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<!DOCTYPE html>
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<section>
<section class="section">
<h1 id='threading' class='heading'>Threading</h1>
<p>By default, all of your requests will be put onto a background thread by <code>Alamofire</code>, and the
response will be called on the main thread. If you want your response called on a different thread, you can initialize your <code>Provider</code> with a specified <code>callbackQueue</code>:</p>
<pre class="highlight swift"><code><span class="n">provider</span> <span class="o">=</span> <span class="kt">MoyaProvider</span><span class="o"><</span><span class="kt">GitHub</span><span class="o">></span><span class="p">(</span><span class="nv">callbackQueue</span><span class="p">:</span> <span class="kt">DispatchQueue</span><span class="o">.</span><span class="nf">global</span><span class="p">(</span><span class="nv">qos</span><span class="p">:</span> <span class="o">.</span><span class="n">utility</span><span class="p">))</span>
<span class="n">provider</span><span class="o">.</span><span class="nf">request</span><span class="p">(</span><span class="o">.</span><span class="nf">userProfile</span><span class="p">(</span><span class="s">"ashfurrow"</span><span class="p">))</span> <span class="p">{</span>
<span class="cm">/* this is called on a utility thread */</span>
<span class="p">}</span>
</code></pre>
<p>Using <code><a href="rxswift.html">RxSwift</a></code> & <code><a href="reactiveswift.html">ReactiveSwift</a></code> you can achieve similar behavior using <code>observeOn(_:)</code> & <code>observe(on:)</code> operators:</p>
<h2 id='rxswift' class='heading'>RxSwift</h2>
<pre class="highlight swift"><code><span class="n">provider</span> <span class="o">=</span> <span class="kt">MoyaProvider</span><span class="o"><</span><span class="kt">GitHub</span><span class="o">></span><span class="p">()</span>
<span class="n">provider</span><span class="o">.</span><span class="n">rx</span><span class="o">.</span><span class="nf">request</span><span class="p">(</span><span class="o">.</span><span class="nf">userProfile</span><span class="p">(</span><span class="s">"ashfurrow"</span><span class="p">))</span>
<span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="cm">/* this is called on the current thread */</span> <span class="p">}</span>
<span class="o">.</span><span class="nf">observeOn</span><span class="p">(</span><span class="kt">ConcurrentDispatchQueueScheduler</span><span class="p">(</span><span class="nv">qos</span><span class="p">:</span> <span class="o">.</span><span class="n">utility</span><span class="p">))</span>
<span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="cm">/* this is called on a utility thread */</span> <span class="p">}</span>
</code></pre>
<h2 id='reactiveswift' class='heading'>ReactiveSwift</h2>
<pre class="highlight swift"><code><span class="n">provider</span> <span class="o">=</span> <span class="kt">MoyaProvider</span><span class="o"><</span><span class="kt">GitHub</span><span class="o">></span><span class="p">()</span>
<span class="n">provider</span><span class="o">.</span><span class="n">reactive</span><span class="o">.</span><span class="nf">request</span><span class="p">(</span><span class="o">.</span><span class="nf">userProfile</span><span class="p">(</span><span class="s">"ashfurrow"</span><span class="p">))</span>
<span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="cm">/* this is called on the current thread */</span> <span class="p">}</span>
<span class="o">.</span><span class="nf">observe</span><span class="p">(</span><span class="nv">on</span><span class="p">:</span> <span class="kt">QueueScheduler</span><span class="p">(</span><span class="nv">qos</span><span class="p">:</span> <span class="o">.</span><span class="n">utility</span><span class="p">))</span>
<span class="o">.</span><span class="n">map</span> <span class="p">{</span> <span class="cm">/* this is called on a utility thread */</span> <span class="p">}</span>
</code></pre>
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