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Migrate to AnyInvocable in data/

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PiperOrigin-RevId: 566721712
This commit is contained in:
Janusz Sobczak
2023-09-19 13:13:30 -07:00
committed by Copybara-Service
parent 94df1ffc4c
commit 8846f8b57e
5 changed files with 58 additions and 49 deletions
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internal/data/leveldb_data_set.h
+17 -15
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@@ -15,14 +15,13 @@
#ifndef THIRD_PARTY_NEARBY_INTERNAL_DATA_LEVELDB_DATA_SET_H_
#define THIRD_PARTY_NEARBY_INTERNAL_DATA_LEVELDB_DATA_SET_H_
#include <functional>
#include <memory>
#include <ostream>
#include <string>
#include <type_traits>
#include <utility>
#include <vector>
#include "absl/functional/any_invocable.h"
#include "absl/strings/string_view.h"
#include "third_party/leveldb/include/db.h"
#include "third_party/leveldb/include/iterator.h"
@@ -47,17 +46,19 @@ class LeveldbDataSet : public DataSet<T> {
explicit LeveldbDataSet(absl::string_view path) : path_(path) {}
~LeveldbDataSet() override = default;
void Initialize(std::function<void(InitStatus)> callback) override;
void LoadEntries(std::function<void(bool, std::unique_ptr<std::vector<T>>)>
callback) override;
void Initialize(absl::AnyInvocable<void(InitStatus) &&> callback) override;
void LoadEntries(
absl::AnyInvocable<void(bool, std::unique_ptr<std::vector<T>>) &&>
callback) override;
void LoadEntriesWithKeys(
std::function<
void(bool, std::unique_ptr<std::vector<std::pair<std::string, T>>>)>
absl::AnyInvocable<
void(bool,
std::unique_ptr<std::vector<std::pair<std::string, T>>>) &&>
callback);
void UpdateEntries(std::unique_ptr<KeyEntryVector> entries_to_save,
std::unique_ptr<std::vector<std::string>> keys_to_remove,
std::function<void(bool)> callback) override;
void Destroy(std::function<void(bool)> callback) override;
absl::AnyInvocable<void(bool) &&> callback) override;
void Destroy(absl::AnyInvocable<void(bool) &&> callback) override;
private:
void Serialize(T const& value, std::string& str);
@@ -73,7 +74,7 @@ template <typename T,
std::enable_if_t<std::is_base_of<proto2::MessageLite, T>::value, bool>
isMessageLite>
void LeveldbDataSet<T, isMessageLite>::Initialize(
std::function<void(InitStatus)> callback) {
absl::AnyInvocable<void(InitStatus) &&> callback) {
leveldb::Options options;
options.create_if_missing = true;
@@ -99,7 +100,8 @@ template <typename T,
std::enable_if_t<std::is_base_of<proto2::MessageLite, T>::value, bool>
isMessageLite>
void LeveldbDataSet<T, isMessageLite>::LoadEntries(
std::function<void(bool, std::unique_ptr<std::vector<T>>)> callback) {
absl::AnyInvocable<void(bool, std::unique_ptr<std::vector<T>>) &&>
callback) {
auto result = std::make_unique<std::vector<T>>();
if (status_ != InitStatus::kOK) {
std::move(callback)(false, std::move(result));
@@ -130,8 +132,8 @@ template <typename T,
std::enable_if_t<std::is_base_of<proto2::MessageLite, T>::value, bool>
isMessageLite>
void LeveldbDataSet<T, isMessageLite>::LoadEntriesWithKeys(
std::function<void(bool,
std::unique_ptr<std::vector<std::pair<std::string, T>>>)>
absl::AnyInvocable<
void(bool, std::unique_ptr<std::vector<std::pair<std::string, T>>>) &&>
callback) {
auto result = std::make_unique<std::vector<std::pair<std::string, T>>>();
if (status_ != InitStatus::kOK) {
@@ -165,7 +167,7 @@ template <typename T,
void LeveldbDataSet<T, isMessageLite>::UpdateEntries(
std::unique_ptr<KeyEntryVector> entries_to_save,
std::unique_ptr<std::vector<std::string>> keys_to_remove,
std::function<void(bool)> callback) {
absl::AnyInvocable<void(bool) &&> callback) {
NEARBY_LOGS(INFO) << "UpdateEntries is called.";
if (status_ != InitStatus::kOK) {
std::move(callback)(false);
@@ -193,7 +195,7 @@ template <typename T,
std::enable_if_t<std::is_base_of<proto2::MessageLite, T>::value, bool>
isMessageLite>
void LeveldbDataSet<T, isMessageLite>::Destroy(
std::function<void(bool)> callback) {
absl::AnyInvocable<void(bool) &&> callback) {
NEARBY_LOGS(INFO) << "Destroy is called.";
db_.reset();
leveldb::DestroyDB(path_, leveldb::Options());