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