[poolifier.git] / docs / interfaces / IWorkerNode.html

<!DOCTYPE html><html class="default" lang="en"><head><meta charSet="utf-8"/><meta http-equiv="x-ua-compatible" content="IE=edge"/><title>IWorkerNode | poolifier - v2.6.35</title><meta name="description" content="Documentation for poolifier"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="../assets/style.css"/><link rel="stylesheet" href="../assets/highlight.css"/><script defer src="../assets/main.js"></script><script async src="../assets/search.js" id="tsd-search-script"></script></head><body><script>document.documentElement.dataset.theme = localStorage.getItem("tsd-theme") || "os"</script><header class="tsd-page-toolbar">
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<li><a href="IWorkerNode.html">IWorkerNode</a></li></ul>
<h1>Interface IWorkerNode&lt;Worker, Data&gt;<code class="tsd-tag ts-flagInternal">Internal</code> </h1></div>
<section class="tsd-panel tsd-comment">
<div class="tsd-comment tsd-typography"><p>Worker node interface.</p>
</div>
<div class="tsd-comment tsd-typography"></div></section> 
<section class="tsd-panel">
<h4>Type Parameters</h4>
<ul class="tsd-type-parameter-list">
<li>
<h4><span class="tsd-kind-type-parameter">Worker</span><span class="tsd-signature-symbol"> extends </span><a href="IWorker.html" class="tsd-signature-type tsd-kind-interface">IWorker</a></h4>
<div class="tsd-comment tsd-typography"><p>Type of worker.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li>
<li>
<h4><span class="tsd-kind-type-parameter">Data</span> = <span class="tsd-signature-type">unknown</span></h4>
<div class="tsd-comment tsd-typography"><p>Type of data sent to the worker. This can only be structured-cloneable data.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li></ul></section> 
<section class="tsd-panel tsd-hierarchy">
<h4>Hierarchy</h4>
<ul class="tsd-hierarchy">
<li><span class="target">IWorkerNode</span></li></ul></section><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L209">src/pools/worker.ts:209</a></li></ul></aside>
<section class="tsd-panel-group tsd-index-group">
<section class="tsd-panel tsd-index-panel">
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<div class="tsd-accordion-details">
<section class="tsd-index-section">
<h3 class="tsd-index-heading">Properties</h3>
<div class="tsd-index-list"><a href="IWorkerNode.html#clearTasksQueue" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><g id="icon-1024"><rect fill="var(--color-icon-background)" stroke="#FF984D" stroke-width="1.5" x="1" y="1" width="22" height="22" rx="12"></rect><path d="M9.354 16V7.24H12.174C12.99 7.24 13.638 7.476 14.118 7.948C14.606 8.412 14.85 9.036 14.85 9.82C14.85 10.604 14.606 11.232 14.118 11.704C13.638 12.168 12.99 12.4 12.174 12.4H10.434V16H9.354ZM10.434 11.428H12.174C12.646 11.428 13.022 11.284 13.302 10.996C13.59 10.7 13.734 10.308 13.734 9.82C13.734 9.324 13.59 8.932 13.302 8.644C13.022 8.356 12.646 8.212 12.174 8.212H10.434V11.428Z" fill="var(--color-text)"></path></g></svg><span>clear<wbr/>Tasks<wbr/>Queue</span></a>
<a href="IWorkerNode.html#closeChannel" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>close<wbr/>Channel</span></a>
<a href="IWorkerNode.html#dequeueTask" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>dequeue<wbr/>Task</span></a>
<a href="IWorkerNode.html#enqueueTask" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>enqueue<wbr/>Task</span></a>
<a href="IWorkerNode.html#getTaskFunctionWorkerUsage" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>get<wbr/>Task<wbr/>Function<wbr/>Worker<wbr/>Usage</span></a>
<a href="IWorkerNode.html#hasBackPressure" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>has<wbr/>Back<wbr/>Pressure</span></a>
<a href="IWorkerNode.html#info" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>info</span></a>
<a href="IWorkerNode.html#messageChannel" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>message<wbr/>Channel?</span></a>
<a href="IWorkerNode.html#onBackPressure" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>on<wbr/>Back<wbr/>Pressure?</span></a>
<a href="IWorkerNode.html#onEmptyQueue" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>on<wbr/>Empty<wbr/>Queue?</span></a>
<a href="IWorkerNode.html#popTask" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>pop<wbr/>Task</span></a>
<a href="IWorkerNode.html#resetUsage" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>reset<wbr/>Usage</span></a>
<a href="IWorkerNode.html#tasksQueueBackPressureSize" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>tasks<wbr/>Queue<wbr/>Back<wbr/>Pressure<wbr/>Size</span></a>
<a href="IWorkerNode.html#tasksQueueSize" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>tasks<wbr/>Queue<wbr/>Size</span></a>
<a href="IWorkerNode.html#unshiftTask" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>unshift<wbr/>Task</span></a>
<a href="IWorkerNode.html#usage" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>usage</span></a>
<a href="IWorkerNode.html#worker" class="tsd-index-link"><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>worker</span></a>
</div></section></div></details></section></section>
<section class="tsd-panel-group tsd-member-group">
<h2>Properties</h2>
<section class="tsd-panel tsd-member"><a id="clearTasksQueue" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>clear<wbr/>Tasks<wbr/>Queue</span><a href="#clearTasksQueue" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><g stroke-width="2" stroke="currentColor" fill="none" stroke-linecap="round" stroke-linejoin="round" id="icon-anchor"><path stroke="none" d="M0 0h24v24H0z" fill="none"></path><path d="M10 14a3.5 3.5 0 0 0 5 0l4 -4a3.5 3.5 0 0 0 -5 -5l-.5 .5"></path><path d="M14 10a3.5 3.5 0 0 0 -5 0l-4 4a3.5 3.5 0 0 0 5 5l.5 -.5"></path></g></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">clear<wbr/>Tasks<wbr/>Queue</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="clearTasksQueue.__type.__type-1"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Clears tasks queue.</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L278">src/pools/worker.ts:278</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="closeChannel" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>close<wbr/>Channel</span><a href="#closeChannel" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">close<wbr/>Channel</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="closeChannel.__type-2.__type-3"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Closes communication channel.</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L292">src/pools/worker.ts:292</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="dequeueTask" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>dequeue<wbr/>Task</span><a href="#dequeueTask" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">dequeue<wbr/>Task</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="dequeueTask.__type-4.__type-5"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Dequeue task.</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span></h4><p>The dequeued task.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L268">src/pools/worker.ts:268</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="enqueueTask" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>enqueue<wbr/>Task</span><a href="#enqueueTask" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">enqueue<wbr/>Task</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">task</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="enqueueTask.__type-6.__type-7"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">task</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Enqueue task.</p>
</div>
<div class="tsd-parameters">
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameter-list">
<li>
<h5><span class="tsd-kind-parameter">task</span>: <a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span></h5>
<div class="tsd-comment tsd-typography"><p>The task to queue.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li></ul></div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><p>The tasks queue size.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L255">src/pools/worker.ts:255</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="getTaskFunctionWorkerUsage" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>get<wbr/>Task<wbr/>Function<wbr/>Worker<wbr/>Usage</span><a href="#getTaskFunctionWorkerUsage" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">get<wbr/>Task<wbr/>Function<wbr/>Worker<wbr/>Usage</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">name</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="WorkerUsage.html" class="tsd-signature-type tsd-kind-interface">WorkerUsage</a><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="getTaskFunctionWorkerUsage.__type-8.__type-9"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">name</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="WorkerUsage.html" class="tsd-signature-type tsd-kind-interface">WorkerUsage</a></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Gets task function worker usage statistics.</p>
</div>
<div class="tsd-parameters">
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameter-list">
<li>
<h5><span class="tsd-kind-parameter">name</span>: <span class="tsd-signature-type">string</span></h5>
<div class="tsd-comment tsd-typography"><p>The task function name.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li></ul></div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="WorkerUsage.html" class="tsd-signature-type tsd-kind-interface">WorkerUsage</a></h4><p>The task function worker usage statistics if the task function worker usage statistics are initialized, <code>undefined</code> otherwise.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L299">src/pools/worker.ts:299</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="hasBackPressure" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>has<wbr/>Back<wbr/>Pressure</span><a href="#hasBackPressure" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">has<wbr/>Back<wbr/>Pressure</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">boolean</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="hasBackPressure.__type-10.__type-11"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">boolean</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Whether the worker node has back pressure (i.e. its tasks queue is full).</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">boolean</span></h4><p><code>true</code> if the worker node has back pressure, <code>false</code> otherwise.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L284">src/pools/worker.ts:284</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="info" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>info</span><a href="#info" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">info</span><span class="tsd-signature-symbol">:</span> <a href="WorkerInfo.html" class="tsd-signature-type tsd-kind-interface">WorkerInfo</a></div>
<div class="tsd-comment tsd-typography"><p>Worker info.</p>
</div>
<div class="tsd-comment tsd-typography"></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L217">src/pools/worker.ts:217</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="messageChannel" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagOptional">Optional</code> <code class="tsd-tag ts-flagReadonly">Readonly</code> <span>message<wbr/>Channel</span><a href="#messageChannel" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">message<wbr/>Channel</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-type ">MessageChannel</span></div>
<div class="tsd-comment tsd-typography"><p>Message channel (worker_threads only).</p>
</div>
<div class="tsd-comment tsd-typography"></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L221">src/pools/worker.ts:221</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="onBackPressure" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagOptional">Optional</code> <span>on<wbr/>Back<wbr/>Pressure</span><a href="#onBackPressure" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">on<wbr/>Back<wbr/>Pressure</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">workerId</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="onBackPressure.__type-12.__type-13"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">workerId</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Callback invoked when worker node tasks queue is back pressured.</p>
</div>
<div class="tsd-parameters">
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameter-list">
<li>
<h5><span class="tsd-kind-parameter">workerId</span>: <span class="tsd-signature-type">number</span></h5>
<div class="tsd-comment tsd-typography"><p>The worker id.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li></ul></div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L236">src/pools/worker.ts:236</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="onEmptyQueue" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagOptional">Optional</code> <span>on<wbr/>Empty<wbr/>Queue</span><a href="#onEmptyQueue" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">on<wbr/>Empty<wbr/>Queue</span><span class="tsd-signature-symbol">?:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">workerId</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="onEmptyQueue.__type-14.__type-15"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">workerId</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Callback invoked when worker node tasks queue is empty.</p>
</div>
<div class="tsd-parameters">
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameter-list">
<li>
<h5><span class="tsd-kind-parameter">workerId</span>: <span class="tsd-signature-type">number</span></h5>
<div class="tsd-comment tsd-typography"><p>The worker id.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li></ul></div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L242">src/pools/worker.ts:242</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="popTask" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>pop<wbr/>Task</span><a href="#popTask" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">pop<wbr/>Task</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="popTask.__type-16.__type-17"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Pops a task from the tasks queue.</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">undefined</span><span class="tsd-signature-symbol"> | </span><a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span></h4><p>The popped task.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L274">src/pools/worker.ts:274</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="resetUsage" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>reset<wbr/>Usage</span><a href="#resetUsage" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">reset<wbr/>Usage</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">void</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="resetUsage.__type-18.__type-19"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">void</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Resets usage statistics.</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">void</span></h4>
<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L288">src/pools/worker.ts:288</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="tasksQueueBackPressureSize" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><span>tasks<wbr/>Queue<wbr/>Back<wbr/>Pressure<wbr/>Size</span><a href="#tasksQueueBackPressureSize" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">tasks<wbr/>Queue<wbr/>Back<wbr/>Pressure<wbr/>Size</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type">number</span></div>
<div class="tsd-comment tsd-typography"><p>Tasks queue back pressure size.
This is the number of tasks that can be enqueued before the worker node has back pressure.</p>
</div>
<div class="tsd-comment tsd-typography"></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L230">src/pools/worker.ts:230</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="tasksQueueSize" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>tasks<wbr/>Queue<wbr/>Size</span><a href="#tasksQueueSize" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">tasks<wbr/>Queue<wbr/>Size</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="tasksQueueSize.__type-20.__type-21"><span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Tasks queue size.</p>
</div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><p>The tasks queue size.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L248">src/pools/worker.ts:248</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="unshiftTask" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>unshift<wbr/>Task</span><a href="#unshiftTask" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">unshift<wbr/>Task</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">task</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol"> =&gt; </span><span class="tsd-signature-type">number</span><span class="tsd-signature-symbol">)</span></div>
<div class="tsd-type-declaration">
<h4>Type declaration</h4>
<ul class="tsd-parameters">
<li class="tsd-parameter-signature">
<ul class="tsd-signatures">
<li class="tsd-signature" id="unshiftTask.__type-22.__type-23"><span class="tsd-signature-symbol">(</span><span class="tsd-kind-parameter">task</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span></li>
<li class="tsd-description">
<div class="tsd-comment tsd-typography"><p>Prepends a task to the tasks queue.</p>
</div>
<div class="tsd-parameters">
<h4 class="tsd-parameters-title">Parameters</h4>
<ul class="tsd-parameter-list">
<li>
<h5><span class="tsd-kind-parameter">task</span>: <a href="Task.html" class="tsd-signature-type tsd-kind-interface">Task</a><span class="tsd-signature-symbol">&lt;</span><span class="tsd-signature-type tsd-kind-type-parameter">Data</span><span class="tsd-signature-symbol">&gt;</span></h5>
<div class="tsd-comment tsd-typography"><p>The task to prepend.</p>
</div>
<div class="tsd-comment tsd-typography"></div></li></ul></div>
<h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><p>The tasks queue size.</p>

<div class="tsd-comment tsd-typography"></div></li></ul></li></ul></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L262">src/pools/worker.ts:262</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="usage" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><span>usage</span><a href="#usage" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">usage</span><span class="tsd-signature-symbol">:</span> <a href="WorkerUsage.html" class="tsd-signature-type tsd-kind-interface">WorkerUsage</a></div>
<div class="tsd-comment tsd-typography"><p>Worker usage statistics.</p>
</div>
<div class="tsd-comment tsd-typography"></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L225">src/pools/worker.ts:225</a></li></ul></aside></section>
<section class="tsd-panel tsd-member"><a id="worker" class="tsd-anchor"></a>
<h3 class="tsd-anchor-link"><code class="tsd-tag ts-flagReadonly">Readonly</code> <span>worker</span><a href="#worker" aria-label="Permalink" class="tsd-anchor-icon"><svg viewBox="0 0 24 24"><use href="#icon-anchor"></use></svg></a></h3>
<div class="tsd-signature"><span class="tsd-kind-property">worker</span><span class="tsd-signature-symbol">:</span> <span class="tsd-signature-type tsd-kind-type-parameter">Worker</span></div>
<div class="tsd-comment tsd-typography"><p>Worker.</p>
</div>
<div class="tsd-comment tsd-typography"></div><aside class="tsd-sources">
<ul>
<li>Defined in <a href="https://github.com/poolifier/poolifier/blob/4ede224/src/pools/worker.ts#L213">src/pools/worker.ts:213</a></li></ul></aside></section></section></div>
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<li><a href="#clearTasksQueue" class=""><svg class="tsd-kind-icon" viewBox="0 0 24 24"><use href="#icon-1024"></use></svg><span>clear<wbr/>Tasks<wbr/>Queue</span></a></li>
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