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+# Copyright 2015 Intel Corporation.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+"""IResult interface definition.
+"""
+
+class IResults(object):
+ """Abstract class defining an interface for gathering results
+ """
+ def print_results(self):
+ """Prints gathered results to screen.
+ """
+ raise NotImplementedError("This class does not implement the" \
+ " \"print_results\" function.")
+
+ def get_results(self):
+ """Returns gathered results as a list of dictionaries.
+
+ Each list element represents one record of data.
+
+ :return: Results dictionary
+ - key: Column name
+ - value: Column value.
+ """
+ raise NotImplementedError("This class does not implement the" \
+ " \"get_results\" function.")