sync/api/sync_change.cc

   1 // Copyright (c) 2012 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/api/sync_change.h"
   6
   7 #include <ostream>
   8
   9 namespace syncer {
  10
  11 SyncChange::SyncChange() : change_type_(ACTION_INVALID) {
  12 }
  13
  14 SyncChange::SyncChange(
  15     const tracked_objects::Location& from_here,
  16     SyncChangeType change_type,
  17     const SyncData& sync_data)
  18     : location_(from_here),
  19       change_type_(change_type),
  20       sync_data_(sync_data) {
  21   DCHECK(IsValid());
  22 }
  23
  24 SyncChange::~SyncChange() {}
  25
  26 bool SyncChange::IsValid() const {
  27   if (change_type_ == ACTION_INVALID || !sync_data_.IsValid())
  28     return false;
  29
  30   // Data from the syncer must always have valid specifics.
  31   if (!sync_data_.IsLocal())
  32     return IsRealDataType(sync_data_.GetDataType());
  33
  34   // Local changes must always have a tag and specify a valid datatype.
  35   if (SyncDataLocal(sync_data_).GetTag().empty() ||
  36       !IsRealDataType(sync_data_.GetDataType())) {
  37     return false;
  38   }
  39
  40   // Adds and updates must have a non-unique-title.
  41   if (change_type_ == ACTION_ADD || change_type_ == ACTION_UPDATE)
  42     return (!sync_data_.GetTitle().empty());
  43
  44   return true;
  45 }
  46
  47 SyncChange::SyncChangeType SyncChange::change_type() const {
  48   return change_type_;
  49 }
  50
  51 SyncData SyncChange::sync_data() const {
  52   return sync_data_;
  53 }
  54
  55 tracked_objects::Location SyncChange::location() const {
  56   return location_;
  57 }
  58
  59 // static
  60 std::string SyncChange::ChangeTypeToString(SyncChangeType change_type) {
  61   switch (change_type) {
  62     case ACTION_INVALID:
  63       return "ACTION_INVALID";
  64     case ACTION_ADD:
  65       return "ACTION_ADD";
  66     case ACTION_UPDATE:
  67       return "ACTION_UPDATE";
  68     case ACTION_DELETE:
  69       return "ACTION_DELETE";
  70     default:
  71       NOTREACHED();
  72   }
  73   return std::string();
  74 }
  75
  76 std::string SyncChange::ToString() const {
  77   return "{ " + location_.ToString() + ", changeType: " +
  78       ChangeTypeToString(change_type_) + ", syncData: " +
  79       sync_data_.ToString() + "}";
  80 }
  81
  82 void PrintTo(const SyncChange& sync_change, std::ostream* os) {
  83   *os << sync_change.ToString();
  84 }
  85
  86 }  // namespace syncer