Examples of org.jboss.cache.transaction.GlobalTransaction

org.jboss.cache.transaction.GlobalTransaction
Uniquely identifies a transaction that spans all nodes in a cluster. This is used when replicating all modifications in a transaction; the PREPARE and COMMIT (or ROLLBACK) messages have to have a unique identifier to associate the changes with
@author Bela Ban Apr 12, 2003 @author Manik Surtani (manik AT jboss DOT org) @version $Revision: 6959 $

   {
      InvocationContextContainer icc = getInvocationContextContainer();
      OwnableReentrantLock lock = new OwnableReentrantLock(icc);


      // create and set a gtx
      GlobalTransaction gtx = new GlobalTransaction();
      gtx.setId(10);
      icc.get().setGlobalTransaction(gtx);


      GlobalTransaction gtx2 = new GlobalTransaction();
      gtx2.setId(10);


      assert gtx != gtx2;


      lock.lock(); // locked by current thread
      assert lock.getOwner().equals(gtx);

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   public void testThreadLockedByGtx() throws InterruptedException
   {
      InvocationContextContainer icc = getInvocationContextContainer();
      final OwnableReentrantLock lock = new OwnableReentrantLock(icc);
      GlobalTransaction gtx = new GlobalTransaction();
      gtx.setId(10);
      icc.get().setGlobalTransaction(gtx);
      final AtomicBoolean acquired = new AtomicBoolean(false);
      final AtomicBoolean threwExceptionOnRelease = new AtomicBoolean(false);


      lock.lock();

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      {
         public void run()
         {
            try
            {
               GlobalTransaction gtx = new GlobalTransaction();
               gtx.setId(10);
               icc.get().setGlobalTransaction(gtx);
               acquired.set(lock.tryLock(10, TimeUnit.MILLISECONDS));
            }
            catch (InterruptedException e)
            {

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   {
      final InvocationContextContainer icc = getInvocationContextContainer();
      final OwnableReentrantLock lock = new OwnableReentrantLock(icc);
      final AtomicBoolean acquired = new AtomicBoolean(false);
      final AtomicBoolean threwExceptionOnRelease = new AtomicBoolean(false);
      GlobalTransaction gtx = new GlobalTransaction();
      gtx.setId(10);
      icc.get().setGlobalTransaction(gtx);


      lock.lock();
      assert lock.getOwner().equals(gtx);
      assert lock.getHoldCount() == 1;


      Thread t = new Thread()
      {
         public void run()
         {
            try
            {
               GlobalTransaction gtx = new GlobalTransaction();
               gtx.setId(20);
               icc.get().setGlobalTransaction(gtx);
               acquired.set(lock.tryLock(10, TimeUnit.MILLISECONDS));
            }
            catch (InterruptedException e)
            {

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   public void testGtxLockedByGtxSuccess() throws InterruptedException
   {
      final InvocationContextContainer icc = getInvocationContextContainer();
      final OwnableReentrantLock lock = new OwnableReentrantLock(icc);
      final AtomicBoolean acquired = new AtomicBoolean(false);
      GlobalTransaction gtx = new GlobalTransaction();
      gtx.setId(10);
      icc.get().setGlobalTransaction(gtx);


      lock.lock();
      assert lock.getOwner().equals(gtx);
      assert lock.getHoldCount() == 1;


      Thread t = new Thread()
      {
         public void run()
         {
            try
            {
               GlobalTransaction gtx = new GlobalTransaction();
               gtx.setId(10);
               icc.get().setGlobalTransaction(gtx);
               acquired.set(lock.tryLock(10, TimeUnit.MILLISECONDS));
            }
            catch (InterruptedException e)
            {

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   {
      control = createStrictControl();
      container = control.createMock(DataContainer.class);
      notifier = control.createMock(Notifier.class);
      nodes = new MockNodesFixture();
      globalTransaction = new GlobalTransaction();
      dataVersion = new DefaultDataVersion(10);
      ctx = createLegacyInvocationContext(container);


      AbstractVersionedDataCommand command = moreSetUp();
      command.initialize(notifier, container);

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   }


   private WorkspaceNode getWorkspaceNode(Fqn fqn) throws Exception
   {
      Transaction tx = cache.getTransactionManager().getTransaction();
      GlobalTransaction gtx = cache.getTransactionTable().get(tx);
      OptimisticTransactionContext te = (OptimisticTransactionContext) cache.getTransactionTable().get(gtx);
      TransactionWorkspace tw = te.getTransactionWorkSpace();
      return tw.getNode(fqn);
   }

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   /**
    * @return a GlobalTransaction instance if the current call is participating in a transaction, or the current thread otherwise.
    */
   protected final Object currentRequestor()
   {
      GlobalTransaction gtx;
      return (gtx = invocationContextContainer.get().getGlobalTransaction()) == null ? Thread.currentThread() : gtx;
   }

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      }
      else
      {
         InvocationContext ctx = invocationContextContainer.get();
         cacheStatusCheck(ctx);
         GlobalTransaction tx = transactionTable.getCurrentTransaction();
         RemoveNodeCommand command = commandsFactory.buildRemoveNodeCommand(tx, fqn);
         Object retval = invoker.invoke(ctx, command);
         return retval != null && (Boolean) retval;
      }
   }

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   @SuppressWarnings("unchecked")
   public V remove(Fqn fqn, K key) throws CacheException
   {
      InvocationContext ctx = invocationContextContainer.get();
      cacheStatusCheck(ctx);
      GlobalTransaction tx = transactionTable.getCurrentTransaction();
      RemoveKeyCommand command = commandsFactory.buildRemoveKeyCommand(tx, fqn, key);
      return (V) invoker.invoke(ctx, command);
   }

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