Examples of org.picocontainer.MutablePicoContainer

org.picocontainer.MutablePicoContainer
This is the core interface used for registration of components with a container. It is possible to register {@link #registerComponentImplementation(Object,Class) an implementation class}, {@link #registerComponentInstance(Object) aninstance} or {@link #registerComponent(ComponentAdapter) a ComponentAdapter}. @author Paul Hammant @author Aslak Hellesøy @author Jon Tirsén @version $Revision: 1800 $ @see See package description for basic overview how to use PicoContainer. @since 1.0

    }


    @Test
    public void assertThatStepsCanBeCreated() throws NoSuchFieldException, IllegalAccessException {
        // Given
        MutablePicoContainer parent = createPicoContainer();
        parent.as(Characteristics.USE_NAMES).addComponent(FooSteps.class);
        PicoStepsFactory factory = new PicoStepsFactory(new MostUsefulConfiguration(), parent);
        // When
        List<CandidateSteps> steps = factory.createCandidateSteps();
        // Then 
        assertFooStepsFound(steps);

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        PicoContainer container = createPicoContainer();
        return new PicoStepsFactory(configuration(), container);
    }


    private PicoContainer createPicoContainer() {
        MutablePicoContainer container = new DefaultPicoContainer(new Caching().wrap(new ConstructorInjection()));
        container.addComponent(MySteps.class);
        return container;
    }

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    public InjectableStepsFactory stepsFactory() {
        return new PicoStepsFactory(configuration(), createPicoContainer());
    }


    private PicoContainer createPicoContainer() {
        MutablePicoContainer container = new DefaultPicoContainer(new Caching().wrap(new ConstructorInjection()));
        container.addComponent(TradingService.class);
        container.addComponent(TraderSteps.class);
        container.addComponent(BeforeAfterSteps.class);
        container.addComponent(AndSteps.class);
        container.addComponent(CalendarSteps.class);
        container.addComponent(PendingSteps.class);
        container.addComponent(PriorityMatchingSteps.class);
        container.addComponent(SandpitSteps.class);
        container.addComponent(SearchSteps.class);
        return container;
    }

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    }




    @Test
    public void assertThatStepsWithStepsWithDependencyCanBeCreated() throws NoSuchFieldException, IllegalAccessException {
        MutablePicoContainer parent = createPicoContainer();
        parent.as(Characteristics.USE_NAMES).addComponent(FooStepsWithDependency.class);
        parent.addComponent(Integer.class, 42);
        // When
        PicoStepsFactory factory = new PicoStepsFactory(new MostUsefulConfiguration(), parent);
        List<CandidateSteps> steps = factory.createCandidateSteps();
        // Then
        assertFooStepsFound(steps);

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        return ((Steps)candidateSteps).instance();
    }


    @Test(expected=AbstractInjector.UnsatisfiableDependenciesException.class)
    public void assertThatStepsWithMissingDependenciesCannotBeCreated() throws NoSuchFieldException, IllegalAccessException {
        MutablePicoContainer parent = createPicoContainer();
        parent.as(Characteristics.USE_NAMES).addComponent(FooStepsWithDependency.class);
        PicoStepsFactory factory = new PicoStepsFactory(new MostUsefulConfiguration(), parent);
        // When
        factory.createInstanceOfType(FooStepsWithDependency.class);
        // Then ... expected exception is thrown        
    }

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        if ( container != null ){
            return container;
        }
        @SuppressWarnings("rawtypes")
        Class containerClass = annotationFinder().getAnnotatedValue(UsingPico.class, Class.class, "container");
        MutablePicoContainer container = instanceOf(MutablePicoContainer.class, containerClass);
        for (PicoModule module : modules) {
            module.configure(container);
        }
        return container;
    }

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   public ComponentAdapter registerComponentInstance(Object componentKey, Object componentInstance)
      throws PicoRegistrationException
   {
      if (componentInstance instanceof MutablePicoContainer)
      {
         MutablePicoContainer pc = (MutablePicoContainer)componentInstance;
         Object contrivedKey = new Object();
         String contrivedComp = "";
         pc.registerComponentInstance(contrivedKey, contrivedComp);
         try
         {
            if (this.getComponentInstance(contrivedKey) != null)
            {
               throw new PicoRegistrationException(
                  "Cannot register a container to itself. The container is already implicitly registered.");
            }
         }
         finally
         {
            pc.unregisterComponent(contrivedKey);
         }


      }
      ComponentAdapter componentAdapter = new InstanceComponentAdapter(componentKey, componentInstance);
      registerComponent(componentAdapter);

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   public ComponentAdapter registerComponentInstance(Object componentKey, Object componentInstance)
      throws PicoRegistrationException
   {
      if (componentInstance instanceof MutablePicoContainer)
      {
         MutablePicoContainer pc = (MutablePicoContainer)componentInstance;
         Object contrivedKey = new Object();
         String contrivedComp = "";
         pc.registerComponentInstance(contrivedKey, contrivedComp);
         try
         {
            if (this.getComponentInstance(contrivedKey) != null)
            {
               throw new PicoRegistrationException(
                  "Cannot register a container to itself. The container is already implicitly registered.");
            }
         }
         finally
         {
            pc.unregisterComponent(contrivedKey);
         }


      }
      ComponentAdapter componentAdapter = new InstanceComponentAdapter(componentKey, componentInstance);
      registerComponent(componentAdapter);

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   public ComponentAdapter registerComponentInstance(Object componentKey, Object componentInstance)
      throws PicoRegistrationException
   {
      if (componentInstance instanceof MutablePicoContainer)
      {
         MutablePicoContainer pc = (MutablePicoContainer)componentInstance;
         Object contrivedKey = new Object();
         String contrivedComp = "";
         pc.registerComponentInstance(contrivedKey, contrivedComp);
         try
         {
            if (this.getComponentInstance(contrivedKey) != null)
            {
               throw new PicoRegistrationException(
                  "Cannot register a container to itself. The container is already implicitly registered.");
            }
         }
         finally
         {
            pc.unregisterComponent(contrivedKey);
         }


      }
      ComponentAdapter componentAdapter = new InstanceComponentAdapter(componentKey, componentInstance);
      registerComponent(componentAdapter);

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        return newContainerForProxy(false);
    }


    protected MutablePicoContainer newContainerForTypedProxy(final String supportedInterface)
    {
        final MutablePicoContainer _container = newContainerForNotifyStyleProxy();


        final IAdmin _admin = (IAdmin) _container.getComponentInstanceOfType(IAdmin.class);


        final ITypedAdmin _typedAdmin = new ITypedAdminImpl(_admin, _container, supportedInterface);


        _container.registerComponentInstance(ITypedAdmin.class, _typedAdmin);


        return _container;
    }

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