[GitHub] [geode-native] pivotal-jbarrett commented on issue #430: GEODE-6210: Add 'transaction' example for cpp

["pivotal-jbarrett (GitHub)" <gi...@apache.org>]

Something like:
```c++
main() {
  ...
  transactionManager.begin();
  try {
    for (auto& key : batch) {
      auto value = getValueFromExternalSystem(key);
      cache.put(key, value);
    }
    transactionManager.commit();
  } catch ( ... ) {
    transactionManager.rollback();
  }
}

int32_t getValuFromExternalSystem(int32_t key) {
  if (random(10) == 0) {
    throw "failed to get from external system";
  }

  return random(key);
}
```

[ Full content available at: https://github.com/apache/geode-native/pull/430 ]
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