sync/internal_api/public/base/invalidation_interface.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "sync/internal_api/public/base/invalidation_interface.h"
   6
   7 namespace syncer {
   8
   9 bool InvalidationInterface::LessThanByVersion(const InvalidationInterface& a,
  10                                               const InvalidationInterface& b) {
  11   if (a.IsUnknownVersion() && !b.IsUnknownVersion())
  12     return true;
  13
  14   if (!a.IsUnknownVersion() && b.IsUnknownVersion())
  15     return false;
  16
  17   if (a.IsUnknownVersion() && b.IsUnknownVersion())
  18     return false;
  19
  20   return a.GetVersion() < b.GetVersion();
  21 }
  22
  23 InvalidationInterface::InvalidationInterface() {
  24 }
  25
  26 InvalidationInterface::~InvalidationInterface() {
  27 }
  28
  29 }  // namespace syncer