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/* - mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
*
* Copyright (C) 2011 Brian Aker
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DRIZZLED_PLUGIN_CLIENT_CACHED_H
#define DRIZZLED_PLUGIN_CLIENT_CACHED_H
#include <drizzled/plugin/client/concurrent.h>
#include <drizzled/sql/result_set.h>
#include <boost/scoped_ptr.hpp>
#include <iostream>
namespace drizzled
{
namespace plugin
{
namespace client
{
class Cached : public Concurrent
{
uint32_t column;
uint32_t max_column;
sql::ResultSet *_result_set;
public:
Cached(sql::ResultSet &rs) :
Concurrent(),
column(0),
max_column(0),
_result_set(&rs)
{
}
virtual bool sendFields(List<Item> *list)
{
List<Item>::iterator it(list->begin());
Item *item;
column= 0;
max_column= 0;
while ((item=it++))
{
SendField field;
item->make_field(&field);
max_column++;
}
_result_set->createRow();
return false;
}
virtual void sendError(drizzled::error_t error_code, const char *error_message)
{
sql::Exception tmp(error_message, error_code);
_result_set->pushException(tmp);
}
virtual void checkRowEnd(void)
{
if (++column % max_column == 0)
{
_result_set->createRow();
}
}
using Client::store;
virtual bool store(Field *from)
{
if (from->is_null())
return store();
char buff[MAX_FIELD_WIDTH];
String str(buff, sizeof(buff), &my_charset_bin);
from->val_str_internal(&str);
return store(str.ptr(), str.length());
}
virtual bool store(void)
{
_result_set->setColumnNull(currentColumn());
checkRowEnd();
return false;
}
virtual bool store(int32_t from)
{
std::string tmp;
tmp= boost::lexical_cast<std::string>(from);
_result_set->setColumn(currentColumn(), tmp);
checkRowEnd();
return false;
}
virtual bool store(uint32_t from)
{
std::string tmp;
tmp= boost::lexical_cast<std::string>(from);
_result_set->setColumn(currentColumn(), tmp);
checkRowEnd();
return false;
}
virtual bool store(int64_t from)
{
std::string tmp;
tmp= boost::lexical_cast<std::string>(from);
_result_set->setColumn(currentColumn(), tmp);
checkRowEnd();
return false;
}
virtual bool store(uint64_t from)
{
std::string tmp;
tmp= boost::lexical_cast<std::string>(from);
_result_set->setColumn(currentColumn(), tmp);
checkRowEnd();
return false;
}
virtual bool store(double from, uint32_t decimals, String *buffer)
{
buffer->set_real(from, decimals, &my_charset_bin);
return store(buffer->ptr(), buffer->length());
}
virtual bool store(const char *from, size_t length)
{
_result_set->setColumn(currentColumn(), std::string(from, length));
checkRowEnd();
return false;
}
inline uint32_t currentColumn() const
{
return column % max_column;
}
};
} /* namespace client */
} /* namespace plugin */
} /* namespace drizzled */
#endif /* DRIZZLED_PLUGIN_CLIENT_CACHED_H */
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