org.graylog.plugins.pipelineprocessor.simulator.PipelineInterpreterTracer Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog.plugins.pipelineprocessor.simulator;
import com.google.common.base.Stopwatch;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
public class PipelineInterpreterTracer {
private final List executionTrace;
private final Stopwatch timer;
private final SimulatorInterpreterListener simulatorInterpreterListener;
public PipelineInterpreterTracer() {
executionTrace = new ArrayList<>();
timer = Stopwatch.createUnstarted();
simulatorInterpreterListener = new SimulatorInterpreterListener(this);
}
public SimulatorInterpreterListener getSimulatorInterpreterListener() {
return simulatorInterpreterListener;
}
public List getExecutionTrace() {
return executionTrace;
}
public long took() {
return timer.elapsed(TimeUnit.MICROSECONDS);
}
public void addTrace(String message) {
executionTrace.add(PipelineInterpreterTrace.create(timer.elapsed(TimeUnit.MICROSECONDS), message));
}
public void startProcessing(String message) {
timer.start();
addTrace(message);
}
public void finishProcessing(String message) {
timer.stop();
addTrace(message);
}
}