components/sync/engine_impl/get_commit_ids.h

// Copyright 2013 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.

#ifndef COMPONENTS_SYNC_ENGINE_IMPL_GET_COMMIT_IDS_H_
#define COMPONENTS_SYNC_ENGINE_IMPL_GET_COMMIT_IDS_H_

#include <stddef.h>
#include <stdint.h>

#include <vector>

#include "components/sync/base/model_type.h"
#include "components/sync/syncable/directory.h"

using std::vector;

namespace syncer {

namespace syncable {
class BaseTransaction;
}

// Returns up to |max_entries| metahandles of entries that belong to the
// specified |type| and are ready for commit.
//
// This function returns handles in "commit order".  A valid commit ordering is
// one where server-unknown items are committed parents-first, and deletions
// are committed children-first.
//
// This function also enforces some position ordering constraints that are no
// longer necessary.  We should relax those constraints.  See crbug.com/287938.
void GetCommitIdsForType(syncable::BaseTransaction* trans,
                         ModelType type,
                         size_t max_entries,
                         std::vector<int64_t>* out);

}  // namespace syncer

#endif  // COMPONENTS_SYNC_ENGINE_IMPL_GET_COMMIT_IDS_H_