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/* Copyright (c) 2003, 2005, 2006 MySQL AB
Use is subject to license terms
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; version 2 of the License.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
#ifndef KEY_TABLE2_HPP
#define KEY_TABLE2_HPP
#include <DLHashTable2.hpp>
/**
* KeyTable2 is DLHashTable2 with hardcoded Uint32 key named "key".
*/
template <class T, class U>
class KeyTable2 : public DLHashTable2<T, U> {
public:
KeyTable2(ArrayPool<U>& pool) :
DLHashTable2<T, U>(pool) {
}
bool find(Ptr<T>& ptr, const T& rec) const {
return DLHashTable2<T, U>::find(ptr, rec);
}
bool find(Ptr<T>& ptr, Uint32 key) const {
T rec;
rec.key = key;
return DLHashTable2<T, U>::find(ptr, rec);
}
};
template <class T, class U>
class KeyTable2C : public KeyTable2<T, U> {
Uint32 m_count;
public:
KeyTable2C(ArrayPool<U>& pool) :
KeyTable2<T, U>(pool), m_count(0) {
}
Uint32 get_count() const { return m_count; }
bool seize(Ptr<T> & ptr) {
if (KeyTable2<T, U>::seize(ptr))
{
m_count ++;
return true;
}
return false;
}
void add(Ptr<T> & ptr) {
KeyTable2<T, U>::add(ptr);
m_count ++;
}
void remove(Ptr<T> & ptr, const T & key) {
KeyTable2<T, U>::remove(ptr, key);
if (ptr.i != RNIL)
{
assert(m_count);
m_count --;
}
}
void remove(Uint32 i) {
KeyTable2<T, U>::remove(i);
assert(m_count);
m_count --;
}
void remove(Ptr<T> & ptr) {
KeyTable2<T, U>::remove(ptr);
assert(m_count);
m_count --;
}
void removeAll() {
KeyTable2<T, U>::removeAll();
m_count = 0;
}
void release(Ptr<T> & ptr, const T & key) {
KeyTable2<T, U>::release(ptr, key);
if (ptr.i != RNIL)
{
assert(m_count);
m_count --;
}
}
void release(Uint32 i) {
KeyTable2<T, U>::release(i);
assert(m_count);
m_count --;
}
void release(Ptr<T> & ptr) {
KeyTable2<T, U>::release(ptr);
assert(m_count);
m_count --;
}
};
#endif
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