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authorBoris Kolpackov <boris@codesynthesis.com>2011-03-22 16:22:06 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2011-03-22 16:22:06 +0200
commitbe5909a7fc240c007bb0128353d493af947a8749 (patch)
tree84f4e6488adcde96e5e41a691c191035da6e92c1 /odb/sqlite/object-statements.ixx
parent878a448f86ddd60e5eb7778e88edd965003ea480 (diff)
Add object and container statement caches
Diffstat (limited to 'odb/sqlite/object-statements.ixx')
-rw-r--r--odb/sqlite/object-statements.ixx54
1 files changed, 54 insertions, 0 deletions
diff --git a/odb/sqlite/object-statements.ixx b/odb/sqlite/object-statements.ixx
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+// file : odb/sqlite/object-statements.ixx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+namespace odb
+{
+ namespace sqlite
+ {
+ //
+ // auto_lock
+ //
+ template <typename T>
+ inline object_statements<T>::auto_lock::
+ auto_lock (object_statements& s)
+ : s_ (s)
+ {
+ if (!s_.locked ())
+ {
+ s_.lock ();
+ locked_ = true;
+ }
+ else
+ locked_ = false;
+ }
+
+ template <typename T>
+ inline object_statements<T>::auto_lock::
+ ~auto_lock ()
+ {
+ if (locked_)
+ {
+ s_.unlock ();
+ s_.clear_delayed ();
+ }
+ }
+
+ template <typename T>
+ inline bool object_statements<T>::auto_lock::
+ locked () const
+ {
+ return locked_;
+ }
+
+ template <typename T>
+ inline void object_statements<T>::auto_lock::
+ unlock ()
+ {
+ assert (locked_);
+ s_.unlock ();
+ locked_ = false;
+ }
+ }
+}