry5.ioc.def.ServiceDef} containing new methods added for Tapestry 5.1.


            Set<ServiceDef2> moduleServiceDefs = CollectionFactory.newSet();


            for (String serviceId : def.getServiceIds())
            {
                ServiceDef2 serviceDef = module.getServiceDef(serviceId);


                moduleServiceDefs.add(serviceDef);
                allServiceDefs.add(serviceDef);


                Module existing = serviceIdToModule.get(serviceId);


                if (existing != null)
                    throw new RuntimeException(IOCMessages.serviceIdConflict(serviceId,
                            existing.getServiceDef(serviceId), serviceDef));


                serviceIdToModule.put(serviceId, module);


                // The service is defined but will not have gone further than that.
                tracker.define(serviceDef, Status.DEFINED);


                for (Class marker : serviceDef.getMarkers())
                    InternalUtils.addToMapList(markerToServiceDef, marker, serviceDef);
            }


            moduleToServiceDefs.put(module, moduleServiceDefs);
        }

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        builtinServices.put(serviceId, service);


        // Make sure each of the builtin services is also available via the Builtin annotation
        // marker.


        ServiceDef2 serviceDef = new ServiceDef2()
        {
            public ObjectCreator createServiceCreator(ServiceBuilderResources resources)
            {
                return null;
            }


            public Set<Class> getMarkers()
            {
                return BUILTIN;
            }


            public String getServiceId()
            {
                return serviceId;
            }


            public Class getServiceInterface()
            {
                return serviceInterface;
            }


            public String getServiceScope()
            {
                return ScopeConstants.DEFAULT;
            }


            public boolean isEagerLoad()
            {
                return false;
            }


            public boolean isPreventDecoration()
            {
                return true;
            }
        };


        for (Class marker : serviceDef.getMarkers())
        {
            InternalUtils.addToMapList(markerToServiceDef, marker, serviceDef);
            allServiceDefs.add(serviceDef);
        }

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        for (String id : moduleDef.getServiceIds())
        {
            ServiceDef sd = moduleDef.getServiceDef(id);


            ServiceDef2 sd2 = InternalUtils.toServiceDef2(sd);


            serviceDefs.put(id, sd2);
        }
    }

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    public <T> T getService(String serviceId, Class<T> serviceInterface)
    {
        assert InternalUtils.isNonBlank(serviceId);
        assert serviceInterface != null;
        ServiceDef2 def = getServiceDef(serviceId);


        // RegistryImpl should already have checked that the service exists.
        assert def != null;


        Object service = findOrCreate(def, null);


        try
        {
            return serviceInterface.cast(service);
        }
        catch (ClassCastException ex)
        {
            // This may be overkill: I don't know how this could happen
            // given that the return type of the method determines
            // the service interface.


            throw new RuntimeException(IOCMessages.serviceWrongInterface(serviceId, def.getServiceInterface(),
                    serviceInterface));
        }
    }

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    public static ServiceDef2 toServiceDef2(final ServiceDef sd)
    {
        if (sd instanceof ServiceDef2)
            return (ServiceDef2) sd;


        return new ServiceDef2()
        {
            public boolean isPreventDecoration()
            {
                return false;
            }

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            }
        };


        replay();


        ServiceDef2 sd2 = InternalUtils.toServiceDef2(sd);


        assertSame(sd2.createServiceCreator(null), oc);
        assertSame(sd2.getServiceId(), serviceId);
        assertSame(sd2.getMarkers(), markers);
        assertSame(sd2.getServiceInterface(), serviceInterface);
        assertSame(sd2.getServiceScope(), ScopeConstants.PERTHREAD);
        assertTrue(sd2.isEagerLoad());
        assertFalse(sd2.isPreventDecoration());


        verify();
    }

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            }
        };


        replay();


        ServiceDef2 sd2 = InternalUtils.toServiceDef2(sd);


        assertSame(sd2.createServiceCreator(null), oc);
        assertSame(sd2.getServiceId(), serviceId);
        assertSame(sd2.getMarkers(), markers);
        assertSame(sd2.getServiceInterface(), serviceInterface);
        assertSame(sd2.getServiceScope(), ScopeConstants.PERTHREAD);
        assertTrue(sd2.isEagerLoad());
        assertFalse(sd2.isPreventDecoration());


        verify();
    }

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     * Invoked at object creation, or when there are updates to class files (i.e., invalidation), to create a new set of
     * Javassist class pools and loaders.
     */
    private void initializeService()
    {
        ClassFactoryClassPool classPool = new ClassFactoryClassPool(parent);


        // For TAPESTRY-2561, we're introducing a class loader between the parent (i.e., the
        // context class loader), and the component class loader, to try and prevent the deadlocks
        // that we've been seeing.


        ClassLoader threadDeadlockBuffer = new URLClassLoader(new URL[0], parent);


        loader = new PackageAwareLoader(threadDeadlockBuffer, classPool);


        ClassPath path = new LoaderClassPath(loader);


        classPool.appendClassPath(path);


        classSource = new CtClassSourceImpl(classPool, loader);


        try
        {

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        catch (Exception ex)
        {
            throw new RuntimeException(ex);
        }


        classFactory = new ClassFactoryImpl(loader, classPool, classSource, logger);


        classToPriorTransformException.clear();
    }

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        ClassPath path = new LoaderClassPath(loader);


        classPool.appendClassPath(path);


        classSource = new CtClassSourceImpl(classPool, loader);


        try
        {
            loader.addTranslator(classPool, this);
        }

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