--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iro/model/pool.py	Thu Sep 27 17:15:46 2012 +0200
@@ -0,0 +1,47 @@
+# Copyright (c) 2012 netzguerilla.net <iro@netzguerilla.net>
+# 
+# This file is part of Iro.
+# 
+# Permission is hereby granted, free of charge, to any person obtaining a copy of
+# this software and associated documentation files (the "Software"), to deal in
+# the Software without restriction, including without limitation the rights to use,
+# copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+# #Software, and to permit persons to whom the Software is furnished to do so,
+# subject to the following conditions:
+# 
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+# 
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+# PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+from decorator import decorator
+import sqlalchemy
+class Data:
+    """A very simple class to save the thread pool for database requests"""
+    def __init__(self):
+        self.pool =  None
+
+data = Data()
+"""holds connection to the actual thread pool for the database requests"""
+
+def setPool(pool): 
+    """setting the thread pool"""
+    data.pool = pool
+
+@decorator
+def runInDBPool(f,*args,**kwargs):
+    """Decorator to run DB queries in Twisted's thread pool.
+    
+    If last argument is a session object, the function is called directly.
+    """
+    if isinstance(args[-1],sqlalchemy.orm.session.Session):
+        return f(*args,**kwargs)
+    else:
+        return data.pool.run(f, *args, **kwargs)
+
+