blob: 86629a9caae290d91b9c2640152442b2e26b84c5 [file] [log] [blame]
// Copyright (c) 2012 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 <stdint.h>
#include <set>
#include <vector>
#include "base/macros.h"
#include "components/sync/engine/model_safe_worker.h"
#include "components/sync/syncable/syncable_id.h"
namespace syncer {
class Cryptographer;
namespace syncable {
class WriteTransaction;
class Entry;
// An UpdateApplicator is used to iterate over a number of unapplied updates,
// applying them to the client using the given syncer cycle.
// UpdateApplicator might resemble an iterator, but it actually keeps retrying
// failed updates until no remaining updates can be successfully applied.
class UpdateApplicator {
explicit UpdateApplicator(Cryptographer* cryptographer);
// Attempt to apply the specified updates.
void AttemptApplications(syncable::WriteTransaction* trans,
const std::vector<int64_t>& handles);
int updates_applied() { return updates_applied_; }
int encryption_conflicts() { return encryption_conflicts_; }
int hierarchy_conflicts() { return hierarchy_conflicts_; }
const std::set<syncable::Id>& simple_conflict_ids() {
return simple_conflict_ids_;
// If true, AttemptOneApplication will skip over |entry| and return true.
bool SkipUpdate(const syncable::Entry& entry);
// Used to decrypt sensitive sync nodes.
Cryptographer* cryptographer_;
int updates_applied_;
int encryption_conflicts_;
int hierarchy_conflicts_;
std::set<syncable::Id> simple_conflict_ids_;
} // namespace syncer