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/**
* @copyright
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* http://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.
* ====================================================================
* @endcopyright
*/
#ifndef SVNXX_PRIVATE_FUTURE_HPP
#define SVNXX_PRIVATE_FUTURE_HPP
#include "svnxx/detail/future.hpp"
#include "../private/init_private.hpp"
#include "../aprwrap.hpp"
namespace apache {
namespace subversion {
namespace svnxx {
namespace detail {
namespace future_ {
// Encapsulates a result pool that will contain pool-allocated
// objects returned from asynchronous operations. Consequently,
// keeps a reference to the global state that holds the root pool
// that is the parent of this result pool.
class result
{
public:
explicit result(const detail::global_state::ptr& state_)
: state(state_),
result_pool(state_)
{}
apr::pool& get_pool() noexcept
{
return result_pool;
}
private:
const detail::global_state::ptr state;
apr::pool result_pool;
};
} // namespace future_
} // namespace detail
namespace impl {
// Creates a detail::future_::result pointer for initializing
// detail::future objects.
inline detail::future_::unique_ptr
make_future_result(const detail::global_state::ptr& state)
{
using namespace detail::future_;
return unique_ptr(new result(state));
}
// Creates a null detail::future_::result pointer for cases where we
// do not need a result pool.
inline detail::future_::unique_ptr
make_future_result()
{
return detail::future_::unique_ptr();
}
// Wrapper for detail::future with public constructor.
template<typename T>
struct future final : public detail::future_::future<T>
{
using inherited = typename detail::future_::future<T>::inherited;
future(inherited that, detail::future_::unique_ptr&& ctx) noexcept
: detail::future_::future<T>(std::move(that), std::move(ctx))
{}
};
// Wrapper for detail::shared_future with public constructor.
template<typename T>
struct shared_future final : public detail::future_::shared_future<T>
{
using inherited = typename detail::future_::shared_future<T>::inherited;
shared_future(inherited that, detail::future_::shared_ptr ctx) noexcept
: detail::future_::shared_future<T>(std::move(that), ctx)
{}
};
} // namespace impl
} // namespace svnxx
} // namespace subversion
} // namespace apache
#endif // SVNXX_PRIVATE_FUTURE_HPP
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