bes  Updated for version 3.20.10
BESContextManager.h
1 // BESContextManager.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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_BESContextManager_h
34 #define I_BESContextManager_h 1
35 
36 #include <map>
37 #include <string>
38 #include <mutex>
39 
40 #include "BESObj.h"
41 
42 class BESInfo;
43 
51 class BESContextManager: public BESObj {
52 private:
53  static BESContextManager * d_instance;
54  mutable std::recursive_mutex d_cache_lock_mutex;
55 
56  static void initialize_instance();
57  static void delete_instance();
58 
59  std::map<std::string, std::string> _context_list;
60 
61 public:
63  virtual ~BESContextManager();
64 
65  typedef std::map<std::string, std::string>::const_iterator Context_citer;
66  typedef std::map<std::string, std::string>::iterator Context_iter;
67 
68  virtual void set_context(const std::string &name, const std::string &value);
69  virtual void unset_context(const std::string &name);
70  virtual std::string get_context(const std::string &name, bool &found);
71  virtual int get_context_int(const std::string &name, bool &found);
72 
73  virtual void list_context(BESInfo &info);
74 
75  virtual void dump(std::ostream &strm) const;
76 
77  static BESContextManager * TheManager();
78 };
79 
80 #endif // I_BESContextManager_h
81 
maintains the list of registered request handlers for this server
virtual void list_context(BESInfo &info)
Adds all context and their values to the given informational object.
virtual void dump(std::ostream &strm) const
dumps information about this object
virtual int get_context_int(const std::string &name, bool &found)
Get the value of the given context and return it as an integer.
virtual void set_context(const std::string &name, const std::string &value)
set context in the BES
virtual std::string get_context(const std::string &name, bool &found)
retrieve the value of the specified context from the BES
virtual void unset_context(const std::string &name)
set context in the BES
informational response object
Definition: BESInfo.h:63
top level BES object to house generic methods
Definition: BESObj.h:50