Examples of org.jboss.cache.factories.ComponentRegistry

org.jboss.cache.factories.ComponentRegistry
A registry where components which have been created are stored. Components are stored as singletons, registered under a specific name.
Components can be retrieved from the registry using {@link #getComponent(Class)}.
Components can be registered using {@link #registerComponent(Object,Class)}, which will cause any dependencies to be wired in as well. Components that need to be created as a result of wiring will be done using {@link #getOrCreateComponent(Class)}, which will look up the default factory for the component type (factories annotated with the appropriate {@link DefaultFactoryFor} annotation.
Default factories are treated as components too and will need to be wired before being used.
The registry can exist in one of several states, as defined by the {@link CacheStatus} enumeration. In terms of the cache,state changes in the following manner:
- INSTANTIATED - when first constructed
- CONSTRUCTED - when created using the DefaultCacheFactory
- When {@link org.jboss.cache.Cache#create()} is called, the components are rewired.
- STARTED - when {@link org.jboss.cache.Cache#start()} is called
- STOPPED - when {@link org.jboss.cache.Cache#stop()} is called
- DESTROYED - when {@link org.jboss.cache.Cache#destroy()} is called.
Cache configuration can only be changed and will only be reinjected if the cache is not in the {@link org.jboss.cache.CacheStatus#STARTED} state. @author Manik Surtani (manik AT jboss DOT org) @since 2.1.0

   {
      Pojo pojo = new Pojo();
      MarshalledValue mv = new MarshalledValue(pojo);


      Configuration c = new Configuration();
      ComponentRegistry cr = new ComponentRegistry(c, new CacheInvocationDelegate());


      Marshaller marshaller = new CacheMarshaller210();
      cr.registerComponent(marshaller, Marshaller.class);


      // Wire the marshaller
      cr.start();


      // start the test
      ByteArrayOutputStream bout = new ByteArrayOutputStream();
      ObjectOutputStream out = new ObjectOutputStream(bout);
      marshaller.objectToObjectStream(mv, out);

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      threadLocal.set(tl);
      tl.c = new Configuration();
      tl.c.setUseRegionBasedMarshalling(false);
      tl.c.setInactiveOnStartup(false);
      tl.c.setReplVersionString(currentVersion);
      ComponentRegistry cr = new ComponentRegistry(tl.c, new CacheInvocationDelegate());
      crTL.set(cr);
      tl.marshaller = createVAMandRestartCache(new RegionManagerImpl());
      tl.regionManager = cr.getComponent(RegionManager.class);
   }

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    * @param cache       cache that needs to be altered
    * @param interceptor the first interceptor in the new chain.
    */
   public static void replaceInterceptorChain(CacheSPI<?, ?> cache, CommandInterceptor interceptor)
   {
      ComponentRegistry cr = extractComponentRegistry(cache);
      // make sure all interceptors here are wired.
      CommandInterceptor i = interceptor;
      do
      {
         cr.wireDependencies(i);
      }
      while ((i = i.getNext()) != null);


      InterceptorChain inch = cr.getComponent(InterceptorChain.class);
      inch.setFirstInChain(interceptor);
   }

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    * @param cache cache instance for which a remote delegate is to be retrieved
    * @return remote delegate, or null if the cacge is not configured for replication.
    */
   public static CacheInvocationDelegate getInvocationDelegate(CacheSPI cache)
   {
      ComponentRegistry cr = extractComponentRegistry(cache);
      return cr.getComponent(CacheInvocationDelegate.class);
   }

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      throw new RuntimeException("Timed out waiting for condition");
   }


   public static void replicateCommand(CacheSPI cache, VisitableCommand command) throws Throwable
   {
      ComponentRegistry cr = extractComponentRegistry(cache);
      InterceptorChain ic = cr.getComponent(InterceptorChain.class);
      ic.invoke(command);
   }

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//      RegionManager rm = new RegionManager();
      final CacheMarshaller200 cm200 = new CacheMarshaller200();
      c.setInactiveOnStartup(false);
      c.setUseRegionBasedMarshalling(true);
      c.setCacheMarshaller(cm200);
      ComponentRegistry cr = crTL.get();      
      cr.registerComponent(cm200, CacheMarshaller200.class);
      cr.rewire();
      cr.start();


      RegionManager rm = cr.getComponent(RegionManager.class);
      ByteArrayOutputStream baos = new ByteArrayOutputStream();
      ObjectOutputStream oos = new ObjectOutputStream(baos);
      final Fqn region = Fqn.fromString("/hello");
      Region r = rm.getRegion(region, true);
      r.registerContextClassLoader(this.getClass().getClassLoader());

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      RPCManager rpcManager = EasyMock.createNiceMock(RPCManager.class);


      List<Address> memberList = rpcManager1.getMembers();
      expect(rpcManager.getMembers()).andReturn(memberList).anyTimes();
      // inject a mock RPC manager so that we can test whether calls made are sync or async.
      ComponentRegistry cr = TestingUtil.extractComponentRegistry(cache1);
      cr.registerComponent(rpcManager, RPCManager.class);
      cr.rewire();


      // invalidations will not trigger any rpc calls for PFER
      if (!isUsingInvalidation())
      {
         // specify what we expectWithTx called on the mock Rpc Manager.  For params we don't care about, just use ANYTHING.

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    * @param cache       cache that needs to be altered
    * @param interceptor the first interceptor in the new chain.
    */
   public static void replaceInterceptorChain(CacheSPI<?, ?> cache, CommandInterceptor interceptor)
   {
      ComponentRegistry cr = extractComponentRegistry(cache);
      // make sure all interceptors here are wired.
      CommandInterceptor i = interceptor;
      do
      {
         cr.wireDependencies(i);
      }
      while ((i = i.getNext()) != null);


      InterceptorChain inch = cr.getComponent(InterceptorChain.class);
      inch.setFirstInChain(interceptor);
   }

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    * @param cache cache instance for which a remote delegate is to be retrieved
    * @return remote delegate, or null if the cacge is not configured for replication.
    */
   public static CacheInvocationDelegate getInvocationDelegate(CacheSPI cache)
   {
      ComponentRegistry cr = extractComponentRegistry(cache);
      return cr.getComponent(CacheInvocationDelegate.class);
   }

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      throw new RuntimeException("Timed out waiting for condition");
   }


   public static void replicateCommand(CacheSPI cache, VisitableCommand command) throws Throwable
   {
      ComponentRegistry cr = extractComponentRegistry(cache);
      InterceptorChain ic = cr.getComponent(InterceptorChain.class);
      ic.invoke(command);
   }

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