OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3
BESDefinitionStorageList.h
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00001 // BESDefinitionStorageList.h
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #ifndef I_BESDefinitionStorageList_H
00034 #define I_BESDefinitionStorageList_H 1
00035 
00036 #include <string>
00037 
00038 using std::string ;
00039 
00040 #include "BESObj.h"
00041 
00042 class BESDefinitionStorage ;
00043 class BESDefine ;
00044 class BESInfo ;
00045 
00046 #define PERSISTENCE_VOLATILE "volatile"
00047 
00064 class BESDefinitionStorageList : public BESObj
00065 {
00066 private:
00067     static BESDefinitionStorageList * _instance ;
00068 
00069     typedef struct _persistence_list
00070     {
00071         BESDefinitionStorage *_persistence_obj ;
00072         unsigned int _reference ;
00073         BESDefinitionStorageList::_persistence_list *_next ;
00074     } persistence_list ;
00075 
00076     BESDefinitionStorageList::persistence_list *_first ;
00077 protected:
00078                         BESDefinitionStorageList() ;
00079 public:
00080     virtual             ~BESDefinitionStorageList() ;
00081 
00082     virtual bool        add_persistence( BESDefinitionStorage *p ) ;
00083     virtual bool        ref_persistence( const string &persist_name ) ;
00084     virtual bool        deref_persistence( const string &persist_name ) ;
00085     virtual BESDefinitionStorage *find_persistence( const string &persist_name ) ;
00086 
00087     virtual BESDefine * look_for( const string &def_name ) ;
00088 
00089     virtual void        show_definitions( BESInfo &info ) ;
00090 
00091     virtual void        dump( ostream &strm ) const ;
00092 
00093     static BESDefinitionStorageList *TheList() ;
00094 } ;
00095 
00096 #endif // I_BESDefinitionStorageList_H
00097