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<div class="sub-title"><span class="package-label-in-type">Package</span>&nbsp;<a href="package-summary.html">org.apache.jmeter.threads</a></div>
<h1 title="Interface TestCompilerHelper" class="title">Interface TestCompilerHelper</h1>
</div>
<section class="class-description" id="class-description">
<dl class="notes">
<dt>All Known Implementing Classes:</dt>
<dd><code><a href="AbstractThreadGroup.html" title="class in org.apache.jmeter.threads">AbstractThreadGroup</a></code>, <code><a href="../control/CriticalSectionController.html" title="class in org.apache.jmeter.control">CriticalSectionController</a></code>, <code><a href="../control/ForeachController.html" title="class in org.apache.jmeter.control">ForeachController</a></code>, <code><a href="../control/GenericController.html" title="class in org.apache.jmeter.control">GenericController</a></code>, <code><a href="../control/IfController.html" title="class in org.apache.jmeter.control">IfController</a></code>, <code><a href="../control/IncludeController.html" title="class in org.apache.jmeter.control">IncludeController</a></code>, <code><a href="../control/InterleaveControl.html" title="class in org.apache.jmeter.control">InterleaveControl</a></code>, <code><a href="../control/LoopController.html" title="class in org.apache.jmeter.control">LoopController</a></code>, <code><a href="../control/ModuleController.html" title="class in org.apache.jmeter.control">ModuleController</a></code>, <code><a href="../control/OnceOnlyController.html" title="class in org.apache.jmeter.control">OnceOnlyController</a></code>, <code><a href="PostThreadGroup.html" title="class in org.apache.jmeter.threads">PostThreadGroup</a></code>, <code><a href="../protocol/http/proxy/ProxyControl.html" title="class in org.apache.jmeter.protocol.http.proxy">ProxyControl</a></code>, <code><a href="../control/RandomController.html" title="class in org.apache.jmeter.control">RandomController</a></code>, <code><a href="../control/RandomOrderController.html" title="class in org.apache.jmeter.control">RandomOrderController</a></code>, <code><a href="../protocol/http/control/RecordingController.html" title="class in org.apache.jmeter.protocol.http.control">RecordingController</a></code>, <code><a href="../control/RunTime.html" title="class in org.apache.jmeter.control">RunTime</a></code>, <code><a href="SetupThreadGroup.html" title="class in org.apache.jmeter.threads">SetupThreadGroup</a></code>, <code><a href="../control/SwitchController.html" title="class in org.apache.jmeter.control">SwitchController</a></code>, <code><a href="../control/TestFragmentController.html" title="class in org.apache.jmeter.control">TestFragmentController</a></code>, <code><a href="ThreadGroup.html" title="class in org.apache.jmeter.threads">ThreadGroup</a></code>, <code><a href="../control/ThroughputController.html" title="class in org.apache.jmeter.control">ThroughputController</a></code>, <code><a href="../control/TransactionController.html" title="class in org.apache.jmeter.control">TransactionController</a></code>, <code><a href="../control/WhileController.html" title="class in org.apache.jmeter.control">WhileController</a></code></dd>
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<div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">TestCompilerHelper</span></div>
<div class="block">Bug 53796 - TestCompiler uses static Set which can grow huge
This interface is a means to allow the pair data to be saved with the parent
instance, thus allowing it to be garbage collected when the thread completes.
This uses a bit more memory, as each controller test element includes the data
structure to contain the child element. However, there is no need to store the
parent element.</div>
<dl class="notes">
<dt>Since:</dt>
<dd>2.8</dd>
</dl>
</section>
<section class="summary">
<ul class="summary-list">
<!-- ========== METHOD SUMMARY =========== -->
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<section class="method-summary" id="method-summary">
<h2>Method Summary</h2>
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<div class="table-header col-first">Modifier and Type</div>
<div class="table-header col-second">Method</div>
<div class="table-header col-last">Description</div>
<div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div>
<div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#addTestElementOnce(org.apache.jmeter.testelement.TestElement)" class="member-name-link">addTestElementOnce</a><wbr>(org.apache.jmeter.testelement.TestElement&nbsp;child)</code></div>
<div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3">
<div class="block">Add child test element only if it has not already been added.</div>
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</li>
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</section>
<section class="details">
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<!-- ============ METHOD DETAIL ========== -->
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<h2>Method Details</h2>
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<section class="detail" id="addTestElementOnce(org.apache.jmeter.testelement.TestElement)">
<h3>addTestElementOnce</h3>
<div class="member-signature"><span class="return-type">boolean</span>&nbsp;<span class="element-name">addTestElementOnce</span><wbr><span class="parameters">(org.apache.jmeter.testelement.TestElement&nbsp;child)</span></div>
<div class="block">Add child test element only if it has not already been added.
<p>
Only for use by TestCompiler.</div>
<dl class="notes">
<dt>Parameters:</dt>
<dd><code>child</code> - the <code>TestElement</code> to be added</dd>
<dt>Returns:</dt>
<dd><code>true</code> if the child was added</dd>
</dl>
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