Examples of org.jboss.cache.RPCManager

org.jboss.cache.RPCManager
Provides a mechanism for communicating with other caches in the cluster. For now this is based on JGroups as an underlying transport, and in future more transport options may become available.
Implementations have a simple lifecycle:
- start() - starts the underlying channel based on configuration options injected, and connects the channel
- disconnect() - disconnects the channel
- stop() - stops the dispatcher and releases resources
@author Manik Surtani @since 2.1.0

   {
      assert replQ != null;
      assert replQ.elements.size() == 0 : "expected 0, recieved " + replQ.elements.size();


      // mock the RPCManager used in the cache
      RPCManager mockRpcManager = EasyMock.createStrictMock(RPCManager.class);
      injectRpcManager(mockRpcManager);


      // expect basic cluster related calls
      expect(mockRpcManager.getMembers()).andReturn(originalRpcManager.getMembers()).anyTimes();
      replay(mockRpcManager);


      // check that nothing on the RPCManager will be called until we hit the replication queue threshold.
      for (int i = 0; i < COUNT - 1; i++) cache.put("/a/b/c/" + i, "k", "v");
      assertEquals(replQ.elements.size(), COUNT - 1);


      // verify that no calls have been made on the mockRpcManager
      verify(mockRpcManager);


      // reset the mock
      reset(mockRpcManager);


      // now try the last PUT which should result in the queue being flushed.
      expect(mockRpcManager.getMembers()).andReturn(originalRpcManager.getMembers()).anyTimes();
      expect(mockRpcManager.callRemoteMethods((Vector<Address>) anyObject(), (ReplicableCommand) anyObject(), anyBoolean(), anyLong(), anyBoolean())).andReturn(Collections.emptyList()).anyTimes();
      replay(mockRpcManager);


      cache.put("/a/b/c/LAST", "k", "v");
      assert replQ.elements.size() == 0;

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      assert totalInvocations % COUNT == 0 : "NumThreads and NumLoopsPerThread must multiply to be a multiple of COUNT";


      final CountDownLatch latch = new CountDownLatch(1);


      // mock the RPCManager used in the cache
      RPCManager mockRpcManager = EasyMock.createStrictMock(RPCManager.class);
      injectRpcManager(mockRpcManager);


      // expect basic cluster related calls
      expect(mockRpcManager.getMembers()).andReturn(originalRpcManager.getMembers()).anyTimes();
      expect(mockRpcManager.callRemoteMethods((Vector<Address>) anyObject(), (ReplicableCommand) anyObject(), anyBoolean(), anyLong(), anyBoolean())).andReturn(Collections.emptyList()).anyTimes();
      replay(mockRpcManager);


      Thread[] threads = new Thread[numThreads];


      for (int i = 0; i < numThreads; i++)

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   public void testQueueHoldAndFlush() throws Exception
   {
      assert replQ != null;


      // mock the RPCManager used in the cache
      RPCManager mockRpcManager = EasyMock.createStrictMock(RPCManager.class);
      injectRpcManager(mockRpcManager);


      // expect basic cluster related calls
      expect(mockRpcManager.getMembers()).andReturn(originalRpcManager.getMembers()).anyTimes();
      replay(mockRpcManager);


      // check that nothing on the RPCManager will be called until we hit the replication queue threshold.
      for (int i = 0; i < COUNT - 1; i++) cache.put("/a/b/c/" + i, "k", "v");
      assert replQ.elements.size() == COUNT - 1;


      // verify that no calls have been made on the mockRpcManager
      verify(mockRpcManager);


      // reset the mock
      reset(mockRpcManager);


      // now try the last PUT which should result in the queue being flushed.
      expect(mockRpcManager.getMembers()).andReturn(originalRpcManager.getMembers()).anyTimes();
      expect(mockRpcManager.callRemoteMethods((Vector<Address>) anyObject(), (ReplicableCommand) anyObject(), anyBoolean(), anyLong(), anyBoolean())).andReturn(Collections.emptyList()).anyTimes();
      replay(mockRpcManager);


      cache.put("/a/b/c/LAST", "k", "v");
      assert replQ.elements.size() == 0;

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      assert totalInvocations % COUNT == 0 : "NumThreads and NumLoopsPerThread must multiply to be a multiple of COUNT";


      final CountDownLatch latch = new CountDownLatch(1);


      // mock the RPCManager used in the cache
      RPCManager mockRpcManager = EasyMock.createStrictMock(RPCManager.class);
      injectRpcManager(mockRpcManager);


      // expect basic cluster related calls
      expect(mockRpcManager.getMembers()).andReturn(originalRpcManager.getMembers()).anyTimes();
      expect(mockRpcManager.callRemoteMethods((Vector<Address>) anyObject(), (ReplicableCommand) anyObject(), anyBoolean(), anyLong(), anyBoolean())).andReturn(Collections.emptyList()).anyTimes();
      replay(mockRpcManager);


      Thread[] threads = new Thread[numThreads];


      for (int i = 0; i < numThreads; i++)

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   public void testOOBFlag() throws Exception
   {
      DelegatingRPCManager delegatingRPCManager = new DelegatingRPCManager();
      ComponentRegistry cr = TestingUtil.extractComponentRegistry(c1);
      RPCManager origRpcManager = cr.getComponent(RPCManager.class);
      delegatingRPCManager.delegate = origRpcManager;
      cr.registerComponent(delegatingRPCManager, RPCManager.class);
      cr.rewire();


      c1.getTransactionManager().begin();

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      long startTime = System.currentTimeMillis();
      log.warn("Starting cache");
      cache.start();
      // now remove the existing RpcDispatcher and replace with one that is a noop.
      ComponentRegistry cr = TestingUtil.extractComponentRegistry(cache);
      RPCManager rpcManager = cr.getComponent(RPCManager.class);
      RpcDispatcher d = (RpcDispatcher) TestingUtil.extractField(rpcManager, "rpcDispatcher");
      d.stop();
      RpcDispatcher replacement = new NoopDispatcher();
      replacement.setRequestMarshaller(d.getRequestMarshaller());
      replacement.setResponseMarshaller(d.getResponseMarshaller());

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    * Builds a listener that will observe the given cache for recieving replication commands.
    */
   public ReplicationListener(Cache cache)
   {
      ComponentRegistry componentRegistry = TestingUtil.extractComponentRegistry(cache);
      RPCManager rpcManager = componentRegistry.getComponent(RPCManager.class);
      CommandAwareRpcDispatcher realDispatcher = (CommandAwareRpcDispatcher) TestingUtil.extractField(rpcManager, "rpcDispatcher");
      RpcDispatcher.Marshaller2 realMarshaller = (RpcDispatcher.Marshaller2) realDispatcher.getMarshaller();
      RpcDispatcher.Marshaller2 delegate = null;
      if (realDispatcher instanceof InactiveRegionAwareRpcDispatcher)
         delegate = new RegionMarshallerDelegate((Marshaller) realMarshaller);

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   }


   public void testAsyncForce() throws Exception
   {
      PutForExternalReadTestBaseTL tl = threadLocal.get();
      RPCManager rpcManager = EasyMock.createNiceMock(RPCManager.class);
      RPCManager originalRpcManager = tl.cache1.getConfiguration().getRuntimeConfig().getRPCManager();
      List<Address> memberList = originalRpcManager.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(tl.cache1);
      cr.registerComponent(rpcManager, RPCManager.class);
      cr.rewire();

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   }


   public void testExceptionSuppression() throws Exception
   {
      PutForExternalReadTestBaseTL tl = threadLocal.get();
      RPCManager barfingRpcManager = EasyMock.createNiceMock(RPCManager.class);
      RPCManager originalRpcManager = tl.cache1.getConfiguration().getRuntimeConfig().getRPCManager();
      try
      {
         List<Address> memberList = originalRpcManager.getMembers();
         expect(barfingRpcManager.getMembers()).andReturn(memberList).anyTimes();
         expect(barfingRpcManager.getLocalAddress()).andReturn(originalRpcManager.getLocalAddress()).anyTimes();
         expect(barfingRpcManager.callRemoteMethods(anyAddresses(), (ReplicableCommand) anyObject(), anyBoolean(), anyLong(), anyBoolean())).andThrow(new RuntimeException("Barf!")).anyTimes();
         replay(barfingRpcManager);


         TestingUtil.extractComponentRegistry(tl.cache1).registerComponent(barfingRpcManager, RPCManager.class);
         tl.cache1.getConfiguration().getRuntimeConfig().setRPCManager(barfingRpcManager);

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    * @throws Exception
    */
   private void cacheModeLocalTest(boolean transactional) throws Exception
   {
      PutForExternalReadTestBaseTL tl = threadLocal.get();
      RPCManager rpcManager = EasyMock.createMock(RPCManager.class);
      RPCManager originalRpcManager = tl.cache1.getConfiguration().getRuntimeConfig().getRPCManager();


      // inject a mock RPC manager so that we can test whether calls made are sync or async.
      tl.cache1.getConfiguration().getRuntimeConfig().setRPCManager(rpcManager);


      // specify that we expect nothing will be called on the mock Rpc Manager.

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