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// Copyright 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.
#ifndef SYNC_SYNCABLE_MUTABLE_ENTRY_H_
#define SYNC_SYNCABLE_MUTABLE_ENTRY_H_
#include "sync/base/sync_export.h"
#include "sync/internal_api/public/base/model_type.h"
#include "sync/syncable/entry.h"
#include "sync/syncable/metahandle_set.h"
#include "sync/syncable/model_neutral_mutable_entry.h"
namespace syncer {
class WriteNode;
namespace syncable {
enum Create {
CREATE
};
class WriteTransaction;
// A mutable meta entry. Changes get committed to the database when the
// WriteTransaction is destroyed.
class SYNC_EXPORT_PRIVATE MutableEntry : public ModelNeutralMutableEntry {
void Init(WriteTransaction* trans, ModelType model_type,
const Id& parent_id, const std::string& name);
public:
MutableEntry(WriteTransaction* trans, CreateNewUpdateItem, const Id& id);
MutableEntry(WriteTransaction* trans, Create, ModelType model_type,
const Id& parent_id, const std::string& name);
MutableEntry(WriteTransaction* trans, GetByHandle, int64);
MutableEntry(WriteTransaction* trans, GetById, const Id&);
MutableEntry(WriteTransaction* trans, GetByClientTag, const std::string& tag);
MutableEntry(WriteTransaction* trans, GetByServerTag, const std::string& tag);
inline WriteTransaction* write_transaction() const {
return write_transaction_;
}
// Model-changing setters. These setters make user-visible changes that will
// need to be communicated either to the local model or the sync server.
void PutLocalExternalId(int64 value);
void PutMtime(base::Time value);
void PutCtime(base::Time value);
void PutParentId(const Id& value);
void PutIsDir(bool value);
void PutIsDel(bool value);
void PutNonUniqueName(const std::string& value);
void PutSpecifics(const sync_pb::EntitySpecifics& value);
void PutUniquePosition(const UniquePosition& value);
// Sets the position of this item, and updates the entry kernels of the
// adjacent siblings so that list invariants are maintained. Returns false
// and fails if |predecessor_id| does not identify a sibling. Pass the root
// ID to put the node in first position.
bool PutPredecessor(const Id& predecessor_id);
private:
// Kind of redundant. We should reduce the number of pointers
// floating around if at all possible. Could we store this in Directory?
// Scope: Set on construction, never changed after that.
WriteTransaction* const write_transaction_;
DISALLOW_COPY_AND_ASSIGN(MutableEntry);
};
// This function sets only the flags needed to get this entry to sync.
bool MarkForSyncing(syncable::MutableEntry* e);
} // namespace syncable
} // namespace syncer
#endif // SYNC_SYNCABLE_MUTABLE_ENTRY_H_
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