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  <div class="section" id="module-pypdevsbbl.extra.queues">
<span id="pypdevsbbl-extra-queues-module"></span><h1>pypdevsbbl.extra.queues module<a class="headerlink" href="#module-pypdevsbbl.extra.queues" title="Permalink to this headline">¶</a></h1>
<p>Helper file for <a class="reference internal" href="pypdevsbbl.generic.queues.html#module-pypdevsbbl.generic.queues" title="pypdevsbbl.generic.queues"><code class="xref py py-mod docutils literal notranslate"><span class="pre">pypdevsbbl.generic.queues</span></code></a>.</p>
<p>This file contains common queueing disciplines and the element that
will be enqueued in the <a class="reference internal" href="pypdevsbbl.generic.queues.html#pypdevsbbl.generic.queues.SimpleQueue" title="pypdevsbbl.generic.queues.SimpleQueue"><code class="xref py py-class docutils literal notranslate"><span class="pre">pypdevsbbl.generic.queues.SimpleQueue</span></code></a> and
<a class="reference internal" href="pypdevsbbl.generic.queues.html#pypdevsbbl.generic.queues.Queue" title="pypdevsbbl.generic.queues.Queue"><code class="xref py py-class docutils literal notranslate"><span class="pre">pypdevsbbl.generic.queues.Queue</span></code></a> building blocks.</p>
<dl class="function">
<dt id="pypdevsbbl.extra.queues.FIFO">
<code class="descclassname">pypdevsbbl.extra.queues.</code><code class="descname">FIFO</code><span class="sig-paren">(</span><em>time</em>, <em>val</em>, <em>ix</em><span class="sig-paren">)</span><a class="headerlink" href="#pypdevsbbl.extra.queues.FIFO" title="Permalink to this definition">¶</a></dt>
<dd><p>First-In-First-Out kind of queue. This is the most commonly used one.</p>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">Keep in mind that we use a maxheap in our queue.</p>
</div>
</dd></dl>

<dl class="function">
<dt id="pypdevsbbl.extra.queues.FCFS">
<code class="descclassname">pypdevsbbl.extra.queues.</code><code class="descname">FCFS</code><span class="sig-paren">(</span><em>time</em>, <em>val</em>, <em>ix</em><span class="sig-paren">)</span><a class="headerlink" href="#pypdevsbbl.extra.queues.FCFS" title="Permalink to this definition">¶</a></dt>
<dd><p>Alias for <a class="reference internal" href="#pypdevsbbl.extra.queues.FIFO" title="pypdevsbbl.extra.queues.FIFO"><code class="xref py py-meth docutils literal notranslate"><span class="pre">FIFO()</span></code></a>.</p>
</dd></dl>

<dl class="function">
<dt id="pypdevsbbl.extra.queues.LIFO">
<code class="descclassname">pypdevsbbl.extra.queues.</code><code class="descname">LIFO</code><span class="sig-paren">(</span><em>time</em>, <em>val</em>, <em>ix</em><span class="sig-paren">)</span><a class="headerlink" href="#pypdevsbbl.extra.queues.LIFO" title="Permalink to this definition">¶</a></dt>
<dd><p>Last-In-First-Out kind of queue. This is used for stacks etc.</p>
<div class="admonition note">
<p class="first admonition-title">Note</p>
<p class="last">Keep in mind that we use a maxheap in our queue.</p>
</div>
</dd></dl>

<dl class="class">
<dt id="pypdevsbbl.extra.queues.QueueElement">
<em class="property">class </em><code class="descclassname">pypdevsbbl.extra.queues.</code><code class="descname">QueueElement</code><span class="sig-paren">(</span><em>priority</em>, <em>item</em>, <em>arrival_time</em><span class="sig-paren">)</span><a class="reference internal" href="_modules/pypdevsbbl/extra/queues.html#QueueElement"><span class="viewcode-link">[source]</span></a><a class="headerlink" href="#pypdevsbbl.extra.queues.QueueElement" title="Permalink to this definition">¶</a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<p>Simple Queue Element for storing all necessary information and doing valid comparisons.</p>
<p>Creates a special kind of tuple for enqueueing items, allowing for sorting on priorities
and remembering their arrival times (which is used for reneging).</p>
<div class="admonition warning">
<p class="first admonition-title">Warning</p>
<p class="last">This is not a DEVS building block.</p>
</div>
<table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field-odd field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first simple">
<li><strong>priority</strong> (<em>comparable</em>) – The priority of the item in the queue.</li>
<li><strong>item</strong> (<em>any</em>) – The item to enqueue.</li>
<li><strong>arrival_time</strong> (<em>numeric</em>) – (Absolute) time of arrival of the item.</li>
</ul>
</td>
</tr>
<tr class="field-even field"><th class="field-name">Variables:</th><td class="field-body"><ul class="first last simple">
<li><strong>priority</strong> (<em>comparable</em>) – The priority of the item in the queue.</li>
<li><strong>item</strong> (<em>any</em>) – The item to enqueue.</li>
<li><strong>arrival_time</strong> (<em>numeric</em>) – (Absolute) time of arrival of the item.</li>
</ul>
</td>
</tr>
</tbody>
</table>
</dd></dl>

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