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The source code// $Header: /home/cvs/jakarta-jmeter/src/jorphan/org/apache/jorphan/timer/AbstractTimer.java,v 1.2 2004/02/11 23:57:23 sebb Exp $ /* * Copyright 2003-2004 The Apache Software Foundation. * * Licensed 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.jorphan.timer; /** * @author Jeremy Arnold * @version $Revision: 1.2 $ */ public abstract class AbstractTimer implements ITimer, ITimerConstants { /** Used to keep track of timer state. */ private int m_state; /** Timing data. */ private double m_data; /* (non-Javadoc) * @see org.apache.jorphan.timer.ITimer#start() */ public void start() { if (m_state != STATE_READY) { throw new IllegalStateException( this + ": start() must be called from READY state, " + "current state is " + STATE_NAMES[m_state]); } m_state = STATE_STARTED; m_data = getCurrentTime(); } /* (non-Javadoc) * @see org.apache.jorphan.timer.ITimer#stop() */ public void stop() { // Latch stop time in a local var before doing anything else final double data = getCurrentTime(); if (m_state != STATE_STARTED) { throw new IllegalStateException( this + ": stop() must be called from STARTED state, " + "current state is " + STATE_NAMES[m_state]); } m_data = data - m_data; m_state = STATE_STOPPED; } /* (non-Javadoc) * @see org.apache.jorphan.timer.ITimer#getDuration() */ public double getDuration() { if (m_state != STATE_STOPPED) { throw new IllegalStateException( this + ": getDuration() must be called from STOPPED state, " + "current state is " + STATE_NAMES[m_state]); } return m_data; } /* (non-Javadoc) * @see org.apache.jorphan.timer.ITimer#reset() */ public void reset() { m_state = STATE_READY; } protected abstract double getCurrentTime(); } |
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