import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
private void trackIterationListeners(LinkedList<TestElement> pStack) {
    TestElement child = pStack.getLast();
    if (child instanceof LoopIterationListener) {
        ListIterator<TestElement> iter = pStack.listIterator(pStack.size());
        while (iter.hasPrevious()) {
            TestElement item = iter.previous();
            if (item == child) {
                continue;
            }
            if (item instanceof Controller) {
                TestBeanHelper.prepare(child);
                ((Controller) item).addIterationListener((LoopIterationListener) child);
                break;
            }
        }
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@SuppressWarnings("deprecation") // TestBeanHelper.prepare() is OK
private void trackIterationListeners(LinkedList<TestElement> p_stack) {
    TestElement child = p_stack.getLast();
    if (child instanceof LoopIterationListener) {
        ListIterator<TestElement> iter = p_stack.listIterator(p_stack.size());
        while (iter.hasPrevious()) {
            TestElement item = iter.previous();
            if (item == child) {
                continue;
            }
            if (item instanceof Controller) {
                TestBeanHelper.prepare(child);
                ((Controller) item).addIterationListener((LoopIterationListener) child);
                break;
            }
        }
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void addIterationListener(LoopIterationListener lis) {
    /*
     * A little hack - add each listener to the start of the list - this
     * ensures that the thread running the show is the first listener and
     * can modify certain values before other listeners are called.
     */
    iterationListeners.addFirst(lis);
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
/**
 * Remove listener
 */
@Override
public void removeIterationListener(LoopIterationListener iterationListener) {
    for (Iterator<LoopIterationListener> iterator = iterationListeners.iterator(); iterator.hasNext();) {
        LoopIterationListener listener = iterator.next();
        if(listener == iterationListener)
        {
            iterator.remove();
            break; // can only match once
        }
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
private void threadFinished(LoopIterationListener iterationListener) {
    ThreadListenerTraverser shut = new ThreadListenerTraverser(false);
    testTree.traverse(shut); // call ThreadListener.threadFinished()
    JMeterContextService.decrNumberOfThreads();
    threadGroup.decrNumberOfThreads();
    
    if (iterationListener != null) { // probably not possible, but check anyway
        threadGroupLoopController.removeIterationListener(iterationListener);
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
protected Object readResolve(){
    iterationListeners =
            new LinkedList<LoopIterationListener>();
    children = 
            TestCompiler.IS_USE_STATIC_SET ? null : new ConcurrentHashMap<TestElement, Object>();
    
    subControllersAndSamplers =
            new ArrayList<TestElement>();

    return this;
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
private void threadFinished(LoopIterationListener iterationListener) {
    ThreadListenerTraverser shut = new ThreadListenerTraverser(false);
    testTree.traverse(shut); // call ThreadListener.threadFinished()
    JMeterContextService.decrNumberOfThreads();
    threadGroup.decrNumberOfThreads();
    GuiPackage gp = GuiPackage.getInstance();
    if (gp != null){// check there is a GUI
        gp.getMainFrame().updateCounts();
    }
    if (iterationListener != null) { // probably not possible, but check anyway
        controller.removeIterationListener(iterationListener);
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void addIterationListener(LoopIterationListener listener) {
    helper.prepareBean();
    wrapped.addIterationListener(listener);
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void removeIterationListener(LoopIterationListener iterationListener) {
    wrapped.removeIterationListener(iterationListener);
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void iterationStart(LoopIterationEvent iterEvent) {
    if (wrapped instanceof LoopIterationListener) {
        ((LoopIterationListener) wrapped).iterationStart(iterEvent);
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void addIterationListener(LoopIterationListener listener) {
    prepareBean();
    wrapped.addIterationListener(listener);
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
protected void fireIterationStart() {
    LoopIterationEvent event = new LoopIterationEvent(this, getIterCount());
    for (LoopIterationListener item : iterationListeners) {
        item.iterationStart(event);
    }
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
/** {@inheritDoc} */
@Override
public void addIterationListener(LoopIterationListener lis) {
    getSamplerController().addIterationListener(lis);
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
/** {@inheritDoc} */
@Override
public void removeIterationListener(LoopIterationListener iterationListener) {
    getSamplerController().removeIterationListener(iterationListener);
}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void addIterationListener(LoopIterationListener listener) {

}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
@Override
public void removeIterationListener(LoopIterationListener iterationListener) {

}
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
/**
 * Controllers have to notify listeners of when they begin an iteration
 * through their sub-elements.
 * @param listener The {@link LoopIterationListener} to add
 */
void addIterationListener(LoopIterationListener listener);
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
/**
 * Unregister IterationListener
 * @param iterationListener {@link LoopIterationListener}
 */
void removeIterationListener(LoopIterationListener iterationListener);
 

import org.apache.jmeter.engine.event.LoopIterationListener; //导入依赖的package包/类
/**
 * Controllers have to notify listeners of when they begin an iteration
 * through their sub-elements.
 */
void addIterationListener(LoopIterationListener listener);