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react-native/ReactCommon/fabric/mounting/ShadowTreeRevision.h
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Andres SuarezandFacebook Github Bot 3b31e69e28 Tidy up license headers [2/n]
Summary: Changelog: [General] [Fixed] - License header cleanup

Reviewed By: yungsters

Differential Revision: D17952694

fbshipit-source-id: 17c87de7ebb271fa2ac8d00af72a4d1addef8bd0
2019-10-16 10:06:34 -07:00

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