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JMeter example source code file (

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

Java - JMeter tags/keywords

controller, controller, sampler, sampler, testelement, testelement

The JMeter 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package org.apache.jmeter.control;

import org.apache.jmeter.engine.event.LoopIterationListener;
import org.apache.jmeter.samplers.Sampler;
import org.apache.jmeter.testelement.TestElement;

 * This interface is used by JMeterThread in the following manner:
 * while (running && (sampler = != null)
public interface Controller extends TestElement {
     * Delivers the next Sampler or null
     * @return org.apache.jmeter.samplers.Sampler or null
    public Sampler next();

     * Indicates whether the Controller is done delivering Samplers for the rest
     * of the test.
     * When the top-level controller returns true to JMeterThread,
     * the thread is complete.
     * @return boolean
    public boolean isDone();

     * Controllers have to notify listeners of when they begin an iteration
     * through their sub-elements.
    public void addIterationListener(LoopIterationListener listener);

     * Called to initialize a controller at the beginning of a test iteration.
    public void initialize();

Other JMeter examples (source code examples)

Here is a short list of links related to this JMeter source code file:

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