JMeter example source code file (ConstantTimer.java)

This example JMeter source code file (ConstantTimer.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - JMeter tags/keywords

abstracttestelement, constanttimer, constanttimer, delay, io, loopiterationlistener, loopiterationlistener, non-nls-1, non-nls-1, override, serializable, string, string, timer

The JMeter ConstantTimer.java source code

/*
 * 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.jmeter.timers;

import java.io.Serializable;

import org.apache.jmeter.engine.event.LoopIterationEvent;
import org.apache.jmeter.engine.event.LoopIterationListener;
import org.apache.jmeter.testelement.AbstractTestElement;
import org.apache.jmeter.util.JMeterUtils;

/**
 * This class implements a constant timer with its own panel and fields for
 * value update and user interaction.
 *
 */
public class ConstantTimer extends AbstractTestElement implements Timer, Serializable, LoopIterationListener {

    private static final long serialVersionUID = 240L;

    public final static String DELAY = "ConstantTimer.delay"; //$NON-NLS-1$

    private long delay = 0;

    /**
     * No-arg constructor.
     */
    public ConstantTimer() {
    }

    /**
     * Set the delay for this timer.
     *
     */
    public void setDelay(String delay) {
        setProperty(DELAY, delay);
    }

    /**
     * Set the range (not used for this timer).
     *
     */
    public void setRange(double range) {
    }

    /**
     * Get the delay value for display.
     *
     * @return the delay value for display.
     */
    public String getDelay() {
        return getPropertyAsString(DELAY);
    }

    /**
     * Retrieve the range (not used for this timer).
     *
     * @return the range (always zero for this timer).
     */
    public double getRange() {
        return 0;
    }

    /**
     * Retrieve the delay to use during test execution.
     *
     * @return the delay.
     */
    public long delay() {
        return delay;
    }

    /**
     * Provide a description of this timer class.
     *
     * @return the description of this timer class.
     */
    @Override
    public String toString() {
        return JMeterUtils.getResString("constant_timer_memo"); //$NON-NLS-1$
    }

    /**
     * Gain access to any variables that have been defined.
     *
     * @see LoopIterationListener#iterationStart(LoopIterationEvent)
     */
    public void iterationStart(LoopIterationEvent event) {
        delay = getPropertyAsLong(DELAY);

    }
}