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Copy pathtype_factory.cc
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98 lines (86 loc) · 3.32 KB
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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "base/type_factory.h"
#include <utility>
#include "absl/log/absl_check.h"
#include "absl/synchronization/mutex.h"
#include "base/handle.h"
namespace cel {
namespace {
using base_internal::HandleFactory;
using base_internal::ModernListType;
using base_internal::ModernMapType;
} // namespace
TypeFactory::TypeFactory(MemoryManager& memory_manager)
: memory_manager_(memory_manager) {
json_list_type_ = list_types_
.insert({GetJsonValueType(),
HandleFactory<ListType>::Make<ModernListType>(
memory_manager_, GetJsonValueType())})
.first->second;
json_map_type_ =
map_types_
.insert({std::make_pair(GetStringType(), GetJsonValueType()),
HandleFactory<MapType>::Make<ModernMapType>(
memory_manager_, GetStringType(), GetJsonValueType())})
.first->second;
}
absl::StatusOr<Handle<ListType>> TypeFactory::CreateListType(
const Handle<Type>& element) {
ABSL_DCHECK(element) << "handle must not be empty";
{
absl::ReaderMutexLock lock(&list_types_mutex_);
if (auto existing = list_types_.find(element);
existing != list_types_.end()) {
return existing->second;
}
}
auto list_type =
HandleFactory<ListType>::Make<ModernListType>(memory_manager(), element);
absl::WriterMutexLock lock(&list_types_mutex_);
return list_types_.insert({element, std::move(list_type)}).first->second;
}
absl::StatusOr<Handle<MapType>> TypeFactory::CreateMapType(
const Handle<Type>& key, const Handle<Type>& value) {
ABSL_DCHECK(key) << "handle must not be empty";
ABSL_DCHECK(value) << "handle must not be empty";
{
absl::ReaderMutexLock lock(&map_types_mutex_);
if (auto existing = map_types_.find({key, value});
existing != map_types_.end()) {
return existing->second;
}
}
auto map_type =
HandleFactory<MapType>::Make<ModernMapType>(memory_manager(), key, value);
absl::WriterMutexLock lock(&map_types_mutex_);
return map_types_.insert({std::make_pair(key, value), std::move(map_type)})
.first->second;
}
absl::StatusOr<Handle<OptionalType>> TypeFactory::CreateOptionalType(
const Handle<Type>& type) {
ABSL_DCHECK(type) << "handle must not be empty";
{
absl::ReaderMutexLock lock(&optional_types_mutex_);
if (auto existing = optional_types_.find(type);
existing != optional_types_.end()) {
return existing->second;
}
}
auto optional_type =
HandleFactory<OptionalType>::Make<OptionalType>(memory_manager(), type);
absl::WriterMutexLock lock(&optional_types_mutex_);
return optional_types_.insert({type, std::move(optional_type)}).first->second;
}
} // namespace cel