+##############################################################################
+# Copyright (c) 2016 Juan Qiu and others
+# juan_ qiu@tongji.edu.cn
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+
+class ActionType:
+ ATTACKER = "attacker"
+ MONITOR = "monitor"
+ RESULTCHECKER = "resultchecker"
+ OPERATION = "operation"
+
+
+class Condition:
+ EQUAL = "eq"
+ GREATERTHAN = "gt"
+ GREATERTHANEQUAL = "gt_eq"
+ LESSTHAN = "lt"
+ LESSTHANEQUAL = "lt_eq"
+ IN = "in"