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Diffstat (limited to 'store/read_transaction.hpp')
-rw-r--r-- | store/read_transaction.hpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/store/read_transaction.hpp b/store/read_transaction.hpp new file mode 100644 index 000000000000..7dd20db782eb --- /dev/null +++ b/store/read_transaction.hpp @@ -0,0 +1,120 @@ +// Copyright 2011 The Kyua Authors. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// * Neither the name of Google Inc. nor the names of its contributors +// may be used to endorse or promote products derived from this software +// without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +/// \file store/read_transaction.hpp +/// Implementation of read-only transactions on the backend. + +#if !defined(STORE_READ_TRANSACTION_HPP) +#define STORE_READ_TRANSACTION_HPP + +#include "store/read_transaction_fwd.hpp" + +extern "C" { +#include <stdint.h> +} + +#include <memory> +#include <string> + +#include "model/context_fwd.hpp" +#include "model/test_program_fwd.hpp" +#include "model/test_result_fwd.hpp" +#include "store/read_backend_fwd.hpp" +#include "store/read_transaction_fwd.hpp" +#include "utils/datetime_fwd.hpp" + +namespace store { + + +namespace detail { + + +model::test_program_ptr get_test_program(read_backend&, const int64_t); + + +} // namespace detail + + +/// Iterator for the set of test case results that are part of an action. +/// +/// \todo Note that this is not a "standard" C++ iterator. I have chosen to +/// implement a different interface because it makes things easier to represent +/// an SQL statement state. Rewrite as a proper C++ iterator, inheriting from +/// std::iterator. +class results_iterator { + struct impl; + + /// Pointer to the shared internal implementation. + std::shared_ptr< impl > _pimpl; + + friend class read_transaction; + results_iterator(std::shared_ptr< impl >); + +public: + ~results_iterator(void); + + results_iterator& operator++(void); + operator bool(void) const; + + const model::test_program_ptr test_program(void) const; + std::string test_case_name(void) const; + model::test_result result(void) const; + utils::datetime::timestamp start_time(void) const; + utils::datetime::timestamp end_time(void) const; + + std::string stdout_contents(void) const; + std::string stderr_contents(void) const; +}; + + +/// Representation of a read-only transaction. +/// +/// Transactions are the entry place for high-level calls that access the +/// database. +class read_transaction { + struct impl; + + /// Pointer to the shared internal implementation. + std::shared_ptr< impl > _pimpl; + + friend class read_backend; + read_transaction(read_backend&); + +public: + ~read_transaction(void); + + void finish(void); + + model::context get_context(void); + results_iterator get_results(void); +}; + + +} // namespace store + +#endif // !defined(STORE_READ_TRANSACTION_HPP) |