~drizzle-trunk/drizzle/development

/* Copyright (C) 2009 Sun Microsystems

   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 St, Fifth Floor, Boston, MA  02110-1301  USA */

#ifndef PLUGIN_GEARMAN_UDF_GMAN_DO_H

#define PLUGIN_GEARMAN_UDF_GMAN_DO_H

#include <drizzled/item/func.h>

#include <drizzled/function/str/strfunc.h>

#include <libgearman/gearman.h>

class Item_func_gman_do :public drizzled::Item_str_func

{

protected:

  typedef enum

  {

    GMAN_DO_OPTIONS_NONE=       0,

    GMAN_DO_OPTIONS_HIGH=       (1 << 0),

    GMAN_DO_OPTIONS_LOW=        (1 << 1),

    GMAN_DO_OPTIONS_BACKGROUND= (1 << 2),

    GMAN_DO_OPTIONS_CLIENT=     (1 << 3)

  } gman_do_options_t;

private:

  gman_do_options_t options;

  gearman_client_st client;

  drizzled::String buffer;

public:

  Item_func_gman_do():

    Item_str_func(),

    options(GMAN_DO_OPTIONS_NONE) {}

  Item_func_gman_do(gman_do_options_t options_arg):

    Item_str_func(),

    options(options_arg) {}

  ~Item_func_gman_do();

  void fix_length_and_dec() { max_length=10; }

  virtual const char *func_name() const{ return "gman_do"; }

  drizzled::String *val_str(drizzled::String *);

  void *realloc(size_t size);

};

class Item_func_gman_do_high :public Item_func_gman_do

{

public:

  Item_func_gman_do_high():

    Item_func_gman_do(GMAN_DO_OPTIONS_HIGH) {}

  const char *func_name() const{ return "gman_do_high"; }

};

class Item_func_gman_do_low :public Item_func_gman_do

{

public:

  Item_func_gman_do_low():

    Item_func_gman_do(GMAN_DO_OPTIONS_LOW) {}

  const char *func_name() const{ return "gman_do_low"; }

};

class Item_func_gman_do_background :public Item_func_gman_do

{

public:

  Item_func_gman_do_background():

    Item_func_gman_do(GMAN_DO_OPTIONS_BACKGROUND) {}

  const char *func_name() const{ return "gman_do_background"; }

};

class Item_func_gman_do_high_background :public Item_func_gman_do

{

public:

  Item_func_gman_do_high_background():

    Item_func_gman_do((gman_do_options_t)(GMAN_DO_OPTIONS_HIGH |

                                          GMAN_DO_OPTIONS_BACKGROUND)) {}

  const char *func_name() const{ return "gman_do_high_background"; }

};

class Item_func_gman_do_low_background :public Item_func_gman_do

{

public:

  Item_func_gman_do_low_background():

    Item_func_gman_do((gman_do_options_t)(GMAN_DO_OPTIONS_LOW |

                                         GMAN_DO_OPTIONS_BACKGROUND)) {}

  const char *func_name() const{ return "gman_do_low_background"; }

};

#endif /* PLUGIN_GEARMAN_UDF_GMAN_DO_H */