| package org.apache.cassandra.stress.report; |
| /* |
| * |
| * 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. |
| * |
| */ |
| |
| |
| import org.apache.cassandra.stress.StressAction.MeasurementSink; |
| |
| import static org.apache.cassandra.utils.Clock.Global.nanoTime; |
| |
| // a timer - this timer must be used by a single thread, and co-ordinates with other timers by |
| public final class Timer |
| { |
| private final String opType; |
| private final MeasurementSink sink; |
| |
| // event timing info |
| private long intendedTimeNs; |
| private long startTimeNs; |
| |
| public Timer(String opType, MeasurementSink sink) |
| { |
| this.opType = opType; |
| this.sink = sink; |
| } |
| |
| |
| public void stop(long partitionCount, long rowCount, boolean error) |
| { |
| sink.record(opType, intendedTimeNs, startTimeNs, nanoTime(), rowCount, partitionCount, error); |
| resetTimes(); |
| } |
| |
| private void resetTimes() |
| { |
| intendedTimeNs = startTimeNs = 0; |
| } |
| |
| public void intendedTimeNs(long v) |
| { |
| intendedTimeNs = v; |
| } |
| |
| public void start() |
| { |
| startTimeNs = nanoTime(); |
| } |
| } |