libpqxx: connectionpolicy.hxx Source File

libpqxx 4.0.1

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connectionpolicy.hxx
1 /*-------------------------------------------------------------------------
2 *
3 * FILE
4 * pqxx/connectionpolicy.hxx
5 *
6 * DESCRIPTION
7 * definition of the connection policy classes
8 * Interface for defining connection policies
9 * DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/connection instead.
10 *
11 * Copyright (c) 2005-2011, Jeroen T. Vermeulen <jtv@xs4all.nl>
12 *
13 * See COPYING for copyright license. If you did not receive a file called
14 * COPYING with this source code, please notify the distributor of this mistake,
15 * or contact the author.
16 *
17 *-------------------------------------------------------------------------
18 */
19 #ifndef PQXX_H_CONNECTIONPOLICY
20 #define PQXX_H_CONNECTIONPOLICY
21
22 #include "pqxx/compiler-public.hxx"
23 #include "pqxx/compiler-internal-pre.hxx"
24
25 #include <string>
26
27 #include "pqxx/internal/libpq-forward.hxx"
28
29
30 namespace pqxx
31 {
32
33
38
39 class PQXX_LIBEXPORT connectionpolicy
40 {
41 public:
42 typedef internal::pq::PGconn *handle;
43
44 explicit connectionpolicy(const PGSTD::string &opts);
45 virtual ~connectionpolicy() throw ();
46
47 const PGSTD::string &options() const throw () { return m_options; }
48
49 virtual handle do_startconnect(handle orig);
50 virtual handle do_completeconnect(handle orig);
51 virtual handle do_dropconnect(handle orig) throw ();
52 virtual handle do_disconnect(handle orig) throw ();
53 virtual bool is_ready(handle) const throw ();
54
55 protected:
56 handle normalconnect(handle);
57
58 private:
59 PGSTD::string m_options;
60 };
61
63 } // namespace
64
65 #include "pqxx/compiler-internal-post.hxx"
66
67 #endif
68