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/*
Copyright (C) 2011 Stewart Smith
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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <drizzled/plugin/table_function.h>
#include <drizzled/plugin/function.h>
#include <drizzled/item/func.h>
#include "engine_state_history.h"
#include <string>
#include <vector>
using namespace std;
using namespace drizzled;
std::vector<std::string> engine_state_history;
class EngineStateHistory : public drizzled::plugin::TableFunction
{
public:
EngineStateHistory();
EngineStateHistory(const char *table_arg) :
drizzled::plugin::TableFunction("data_dictionary", table_arg)
{ }
~EngineStateHistory() {}
class Generator : public drizzled::plugin::TableFunction::Generator
{
private:
std::vector<std::string>::iterator it;
public:
Generator(drizzled::Field **arg);
~Generator();
bool populate();
};
EngineStateHistory::Generator *generator(drizzled::Field **arg)
{
return new Generator(arg);
}
};
EngineStateHistory::EngineStateHistory() :
plugin::TableFunction("DATA_DICTIONARY", "SEAPITESTER_ENGINE_STATE_HISTORY")
{
add_field("STATE");
}
EngineStateHistory::Generator::Generator(Field **arg) :
plugin::TableFunction::Generator(arg)
{
it= engine_state_history.begin();
}
EngineStateHistory::Generator::~Generator()
{
}
bool EngineStateHistory::Generator::populate()
{
if (engine_state_history.empty())
return false;
if (it == engine_state_history.end())
return false; // No more rows
push(*it);
it++;
return true;
}
class ClearEngineStateHistoryFunction :public Item_int_func
{
public:
int64_t val_int();
ClearEngineStateHistoryFunction() :Item_int_func()
{
unsigned_flag= true;
}
const char *func_name() const
{
return "seapitester_clear_engine_state_history";
}
void fix_length_and_dec()
{
max_length= 10;
}
bool check_argument_count(int n)
{
return (n == 0);
}
};
extern uint64_t next_cursor_id;
int64_t ClearEngineStateHistoryFunction::val_int()
{
engine_state_history.clear();
null_value= false;
next_cursor_id= 0;
return 0;
}
int engine_state_history_table_initialize(drizzled::module::Context &context)
{
context.add(new EngineStateHistory);
context.add(new plugin::Create_function<ClearEngineStateHistoryFunction>("SEAPITESTER_CLEAR_ENGINE_STATE_HISTORY"));
return 0;
}
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