/**
* 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.
*/
package org.apache.hive.hplsql;
public class Timer {
long start = 0;
long stop = 0;
long elapsed = 0;
/**
* Start the timer
*/
public long start() {
start = System.currentTimeMillis();
return start;
}
/**
* Get intermediate timer value
*/
public long current() {
return System.currentTimeMillis();
}
/**
* Stop the timer and return elapsed time
*/
public long stop() {
stop = System.currentTimeMillis();
elapsed = stop - start;
return elapsed;
}
/**
* Format the elapsed time
*/
public String format() {
if (elapsed < 1000) {
return String.valueOf(elapsed) + " ms";
}
return String.format("%.2f", ((float)elapsed)/1000) + " sec";
}
}