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/*
* Copyright (C) 2010 PrimeBase Technologies GmbH, Germany
*
* 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
*
* Barry Leslie
*
* 2010-05-12
*/
#ifndef PLUGIN_HELLO_EVENTS_HELLO_EVENTS_H
#define PLUGIN_HELLO_EVENTS_HELLO_EVENTS_H
#include <drizzled/plugin/event_observer.h>
namespace drizzled
{
namespace plugin
{
class HelloEvents: public EventObserver
{
public:
HelloEvents(std::string name_arg): EventObserver(name_arg), is_enabled(false), db_list(""), table_list(""){}
void registerTableEventsDo(TableShare &table_share, EventObserverList &observers);
void registerSchemaEventsDo(const std::string &db, EventObserverList &observers);
void registerSessionEventsDo(Session &session, EventObserverList &observers);
bool observeEventDo(EventData &);
// Some custom things for my plugin:
void enable() { is_enabled= true;}
void disable() { is_enabled= false;}
bool isEnabled() const
{
return is_enabled;
}
private:
bool is_enabled;
//----------------------
std::string db_list;
public:
void setDatabasesOfInterest(const char *list)
{
db_list.assign(list);
}
const char *getDatabasesOfInterest()
{
return db_list.c_str();
}
private:
bool isDatabaseInteresting(const std::string &db_name)
{
std::string list(db_list);
list.append(",");
std::string target(db_name);
target.append(",");
return (list.find(target) != std::string::npos);
}
//----------------------
std::string table_list;
public:
void setTablesOfInterest(const char *list)
{
table_list.assign(list);
}
const char *getTablesOfInterest()
{
return table_list.c_str();
}
private:
bool isTableInteresting(const std::string &table_name)
{
std::string list(table_list);
list.append(",");
std::string target(table_name);
target.append(",");
return (list.find(target) != std::string::npos);
}
//----------------------
bool isSessionInteresting(Session &)
{
/* You could filter sessions of interest based on login
* information.
*/
return true;
}
};
} /* namespace plugin */
} /* namespace drizzled */
#endif /* PLUGIN_HELLO_EVENTS_HELLO_EVENTS_H */
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