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Profiler.java
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62 lines (51 loc) · 1.71 KB
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// 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
// 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.
package com.cloud.utils;
public class Profiler {
private Long startTickInMs;
private Long stopTickInMs;
public Profiler() {
startTickInMs = null;
stopTickInMs = null;
}
public long start() {
startTickInMs = System.currentTimeMillis();
return startTickInMs.longValue();
}
public long stop() {
stopTickInMs = System.currentTimeMillis();
return stopTickInMs.longValue();
}
public long getDuration() {
if(startTickInMs != null && stopTickInMs != null)
return stopTickInMs.longValue() - startTickInMs.longValue();
return -1;
}
public boolean isStarted() {
return startTickInMs != null;
}
public boolean isStopped() {
return stopTickInMs != null;
}
public String toString() {
if(startTickInMs == null)
return "Not Started";
if(stopTickInMs == null)
return "Started but not stopped";
return "Done. Duration: " + getDuration() + "ms";
}
}