355 lines
9.4 KiB
C++
355 lines
9.4 KiB
C++
/*
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* Copyright (C) 2011-2012 /dev/rsa for MangosR2 <http://github.com/MangosR2>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* based on LockedQueue class from MaNGOS */
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/* written for use instead not locked std::list && std::vector */
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#ifndef LOCKEDVECTOR_H
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#define LOCKEDVECTOR_H
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#include "Common.h"
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#include <vector>
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#include <list>
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#include <assert.h>
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namespace Trinity
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{
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template <class T, class Allocator = std::allocator<T> >
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class LockedVector
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{
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public:
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typedef std::mutex LockType;
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typedef std::lock_guard<LockType> LockGuard;
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typedef LockGuard ReadGuard;
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typedef LockGuard WriteGuard;
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typedef typename std::vector<T, Allocator>::iterator iterator;
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typedef typename std::vector<T, Allocator>::const_iterator const_iterator;
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typedef typename std::vector<T, Allocator>::reverse_iterator reverse_iterator;
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typedef typename std::vector<T, Allocator>::const_reverse_iterator const_reverse_iterator;
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typedef typename std::vector<T, Allocator>::allocator_type allocator_type;
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typedef typename std::vector<T, Allocator>::value_type value_type;
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typedef typename std::vector<T, Allocator>::size_type size_type;
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typedef typename std::vector<T, Allocator>::difference_type difference_type;
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//Constructors
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explicit LockedVector(const Allocator& alloc = Allocator()) : m_storage(alloc)
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{}
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explicit LockedVector(size_type n, const T& value = T(), const Allocator& alloc = Allocator())
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: m_storage(n, value, alloc)
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{}
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virtual ~LockedVector(void)
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{
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WriteGuard Guard(GetLock());
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}
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void reserve(size_type idx)
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{
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WriteGuard Guard(GetLock());
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m_storage.reserve(idx);
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}
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// Methods
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void push_back(const T& item)
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{
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WriteGuard Guard(GetLock());
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m_storage.push_back(item);
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}
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void insert(iterator pos, size_type n, const T& u)
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{
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WriteGuard Guard(GetLock());
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m_storage.insert(pos, n, u);
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}
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template <class InputIterator>
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void insert(iterator pos, InputIterator begin, InputIterator end)
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{
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WriteGuard Guard(GetLock());
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m_storage.insert(pos, begin, end);
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}
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void pop_back()
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{
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WriteGuard Guard(GetLock());
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m_storage.pop_back();
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}
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void erase(size_type pos)
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{
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WriteGuard Guard(GetLock());
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m_storage.erase(m_storage.begin() + pos);
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}
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iterator erase(iterator itr)
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{
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WriteGuard Guard(GetLock());
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return m_storage.erase(itr);
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}
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void remove(const T& item)
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{
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erase(item);
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}
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void erase(const T& item)
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{
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WriteGuard Guard(GetLock());
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for (size_type i = 0; i < m_storage.size();)
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{
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if (item == m_storage[i])
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m_storage.erase(m_storage.begin() + i);
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else
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++i;
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}
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}
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T* find(const T& item)
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{
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ReadGuard Guard(GetLock());
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for (size_type i = 0; i < m_storage.size(); ++i)
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{
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if (item == m_storage[i])
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return &m_storage[i];
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}
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return NULL;
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}
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const T* find(const T& item) const
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{
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ReadGuard Guard(GetLock());
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for (size_type i = 0; i < m_storage.size(); ++i)
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{
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if (item == m_storage[i])
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return &m_storage[i];
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}
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return NULL;
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}
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void clear()
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{
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WriteGuard Guard(GetLock());
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m_storage.clear();
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}
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T& operator[](size_type idx)
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{
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ReadGuard Guard(GetLock());
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return m_storage[idx];
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}
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const T& operator[](size_type idx) const
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{
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ReadGuard Guard(GetLock());
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return m_storage[idx];
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}
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T& at(size_type idx)
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{
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ReadGuard Guard(GetLock());
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return m_storage.at(idx);
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}
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T& front()
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{
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ReadGuard Guard(GetLock());
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return m_storage.front();
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}
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T& back()
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{
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ReadGuard Guard(GetLock());
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return m_storage.back();
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}
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const T& front() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.front();
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}
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const T& back() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.back();
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}
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iterator begin()
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{
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ReadGuard Guard(GetLock());
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return m_storage.begin();
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}
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iterator end()
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{
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ReadGuard Guard(GetLock());
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return m_storage.end();
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}
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const_iterator begin() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.begin();
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}
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const_iterator end() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.end();
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}
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reverse_iterator rbegin()
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{
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ReadGuard Guard(GetLock());
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return m_storage.rbegin();
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}
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reverse_iterator rend()
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{
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ReadGuard Guard(GetLock());
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return m_storage.rend();
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}
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const_reverse_iterator rbegin() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.rbegin();
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}
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const_reverse_iterator rend() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.rend();
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}
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bool empty() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.empty();
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}
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size_type size() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.size();
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}
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LockedVector& operator=(const std::vector<T> &v)
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{
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clear();
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WriteGuard Guard(GetLock());
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for (typename std::vector<T>::const_iterator i = v.begin(); i != v.end(); ++i)
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{
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this->push_back(*i);
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}
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return *this;
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}
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LockedVector(const std::vector<T> &v)
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{
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WriteGuard Guard(GetLock());
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for (typename std::vector<T>::const_iterator i = v.begin(); i != v.end(); ++i)
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{
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this->push_back(*i);
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}
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}
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LockedVector& operator=(const std::list<T> &v)
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{
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clear();
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WriteGuard Guard(GetLock());
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for (typename std::list<T>::const_iterator i = v.begin(); i != v.end(); ++i)
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{
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this->push_back(*i);
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}
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return *this;
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}
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LockedVector(const std::list<T> &v)
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{
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WriteGuard Guard(GetLock());
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for (typename std::list<T>::const_iterator i = v.begin(); i != v.end(); ++i)
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{
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this->push_back(*i);
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}
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}
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LockedVector& operator=(const LockedVector<T> &v)
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{
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WriteGuard Guard(GetLock());
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ReadGuard GuardX(v.GetLock());
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m_storage = v.m_storage;
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return *this;
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}
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LockedVector(const LockedVector<T> &v)
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{
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WriteGuard Guard(GetLock());
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ReadGuard GuardX(v.GetLock());
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m_storage = v.m_storage;
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}
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void swap(LockedVector<T, Allocator>& x) noexcept
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{
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WriteGuard Guard(GetLock());
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WriteGuard GuardX(x.GetLock());
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m_storage.swap(x.m_storage);
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}
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void resize(size_type num, T def = T())
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{
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WriteGuard Guard(GetLock());
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m_storage.resize(num, def);
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}
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//Allocator
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allocator_type get_allocator() const
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{
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ReadGuard Guard(GetLock());
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return m_storage.get_allocator();
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}
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// Sort template
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template <typename C>
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void sort(C& compare)
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{
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iterator _begin = begin();
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iterator _end = end();
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WriteGuard Guard(GetLock());
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std::stable_sort(_begin, _end, compare);
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}
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LockType& GetLock() { return i_lock; }
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LockType& GetLock() const { return i_lock; }
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// may be used _ONLY_ with external locking!
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std::vector<T>& getSource()
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{
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return m_storage;
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}
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protected:
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mutable LockType i_lock;
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std::vector<T, Allocator> m_storage;
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};
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}
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#endif
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