#
# 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
"""
[docs]
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
[docs]
def has_progress(self, previous_perf: '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