--- /dev/null
+##############################################################################
+# Copyright (c) 2017 ZTE Corporation and others.
+#
+# 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
+##############################################################################
+import abc
+import six
+
+
+@six.add_metaclass(abc.ABCMeta)
+class BaseConsumer(object):
+
+ def __init__(self, conf, log):
+ self.conf = conf
+ self.log = log
+
+ @abc.abstractmethod
+ def start(self):
+ pass
+
+ @abc.abstractmethod
+ def stop(self):
+ pass
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