This commit was manufactured by cvs2svn to create branch

'Release_2_1-maint'.

1 files changed, 26 insertions, 0 deletions

diff --git a/Mailman/Queue/sbcache.py b/Mailman/Queue/sbcache.py
new file mode 100644
index 00000000..9b918fc5
--- /dev/null
+++ b/Mailman/Queue/sbcache.py
@@ -0,0 +1,26 @@
+# Copyright (C) 2001,2002 by the Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+"""A factory of Switchboards with caching."""
+
+from Mailman.Queue.Switchboard import Switchboard
+
+# a mapping from queue directory to Switchboard instance
+_sbcache = {}
+
+def get_switchboard(qdir):
+    switchboard = _sbcache.setdefault(qdir, Switchboard(qdir))
+    return switchboard