Examples of com.arjuna.ats.txoj.Lock

com.arjuna.ats.txoj.Lock
Instances of this class (or derived user classes) are used when trying to set a lock. The default implementation provides a single-write/multiple-reader policy. However, by overridding the appropriate methods, other, type-specific concurrency control locks can be implemented. @author Mark Little (mark@arjuna.com) @version $Id: Lock.java 2342 2006-03-30 13:06:17Z $ @since JTS 1.0.

  public void set(int value)
      throws InvocationException
  {
    try
    {
      if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
      {
        _value = value;
      }
      else
      {

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    {
      AtomicTransaction atomicTransaction = new AtomicTransaction();


      atomicTransaction.begin();


      if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
      {
        atomicTransaction.commit(true);
      }
      else
      {

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      throw new InvocationException(Reason.ReasonUnknown);
    }


    try
    {
      if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED)
      {
        value.value = _values[x][y];
      }
      else
      {

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      throw new InvocationException(Reason.ReasonUnknown);
    }


    try
    {
      if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
      {
        _values[x][y] = value;
      }
      else
      {

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      interposition.registerTransaction(ctrl);


      try
      {
        if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED)
        {
          value.value = _value;
        }
        else
        {

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      interposition.registerTransaction(ctrl);


      try
      {
        if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
        {
          _value = value;
        }
        else
        {

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    {
      AtomicTransaction atomicTransaction = new AtomicTransaction();


      atomicTransaction.begin();


      if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
      {
        atomicTransaction.commit(true);
      }
      else
      {

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      try
      {
        atomicTransaction.begin();


        if (setlock(new Lock(LockMode.READ), 0) == LockResult.GRANTED)
        {
          value.value = _value;
          atomicTransaction.commit(true);
        }
        else

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      try
      {
        atomicTransaction.begin();


        if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
        {
          _value = value;
          atomicTransaction.commit(true);
        }
        else

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      try
      {
        atomicTransaction.begin();


        if (setlock(new Lock(LockMode.WRITE), 0) == LockResult.GRANTED)
        {
          _value++;
          atomicTransaction.commit(true);
        }
        else

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