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Viewing changes to plugin/user_locks/barrier_dictionary.cc

  • Committer: Brian Aker
  • Date: 2010-11-17 21:25:31 UTC
  • mto: (1939.1.1 quick)
  • mto: This revision was merged to the branch mainline in revision 1940.
  • Revision ID: brian@tangent.org-20101117212531-va13j4xh43zuma68
First pass though barriers.

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plugin/user_locks/barrier_dictionary.cc
 
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/* - mode: c; c-basic-offset: 2; indent-tabs-mode: nil; -*-
 
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
 
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 *
 
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 *  Copyright (C) 2010 Brian Aker
 
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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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
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 */
 
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#include "config.h"
 
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#include "plugin/user_locks/module.h"
 
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#include <drizzled/atomics.h>
 
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#include <drizzled/session.h>
 
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using namespace drizzled;
 
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using namespace std;
 
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user_locks::UserBarriers::UserBarriers() :
 
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  plugin::TableFunction("DATA_DICTIONARY", "USER_BARRIERS")
 
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{
 
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  add_field("USER_BARRIERS", plugin::TableFunction::STRING, user_locks::LARGEST_LOCK_NAME, false);
 
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#if 0
 
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  add_field("SESSION_ID", plugin::TableFunction::NUMBER, 0, false);
 
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  add_field("USER_NAME", plugin::TableFunction::STRING);
 
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#endif
 
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}
 
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user_locks::UserBarriers::Generator::Generator(drizzled::Field **arg) :
 
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  drizzled::plugin::TableFunction::Generator(arg)
 
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{
 
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  user_locks::Barriers::getInstance().Copy(barrier_map);
 
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  iter= barrier_map.begin();
 
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}
 
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bool user_locks::UserBarriers::Generator::populate()
 
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{
 
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  while (iter != barrier_map.end())
 
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  {
 
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    // USER_LOCK_NAME
 
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    push((*iter).first.getLockName());
 
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#if 0
 
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    // SESSION_ID
 
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    push((*iter).second->id);
 
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    //
 
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    // USER_NAME
 
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    push((*iter).first.getUser());
 
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#endif
 
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    iter++;
 
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    return true;
 
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  }
 
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  return false;
 
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}