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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Class: AVLTree</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Class: AVLTree</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="module-data-structures_avl-tree.html">data-structures/avl-tree</a>.</span>
AVLTree
</h2>
</header>
<article>
<div class="container-overview">
<h2>Constructor</h2>
<h4 class="name" id="AVLTree"><span class="type-signature"></span>new AVLTree<span class="signature">()</span><span class="type-signature"></span></h4>
<div class="description">
AVL Tree.
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line49">line 49</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Methods</h3>
<h4 class="name" id="_getHeightAtNode"><span class="type-signature"></span>_getHeightAtNode<span class="signature">(node)</span><span class="type-signature"></span></h4>
<div class="description">
Calculates the height of a node based on height
property of children.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>node</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">Given node's height is returned.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line61">line 61</a>
</li></ul></dd>
</dl>
<h4 class="name" id="_getNodesToRestructureInsert"><span class="type-signature"></span>_getNodesToRestructureInsert<span class="signature">(traveledNodes)</span><span class="type-signature"></span></h4>
<div class="description">
Gets the nodes to be restructured during an AVL restructure
after an insert takes place.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>traveledNodes</code></td>
<td class="type">
<span class="param-type">Array</span>
</td>
<td class="description last">Array of previously traveled nodes
that are used to help determine the nodes to be restructured.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line150">line 150</a>
</li></ul></dd>
</dl>
<h4 class="name" id="_getNodesToRestructureRemove"><span class="type-signature"></span>_getNodesToRestructureRemove<span class="signature">(traveledNodes)</span><span class="type-signature"></span></h4>
<div class="description">
Gets the nodes to be restructured during an AVL restructure
after a remove/delete takes place.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>traveledNodes</code></td>
<td class="type">
<span class="param-type">Array</span>
</td>
<td class="description last">Array of previously traveled nodes
that are used to help determine the nodes to be restructured.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line105">line 105</a>
</li></ul></dd>
</dl>
<h4 class="name" id="_isBalancedAtNode"><span class="type-signature"></span>_isBalancedAtNode<span class="signature">(node)</span><span class="type-signature"></span></h4>
<div class="description">
Checks if a given node has an imbalance.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>node</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">Given node's children are checked for
imbalance.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line83">line 83</a>
</li></ul></dd>
</dl>
<h4 class="name" id="_leftLeft"><span class="type-signature"></span>_leftLeft<span class="signature">(x, y, z)</span><span class="type-signature"></span></h4>
<div class="description">
Rotates the given nodes from a left left pattern
to a parent, with 2 children.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">node with lowest height to be restructured.</td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">parent of x parameter.</td>
</tr>
<tr>
<td class="name"><code>z</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">grandparent of x, largest height.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line286">line 286</a>
</li></ul></dd>
</dl>
<h4 class="name" id="_leftRight"><span class="type-signature"></span>_leftRight<span class="signature">(x, y, z)</span><span class="type-signature"></span></h4>
<div class="description">
Rotates the given nodes from a left right pattern
to a parent, with 2 children.
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>x</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">node with lowest height to be restructured.</td>
</tr>
<tr>
<td class="name"><code>y</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">parent of x parameter.</td>
</tr>
<tr>
<td class="name"><code>z</code></td>
<td class="type">
<span class="param-type">Node</span>
</td>
<td class="description last">grandparent of x, largest height.</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="data-structures_avl-tree.js.html">data-structures/avl-tree.js</a>, <a href="data-structures_avl-tree.js.html#line369">line 369</a>
</li></ul></dd>