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/*
* Copyright (C) 2008-2017 TrinityCore <http://www.trinitycore.org/>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "QueryCallback.h"
QueryCallbackNew::QueryCallbackNew(std::future<QueryResult>&& result) : _string(std::move(result)), _isPrepared(false)
{
}
QueryCallbackNew::QueryCallbackNew(std::future<PreparedQueryResult>&& result) : _prepared(std::move(result)), _isPrepared(true)
{
}
QueryCallbackNew::QueryCallbackNew(QueryCallbackNew&& right)
{
MoveFrom(std::move(right));
}
QueryCallbackNew& QueryCallbackNew::operator=(QueryCallbackNew&& right)
{
MoveFrom(std::move(right));
return *this;
}
QueryCallbackNew::~QueryCallbackNew()
{
DestroyCurrentMember();
}
QueryCallbackNew&& QueryCallbackNew::WithCallback(std::function<void(QueryResult)>&& callback)
{
ASSERT(!_isPrepared, "Attempted to set callback function for string query on a prepared async query");
_string.Callback = std::move(callback);
return std::move(*this);
}
QueryCallbackNew&& QueryCallbackNew::WithPreparedCallback(std::function<void(PreparedQueryResult)>&& callback)
{
ASSERT(_isPrepared, "Attempted to set callback function for prepared query on a string async query");
_prepared.Callback = std::move(callback);
return std::move(*this);
}
QueryCallbackNew::Status QueryCallbackNew::InvokeIfReady()
{
if (!_isPrepared)
{
if (_string.Result.valid() && _string.Result.wait_for(std::chrono::seconds(0)) == std::future_status::ready)
{
std::function<void(QueryResult)> cb(std::move(_string.Callback));
cb(_string.Result.get());
return !_string.Callback ? Completed : NextStep;
}
}
else
{
if (_prepared.Result.valid() && _prepared.Result.wait_for(std::chrono::seconds(0)) == std::future_status::ready)
{
std::function<void(PreparedQueryResult)> cb(std::move(_prepared.Callback));
cb(_prepared.Result.get());
return !_prepared.Callback ? Completed : NextStep;
}
}
return NotReady;
}
void QueryCallbackNew::MoveFrom(QueryCallbackNew&& other)
{
DestroyCurrentMember();
_isPrepared = other._isPrepared;
if (!_isPrepared)
_string = std::move(other._string);
else
_prepared = std::move(other._prepared);
}
void QueryCallbackNew::DestroyCurrentMember()
{
if (!_isPrepared)
_string.~String();
else
_prepared.~Prepared();
}
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