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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <memory>
#include <mutex>
#include <map>
#include <vespa/document/config/documenttypes_config_fwd.h>
namespace document {
class DocumentTypeRepo;
/*
* Factory class for document type repos. Same instance is returned
* for equal config.
*/
class DocumentTypeRepoFactory {
struct DocumentTypeRepoEntry {
std::weak_ptr<const DocumentTypeRepo> repo;
std::unique_ptr<const DocumenttypesConfig> config;
DocumentTypeRepoEntry(std::weak_ptr<const DocumentTypeRepo> repo_in,
std::unique_ptr<const DocumenttypesConfig> config_in)
: repo(std::move(repo_in)),
config(std::move(config_in))
{
}
DocumentTypeRepoEntry(DocumentTypeRepoEntry &&) = default;
~DocumentTypeRepoEntry();
};
using DocumentTypeRepoMap = std::map<const void *, DocumentTypeRepoEntry>;
class Deleter;
static std::mutex _mutex;
static DocumentTypeRepoMap _repos;
static void deleteRepo(DocumentTypeRepo *repoRawPtr) noexcept;
public:
/*
* Since same instance is returned for equal config, we return a shared
* pointer to a const repo. The repo should be considered immutable.
*/
static std::shared_ptr<const DocumentTypeRepo> make(const DocumenttypesConfig &config);
static bool empty();
};
}
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