Package org.jboss.ha.framework.server.lock.AbstractClusterLockSupport

Examples of org.jboss.ha.framework.server.lock.AbstractClusterLockSupport.RpcTarget

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   public void testBasicRemoteLock() throws Exception
   {
      TesteeSet<NonGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 2);
      NonGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      ClusterNode caller = testee.getCurrentView().get(0);
      assertFalse(node1.equals(caller));
     
      resetToStrict(handler);     
      handler.lockFromCluster("test", caller, 1000);
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
     
      // Do it again; should fail as another thread from caller already
      // acquired the lock
      resetToStrict(handler); // fail if we call the local handler
      replay(handler);
     
      rsp = target.remoteLock("test", caller, 1000);
     
      assertEquals(RemoteLockResponse.Flag.REJECT, rsp.flag);
      assertEquals(caller, rsp.holder);
     
      verify(handler);  
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   public void testContestedRemoteLock() throws Exception
   {
      TesteeSet<NonGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 3);
      NonGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      ClusterNode caller1 = testee.getCurrentView().get(0);
      assertFalse(node1.equals(caller1));
     
      ClusterNode caller2 = testee.getCurrentView().get(2);
      assertFalse(node1.equals(caller2));
     
      resetToStrict(handler);       
      handler.lockFromCluster("test", caller1, 1000);   
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller1, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
     
      // A call from a different caller should be rejected without need
      // to go to the LocalLockHandler
      resetToStrict(handler);
      replay(handler);
     
      rsp = target.remoteLock("test", caller2, 1000);
     
      assertEquals(RemoteLockResponse.Flag.REJECT, rsp.flag);
      assertEquals(caller1, rsp.holder);
     
      verify(handler);     
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   public void testConcurrentRemoteLock() throws Exception
   {
      TesteeSet<NonGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 3);
      NonGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      final RpcTarget target = testeeSet.target;
     
      ClusterNode caller1 = testee.getCurrentView().get(0);
      assertFalse(node1.equals(caller1));
     
      ClusterNode caller2 = testee.getCurrentView().get(2);
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   public void testRemoteLockFailsAgainstLocalLock() throws Exception
   {
      TesteeSet<NonGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 2);
      NonGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      ClusterNode caller1 = testee.getCurrentView().get(0);
      assertFalse(node1.equals(caller1));
     
      resetToStrict(handler);  
      // We throw TimeoutException to indicate "node1" holds the lock
      handler.lockFromCluster("test", caller1, 1000);
      expectLastCall().andThrow(new TimeoutException(node1));   
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller1, 1000);
     
      assertEquals(RemoteLockResponse.Flag.FAIL, rsp.flag);
      assertEquals(node1, rsp.holder);
     
      verify(handler); 
     
      // A second attempt should succeed if the local lock is released
     
      resetToStrict(handler);    
      // We return normally to indicate success
      handler.lockFromCluster("test", caller1, 1000);   
      replay(handler);
     
      rsp = target.remoteLock("test", caller1, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler); 
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   public void testDeadMemberCleanupAllowsRemoteLock() throws Exception
   {     
      TesteeSet<NonGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 3);
      NonGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      List<ClusterNode> members = testee.getCurrentView();
      ClusterNode caller1 = members.get(0);
      assertFalse(node1.equals(caller1));
     
      ClusterNode caller2 = members.get(2);
      assertFalse(node1.equals(caller2));
     
      resetToStrict(handler);            
      handler.lockFromCluster("test", caller1, 1000);
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller1, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
     
      // Change the view
      Vector<ClusterNode> dead = new Vector<ClusterNode>();
      dead.add(caller1);
     
      Vector<ClusterNode> all = new Vector<ClusterNode>(members);
      all.remove(caller1);
     
      resetToStrict(handler);
      expect(handler.getLockHolder("test")).andReturn(caller1);
      handler.unlockFromCluster("test", caller1);
      replay(handler);
     
      testee.membershipChanged(dead, new Vector<ClusterNode>(), all);
     
      verify(handler);
     
      // A call from a different caller should work
      resetToStrict(handler);            
      handler.lockFromCluster("test", caller2, 1000);
      replay(handler);
     
      rsp = target.remoteLock("test", caller2, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
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   {
      TesteeSet<NonGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 3);
      NonGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      HAPartition partition = testee.getPartition();
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      ClusterNode caller1 = testee.getCurrentView().get(0);
      ClusterNode caller2 = testee.getCurrentView().get(2);
     
      resetToStrict(partition);
      resetToStrict(handler);
     
      handler.lockFromCluster(eq("test"), eq(caller1), anyLong());
     
      expect(handler.getLockHolder("test")).andReturn(caller1);
     
      replay(partition);
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller1, 1);
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
     
      target.releaseRemoteLock("test", caller2);
     
      verify(partition);
      verify(handler);
   }
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   public void testBasicRemoteLock() throws Exception
   {
      TesteeSet<YieldingGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 2);
      YieldingGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      ClusterNode caller = testee.getCurrentView().get(0);
      assertFalse(node1.equals(caller));
     
      resetToStrict(handler);     
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
     
      // Do it again; should still work
      resetToStrict(handler);     
      replay(handler);
     
      rsp = target.remoteLock("test", caller, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
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   public void testContestedRemoteLock() throws Exception
   {
      TesteeSet<YieldingGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 3);
      YieldingGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      ClusterNode caller1 = testee.getCurrentView().get(0);
      assertFalse(node1.equals(caller1));
     
      ClusterNode caller2 = testee.getCurrentView().get(2);
      assertFalse(node1.equals(caller2));
     
      resetToStrict(handler);     
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller1, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
     
      // A call from a different caller should still work as
      // w/ supportLockOnly==false we only reject if WE hold the lock
      resetToStrict(handler);
      replay(handler);
     
      rsp = target.remoteLock("test", caller2, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
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   public void testDeadMemberCleanupAllowsRemoteLock() throws Exception
   {
      TesteeSet<YieldingGloballyExclusiveClusterLockSupport> testeeSet = getTesteeSet(node1, 1, 3);
      YieldingGloballyExclusiveClusterLockSupport testee = testeeSet.impl;
      LocalLockHandler handler = testee.getLocalHandler();
      RpcTarget target = testeeSet.target;
     
      List<ClusterNode> members = testee.getCurrentView();
      ClusterNode caller1 = members.get(0);
      assertFalse(node1.equals(caller1));
     
      ClusterNode caller2 = members.get(2);
      assertFalse(node1.equals(caller2));
     
      resetToStrict(handler);     
      replay(handler);
     
      RemoteLockResponse rsp = target.remoteLock("test", caller1, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
     
      // Change the view
      Vector<ClusterNode> dead = new Vector<ClusterNode>();
      dead.add(caller1);
     
      Vector<ClusterNode> all = new Vector<ClusterNode>(members);
      all.remove(caller1);
     
      resetToStrict(handler);
      replay(handler);
     
      testee.membershipChanged(dead, new Vector<ClusterNode>(), all);
     
      verify(handler);
     
      // A call from a different caller should work
      resetToStrict(handler);
      replay(handler);
     
      rsp = target.remoteLock("test", caller2, 1000);
     
      assertEquals(RemoteLockResponse.Flag.OK, rsp.flag);
      assertNull(rsp.holder);
     
      verify(handler);
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   {
      TesteeSet<T> testeeSet = getTesteeSet(node1, 1, 3);
      T testee = testeeSet.impl;
      HAPartition partition = testee.getPartition();
      LocalLockHandler handler = testee.getLocalHandler();
      final RpcTarget target = testeeSet.target;
     
      ClusterNode superiorCaller = testee.getCurrentView().get(0);
      assertFalse(node1.equals(superiorCaller));

      resetToStrict(partition);   
      makeThreadSafe(partition, true);
      resetToStrict(handler);  
      makeThreadSafe(handler, true);
     
      ArrayList<RemoteLockResponse> rspList = new ArrayList<RemoteLockResponse>();
      rspList.add(new RemoteLockResponse(null, RemoteLockResponse.Flag.OK));
     
      expect(partition.callMethodOnCluster(eq("test"),
                                           eq("remoteLock"),
                                           eqLockParams(node1, 200000),
                                           aryEq(AbstractClusterLockSupport.REMOTE_LOCK_TYPES),
                                           eq(true))).andReturn(rspList);
     
      // When caller 1 invokes, block before giving response
      CountDownLatch answerAwaitLatch = new CountDownLatch(1);
      CountDownLatch answerStartLatch = new CountDownLatch(1);
      CountDownLatch answerDoneLatch = new CountDownLatch(1);
      BlockingAnswer<Boolean> caller1Answer = new BlockingAnswer<Boolean>(Boolean.TRUE, answerAwaitLatch, answerStartLatch, null);
      handler.lockFromCluster(eq("test"), eq(node1), anyLong());
      expectLastCall().andAnswer(caller1Answer);
     
      replay(partition);
      replay(handler);
     
      LocalLockCaller winner = new LocalLockCaller(testee, null, null, answerDoneLatch, 500);
     
      Thread t1 = new Thread(winner);
      t1.setDaemon(true);
     
      try
      {
         t1.start();        
         assertTrue(answerStartLatch.await(500, TimeUnit.SECONDS));
         // t1 should now be blocking in caller1Answer
        
         RemoteLockResponse rsp = target.remoteLock("test", superiorCaller, 1);
         assertEquals(RemoteLockResponse.Flag.REJECT, rsp.flag);
         assertEquals(node1, rsp.holder);
        
         // release t1
         answerAwaitLatch.countDown();
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Related Classes of org.jboss.ha.framework.server.lock.AbstractClusterLockSupport.RpcTarget

  • org.jboss.test.cluster.defaultcfg.test.ReadWriteClusteredLockManagerUnitTestCase
  • org.jboss.test.cluster.defaultcfg.test.YieldingGloballyExclusiveClusterLockSupportUnitTestCase
  • org.jboss.test.cluster.lock.ClusteredLockManagerTestBase
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