components/invalidation/single_object_invalidation_set.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 "components/invalidation/single_object_invalidation_set.h"
   6
   7 #include "base/values.h"
   8 #include "components/invalidation/invalidation_util.h"
   9
  10 namespace syncer {
  11
  12 SingleObjectInvalidationSet::SingleObjectInvalidationSet() {}
  13
  14 SingleObjectInvalidationSet::~SingleObjectInvalidationSet() {}
  15
  16 void SingleObjectInvalidationSet::Insert(const Invalidation& invalidation) {
  17   invalidations_.insert(invalidation);
  18 }
  19
  20 void SingleObjectInvalidationSet::InsertAll(
  21     const SingleObjectInvalidationSet& other) {
  22   invalidations_.insert(other.begin(), other.end());
  23 }
  24
  25 void SingleObjectInvalidationSet::Clear() {
  26   invalidations_.clear();
  27 }
  28
  29 void SingleObjectInvalidationSet::Erase(const_iterator it) {
  30   invalidations_.erase(*it);
  31 }
  32
  33 bool SingleObjectInvalidationSet::StartsWithUnknownVersion() const {
  34   return !invalidations_.empty() &&
  35       invalidations_.begin()->is_unknown_version();
  36 }
  37
  38 size_t SingleObjectInvalidationSet::GetSize() const {
  39   return invalidations_.size();
  40 }
  41
  42 bool SingleObjectInvalidationSet::IsEmpty() const {
  43   return invalidations_.empty();
  44 }
  45
  46 namespace {
  47
  48 struct InvalidationComparator {
  49   bool operator()(const Invalidation& inv1, const Invalidation& inv2) {
  50     return inv1.Equals(inv2);
  51   }
  52 };
  53
  54 }  // namespace
  55
  56 bool SingleObjectInvalidationSet::operator==(
  57     const SingleObjectInvalidationSet& other) const {
  58   return std::equal(invalidations_.begin(),
  59                     invalidations_.end(),
  60                     other.invalidations_.begin(),
  61                     InvalidationComparator());
  62 }
  63
  64 SingleObjectInvalidationSet::const_iterator
  65 SingleObjectInvalidationSet::begin() const {
  66   return invalidations_.begin();
  67 }
  68
  69 SingleObjectInvalidationSet::const_iterator
  70 SingleObjectInvalidationSet::end() const {
  71   return invalidations_.end();
  72 }
  73
  74 SingleObjectInvalidationSet::const_reverse_iterator
  75 SingleObjectInvalidationSet::rbegin() const {
  76   return invalidations_.rbegin();
  77 }
  78
  79 SingleObjectInvalidationSet::const_reverse_iterator
  80 SingleObjectInvalidationSet::rend() const {
  81   return invalidations_.rend();
  82 }
  83
  84 const Invalidation& SingleObjectInvalidationSet::back() const {
  85   return *invalidations_.rbegin();
  86 }
  87
  88 scoped_ptr<base::ListValue> SingleObjectInvalidationSet::ToValue() const {
  89   scoped_ptr<base::ListValue> value(new base::ListValue);
  90   for (InvalidationsSet::const_iterator it = invalidations_.begin();
  91        it != invalidations_.end(); ++it) {
  92     value->Append(it->ToValue().release());
  93   }
  94   return value.Pass();
  95 }
  96
  97 bool SingleObjectInvalidationSet::ResetFromValue(
  98     const base::ListValue& list) {
  99   for (size_t i = 0; i < list.GetSize(); ++i) {
 100     const base::DictionaryValue* dict;
 101     if (!list.GetDictionary(i, &dict)) {
 102       DLOG(WARNING) << "Could not find invalidation at index " << i;
 103       return false;
 104     }
 105     scoped_ptr<Invalidation> invalidation = Invalidation::InitFromValue(*dict);
 106     if (!invalidation) {
 107       DLOG(WARNING) << "Failed to parse invalidation at index " << i;
 108       return false;
 109     }
 110     invalidations_.insert(*invalidation);
 111   }
 112   return true;
 113 }
 114
 115 }  // namespace syncer