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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of clio: https://github.com/XRPLF/clio
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Copyright (c) 2023, the clio developers.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <backend/cassandra/impl/Result.h>
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namespace {
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static constexpr auto resultDeleter = [](CassResult const* ptr) { cass_result_free(ptr); };
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static constexpr auto resultIteratorDeleter = [](CassIterator* ptr) { cass_iterator_free(ptr); };
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} // namespace
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namespace Backend::Cassandra::detail {
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/* implicit */ Result::Result(CassResult const* ptr) : ManagedObject{ptr, resultDeleter}
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{
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}
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[[nodiscard]] std::size_t
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Result::numRows() const
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{
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return cass_result_row_count(*this);
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}
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[[nodiscard]] bool
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Result::hasRows() const
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{
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return numRows() > 0;
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}
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/* implicit */ ResultIterator::ResultIterator(CassIterator* ptr)
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: ManagedObject{ptr, resultIteratorDeleter}, hasMore_{cass_iterator_next(ptr)}
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{
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}
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[[nodiscard]] ResultIterator
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ResultIterator::fromResult(Result const& result)
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{
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return {cass_iterator_from_result(result)};
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}
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[[maybe_unused]] bool
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ResultIterator::moveForward()
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{
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hasMore_ = cass_iterator_next(*this);
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return hasMore_;
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}
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[[nodiscard]] bool
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ResultIterator::hasMore() const
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{
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return hasMore_;
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}
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} // namespace Backend::Cassandra::detail
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