| # |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| # |
| |
| """ |
| performance summary for a run of nexmark query |
| """ |
| |
| |
| class NexmarkPerf(object): |
| def __init__( |
| self, |
| runtime_sec=None, |
| event_count=None, |
| event_per_sec=None, |
| result_count=None): |
| # the time difference between first seen input and the last seen result |
| self.runtime_sec = runtime_sec if runtime_sec else -1.0 |
| # the count of input event seen |
| self.event_count = event_count if event_count else -1 |
| # number of event processed per runtime_sec |
| self.event_per_sec = event_per_sec if event_per_sec else -1.0 |
| # number of result produced |
| self.result_count = result_count if result_count else -1 |
| |
| def has_progress(self, previous_perf): |
| # type: (NexmarkPerf) -> bool |
| |
| """ |
| Args: |
| previous_perf: a NexmarkPerf object to be compared to self |
| |
| Returns: |
| True if there are observed pipeline activity between self and other |
| NexmarkPerf values |
| """ |
| if (self.runtime_sec != previous_perf.runtime_sec or |
| self.event_count != previous_perf.event_count or |
| self.result_count != previous_perf.result_count): |
| return True |
| return False |
