sync/internal_api/public/base/invalidation_interface.cc


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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "sync/internal_api/public/base/invalidation_interface.h"

namespace syncer {

bool InvalidationInterface::LessThanByVersion(const InvalidationInterface& a,
                                              const InvalidationInterface& b) {
  if (a.IsUnknownVersion() && !b.IsUnknownVersion())
    return true;

  if (!a.IsUnknownVersion() && b.IsUnknownVersion())
    return false;

  if (a.IsUnknownVersion() && b.IsUnknownVersion())
    return false;

  return a.GetVersion() < b.GetVersion();
}

InvalidationInterface::InvalidationInterface() {
}

InvalidationInterface::~InvalidationInterface() {
}

}  // namespace syncer