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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<title>Output</title>
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<div class="subTitle">jcgp.backend.population</div>
<h2 title="Class Output" class="title">Class Output</h2>
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<li>java.lang.Object</li>
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<li>jcgp.backend.population.Output</li>
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<dd><a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a></dd>
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<pre>public class <span class="typeNameLabel">Output</span>
extends java.lang.Object
implements <a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a></pre>
<div class="block">This is a chromosome output. Outputs are a special
 type of mutable element with a single connection. It
 returns the value of its single connection, but it 
 may not be connected to - it terminates a chromosome
 active connection path. 
 <br><br>
 When mutating an output, it is easiest to use <code>mutate()</code>.
 Alternatively, you may also perform a specific mutation using
 <code>setSource(...)</code>.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Eduardo Pedroni</dd>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#Output-jcgp.backend.population.Chromosome-int-">Output</a></span>(<a href="../../../jcgp/backend/population/Chromosome.html" title="class in jcgp.backend.population">Chromosome</a>&nbsp;chromosome,
      int&nbsp;index)</code>
<div class="block">Makes a new instance of <code>Output</code> with the 
 specified arguments.</div>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd">&nbsp;</span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd">&nbsp;</span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd">&nbsp;</span></span></caption>
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<td class="colFirst"><code>java.lang.Object</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#calculate--">calculate</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#copyOf-jcgp.backend.population.Mutable-">copyOf</a></span>(<a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a>&nbsp;m)</code>
<div class="block">Asserts if the specified element is a copy of the elements
 this is called on.<br>
 This method returns true if and only if:
 
 the elements being compared are not the same instance;
 the connections of the compared elements are not the same instance;
 the elements have the same function (in the case of Node);
 the grid position of the elements themselves are the same;
 the grid position of all equivalent connections are the same;
 
 <br><br>
 The relationship computed by this method is:
 
 symmetric: a.copyOf(b) == b.copyOf(a);
 not reflexive: a.copyOf(a) returns false;
 not transitive: if a.copyOf(b) is true and b.copyOf(c) is true, a.copyOf(c) is
    not necessarily true since it is possible that a == c.
 </div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#getActiveNodes-java.util.ArrayList-">getActiveNodes</a></span>(java.util.ArrayList&lt;<a href="../../../jcgp/backend/population/Node.html" title="class in jcgp.backend.population">Node</a>&gt;&nbsp;activeNodes)</code>
<div class="block">Calls <code>getActive(...)</code> on this output's
 source.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#getIndex--">getIndex</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../jcgp/backend/population/Connection.html" title="interface in jcgp.backend.population">Connection</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#getSource--">getSource</a></span>()</code>&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#mutate--">mutate</a></span>()</code>
<div class="block">This method performs an arbitrary mutation on the <code>Mutable</code>.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#setSource-jcgp.backend.population.Connection-">setSource</a></span>(<a href="../../../jcgp/backend/population/Connection.html" title="interface in jcgp.backend.population">Connection</a>&nbsp;newConnection)</code>
<div class="block">This method sets the output source to the specified connection.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Output.html#toString--">toString</a></span>()</code>&nbsp;</td>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h4>Output</h4>
<pre>public&nbsp;Output(<a href="../../../jcgp/backend/population/Chromosome.html" title="class in jcgp.backend.population">Chromosome</a>&nbsp;chromosome,
              int&nbsp;index)</pre>
<div class="block">Makes a new instance of <code>Output</code> with the 
 specified arguments.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>chromosome</code> - the chromosome this output belongs to.</dd>
<dd><code>index</code> - the output index.</dd>
</dl>
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<h4>calculate</h4>
<pre>public&nbsp;java.lang.Object&nbsp;calculate()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the value of the output's source.</dd>
</dl>
</li>
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<h4>getIndex</h4>
<pre>public&nbsp;int&nbsp;getIndex()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>this output's index.</dd>
</dl>
</li>
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<h4>setSource</h4>
<pre>public&nbsp;void&nbsp;setSource(<a href="../../../jcgp/backend/population/Connection.html" title="interface in jcgp.backend.population">Connection</a>&nbsp;newConnection)</pre>
<div class="block">This method sets the output source to the specified connection.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>newConnection</code> - the <code>Connection</code> to connect to.</dd>
</dl>
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<h4>getSource</h4>
<pre>public&nbsp;<a href="../../../jcgp/backend/population/Connection.html" title="interface in jcgp.backend.population">Connection</a>&nbsp;getSource()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the source of this output's value.</dd>
</dl>
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<h4>getActiveNodes</h4>
<pre>public&nbsp;void&nbsp;getActiveNodes(java.util.ArrayList&lt;<a href="../../../jcgp/backend/population/Node.html" title="class in jcgp.backend.population">Node</a>&gt;&nbsp;activeNodes)</pre>
<div class="block">Calls <code>getActive(...)</code> on this output's
 source. This kicks off a recursive process whereby
 all nodes connected to this output are added to the
 specified list of nodes. This is used to create a
 list of all active nodes.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>activeNodes</code> - the list to add all active nodes to.</dd>
</dl>
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<h4>copyOf</h4>
<pre>public&nbsp;boolean&nbsp;copyOf(<a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a>&nbsp;m)</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../jcgp/backend/population/Mutable.html#copyOf-jcgp.backend.population.Mutable-">Mutable</a></code></span></div>
<div class="block">Asserts if the specified element is a copy of the elements
 this is called on.<br>
 This method returns true if and only if:
 <ul>
 <li>the elements being compared are not the same instance;</li>
 <li>the connections of the compared elements are not the same instance;</li>
 <li>the elements have the same function (in the case of Node);</li>
 <li>the grid position of the elements themselves are the same;</li>
 <li>the grid position of all equivalent connections are the same;</li>
 </ul>
 <br><br>
 The relationship computed by this method is:
 <ul>
 <li>symmetric: a.copyOf(b) == b.copyOf(a);</li>
 <li>not reflexive: a.copyOf(a) returns false;</li>
 <li>not transitive: if a.copyOf(b) is true and b.copyOf(c) is true, a.copyOf(c) is
    not necessarily true since it is possible that a == c.</li>
 </ul></div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../jcgp/backend/population/Mutable.html#copyOf-jcgp.backend.population.Mutable-">copyOf</a></code>&nbsp;in interface&nbsp;<code><a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a></code></dd>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>m</code> - the mutable element to compare to.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>true if <code>element</code> is a copy of this element.</dd>
</dl>
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<h4>mutate</h4>
<pre>public&nbsp;void&nbsp;mutate()</pre>
<div class="block"><span class="descfrmTypeLabel">Description copied from interface:&nbsp;<code><a href="../../../jcgp/backend/population/Mutable.html#mutate--">Mutable</a></code></span></div>
<div class="block">This method performs an arbitrary mutation on the <code>Mutable</code>.
 <br><br>
 In the case of nodes, this chooses to mutate a function or connection
 fairly, and carries out the required mutation by using the node's own
 reference to chromosome.
 <br><br>
 In the case of outputs, this simply picks a random connection to serve
 as the source - any connection is allowed.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Specified by:</span></dt>
<dd><code><a href="../../../jcgp/backend/population/Mutable.html#mutate--">mutate</a></code>&nbsp;in interface&nbsp;<code><a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a></code></dd>
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<h4>toString</h4>
<pre>public&nbsp;java.lang.String&nbsp;toString()</pre>
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<dd><code>toString</code>&nbsp;in class&nbsp;<code>java.lang.Object</code></dd>
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