mirror of
https://github.com/XRPLF/clio.git
synced 2025-11-04 20:05:51 +00:00
76 lines
2.2 KiB
C++
76 lines
2.2 KiB
C++
//------------------------------------------------------------------------------
|
|
/*
|
|
This file is part of clio: https://github.com/XRPLF/clio
|
|
Copyright (c) 2023, the clio developers.
|
|
|
|
Permission to use, copy, modify, and distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
//==============================================================================
|
|
|
|
#include "data/cassandra/impl/Result.hpp"
|
|
|
|
#include "data/cassandra/impl/ManagedObject.hpp"
|
|
|
|
#include <cassandra.h>
|
|
|
|
#include <cstddef>
|
|
|
|
namespace {
|
|
constexpr auto kRESULT_DELETER = [](CassResult const* ptr) { cass_result_free(ptr); };
|
|
constexpr auto kRESULT_ITERATOR_DELETER = [](CassIterator* ptr) { cass_iterator_free(ptr); };
|
|
} // namespace
|
|
|
|
namespace data::cassandra::impl {
|
|
|
|
/* implicit */ Result::Result(CassResult const* ptr) : ManagedObject{ptr, kRESULT_DELETER}
|
|
{
|
|
}
|
|
|
|
[[nodiscard]] std::size_t
|
|
Result::numRows() const
|
|
{
|
|
return cass_result_row_count(*this);
|
|
}
|
|
|
|
[[nodiscard]] bool
|
|
Result::hasRows() const
|
|
{
|
|
return numRows() > 0;
|
|
}
|
|
|
|
/* implicit */ ResultIterator::ResultIterator(CassIterator* ptr)
|
|
: ManagedObject{ptr, kRESULT_ITERATOR_DELETER}, hasMore_{cass_iterator_next(ptr) != 0u}
|
|
{
|
|
}
|
|
|
|
[[nodiscard]] ResultIterator
|
|
ResultIterator::fromResult(Result const& result)
|
|
{
|
|
return {cass_iterator_from_result(result)};
|
|
}
|
|
|
|
[[maybe_unused]] bool
|
|
ResultIterator::moveForward()
|
|
{
|
|
hasMore_ = (cass_iterator_next(*this) != 0u);
|
|
return hasMore_;
|
|
}
|
|
|
|
[[nodiscard]] bool
|
|
ResultIterator::hasMore() const
|
|
{
|
|
return hasMore_;
|
|
}
|
|
|
|
} // namespace data::cassandra::impl
|