How to use

checkOpen

method

in

com.palantir.atlasdb.transaction.impl.AbstractTransactionManager

protected final <T, E extends Exception> T runTaskThrowOnConflict(TransactionTask<T, E> task, Transaction txn)
    throws E, TransactionFailedException {
  checkOpen();
  try {
    T ret = task.execute(txn);
    if (txn.isUncommitted()) {
      txn.commit();
    }
    return ret;
  } finally {
    // Make sure that anyone trying to retain a reference to this transaction
    // will not be able to use it.
    if (txn.isUncommitted()) {
      txn.abort();
    }
  }
}

protected final <T, E extends Exception> T runTaskThrowOnConflict(TransactionTask<T, E> task, Transaction txn)
    throws E, TransactionFailedException {
  checkOpen();
  try {
    T ret = task.execute(txn);
    if (txn.isUncommitted()) {
      txn.commit();
    }
    return ret;
  } finally {
    // Make sure that anyone trying to retain a reference to this transaction
    // will not be able to use it.
    if (txn.isUncommitted()) {
      txn.abort();
    }
  }
}