be/src/util/fake-lock.h

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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#ifndef IMPALA_UTIL_FAKE_LOCK_H
#define IMPALA_UTIL_FAKE_LOCK_H

namespace impala {

// Implementation of Boost's lockable interface that does nothing. Used to replace an
// actual lock implementation in template classes in if no thread safety is needed.
class FakeLock {
 public:
  FakeLock() {}
  void lock() {}
  void unlock() {}
  bool try_lock() { return true; }

 private:
  DISALLOW_COPY_AND_ASSIGN(FakeLock);
};
}
#endif