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78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
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// Copyright 2011 The Kyua Authors.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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// * Neither the name of Google Inc. nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/// \file store/read_backend.hpp
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/// Interface to the backend database for read-only operations.
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#if !defined(STORE_READ_BACKEND_HPP)
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#define STORE_READ_BACKEND_HPP
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#include "store/read_backend_fwd.hpp"
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#include <memory>
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#include "store/read_transaction_fwd.hpp"
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#include "utils/fs/path_fwd.hpp"
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#include "utils/sqlite/database_fwd.hpp"
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namespace store {
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namespace detail {
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utils::sqlite::database open_and_setup(const utils::fs::path&, const int);
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} // anonymous namespace
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/// Public interface to the database store for read-only operations.
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class read_backend {
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struct impl;
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/// Pointer to the shared internal implementation.
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std::shared_ptr< impl > _pimpl;
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read_backend(impl*);
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public:
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~read_backend(void);
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static read_backend open_ro(const utils::fs::path&);
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void close(void);
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utils::sqlite::database& database(void);
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read_transaction start_read(void);
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};
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} // namespace store
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#endif // !defined(STORE_READ_BACKEND_HPP)
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