OPeNDAP Hyrax Back End Server (BES)  Updated for version 3.8.3
BESContainerStorageList.h
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1 // BESContainerStorageList.h
2 
3 // This file is part of bes, A C++ back-end server implementation framework
4 // for the OPeNDAP Data Access Protocol.
5 
6 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
7 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
8 //
9 // This library is free software; you can redistribute it and/or
10 // modify it under the terms of the GNU Lesser General Public
11 // License as published by the Free Software Foundation; either
12 // version 2.1 of the License, or (at your option) any later version.
13 //
14 // This library is distributed in the hope that it will be useful,
15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 // Lesser General Public License for more details.
18 //
19 // You should have received a copy of the GNU Lesser General Public
20 // License along with this library; if not, write to the Free Software
21 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 //
23 // You can contact University Corporation for Atmospheric Research at
24 // 3080 Center Green Drive, Boulder, CO 80301
25 
26 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
27 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
28 //
29 // Authors:
30 // pwest Patrick West <pwest@ucar.edu>
31 // jgarcia Jose Garcia <jgarcia@ucar.edu>
32 
33 #ifndef I_BESContainerStorageList_H
34 #define I_BESContainerStorageList_H 1
35 
36 #include <string>
37 
38 using std::string ;
39 
40 #include "BESObj.h"
41 
42 class BESContainerStorage ;
43 class BESContainer ;
44 class BESInfo ;
45 
46 #define PERSISTENCE_VOLATILE "default"
47 
68 {
69 private:
70  static BESContainerStorageList * _instance ;
71 
72  typedef struct _persistence_list
73  {
74  BESContainerStorage *_persistence_obj ;
75  unsigned int _reference ;
76  BESContainerStorageList::_persistence_list *_next ;
77  } persistence_list ;
78 
79  BESContainerStorageList::persistence_list *_first ;
80 
81 protected:
83 public:
84  virtual ~BESContainerStorageList() ;
85 
86  virtual bool add_persistence( BESContainerStorage *p ) ;
87  virtual bool ref_persistence( const string &persist_name ) ;
88  virtual bool deref_persistence( const string &persist_name ) ;
89  virtual BESContainerStorage *find_persistence( const string &persist_name ) ;
90  virtual bool isnice() ;
91 
92  virtual BESContainer *look_for( const string &sym_name ) ;
93 
94  virtual void show_containers( BESInfo &info ) ;
95 
96  virtual void dump( ostream &strm ) const ;
97 
99 } ;
100 
101 #endif // I_BESContainerStorageList_H
102 
provides persistent storage for data storage information represented by a container.
virtual BESContainerStorage * find_persistence(const string &persist_name)
find the persistence store with the given name
virtual bool add_persistence(BESContainerStorage *p)
Add a persistent store to the list.
virtual bool ref_persistence(const string &persist_name)
refence the specified persistent store if in the list
virtual void dump(ostream &strm) const
dumps information about this object
Base object for bes objects.
Definition: BESObj.h:52
informational response object
Definition: BESInfo.h:68
Provides a mechanism for accessing container information from different container stores registered w...
virtual bool deref_persistence(const string &persist_name)
dereference a persistent store in the list.
virtual BESContainer * look_for(const string &sym_name)
look for the specified container information in the list of persistent stores.
static BESContainerStorageList * TheList()
A container is something that holds data.
Definition: BESContainer.h:60
virtual void show_containers(BESInfo &info)
show information for each container in each persistence store