63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
|
/*
|
||
|
* Copyright (c) Facebook, Inc. and its affiliates.
|
||
|
*
|
||
|
* This source code is licensed under the MIT license found in the
|
||
|
* LICENSE file in the root directory of this source tree.
|
||
|
*/
|
||
|
|
||
|
#pragma once
|
||
|
|
||
|
#include <better/optional.h>
|
||
|
|
||
|
#include <react/mounting/MountingTelemetry.h>
|
||
|
#include <react/mounting/MountingTransaction.h>
|
||
|
#include <react/mounting/ShadowViewMutation.h>
|
||
|
|
||
|
namespace facebook {
|
||
|
namespace react {
|
||
|
|
||
|
/*
|
||
|
* Represent a particular committed state of a shadow tree. The object contains
|
||
|
* a pointer to a root shadow node, a sequential number of commit and telemetry.
|
||
|
*/
|
||
|
class ShadowTreeRevision final {
|
||
|
public:
|
||
|
/*
|
||
|
* Sequential number of the commit that created this revision of a shadow
|
||
|
* tree.
|
||
|
*/
|
||
|
using Number = int64_t;
|
||
|
|
||
|
/*
|
||
|
* Creates the object with given root shadow node, revision number and
|
||
|
* telemetry.
|
||
|
*/
|
||
|
ShadowTreeRevision(
|
||
|
ShadowNode::Shared const &rootShadowNode,
|
||
|
Number number,
|
||
|
MountingTelemetry telemetry);
|
||
|
|
||
|
/*
|
||
|
* Returns telemetry associated with this revision.
|
||
|
*/
|
||
|
MountingTelemetry const &getTelemetry() const;
|
||
|
|
||
|
private:
|
||
|
friend class MountingCoordinator;
|
||
|
|
||
|
/*
|
||
|
* Methods from this section are meant to be used by `MountingCoordinator`
|
||
|
* only.
|
||
|
*/
|
||
|
ShadowNode const &getRootShadowNode();
|
||
|
Number getNumber() const;
|
||
|
|
||
|
private:
|
||
|
ShadowNode::Shared rootShadowNode_;
|
||
|
Number number_;
|
||
|
MountingTelemetry telemetry_;
|
||
|
};
|
||
|
|
||
|
} // namespace react
|
||
|
} // namespace facebook
|