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<h2 title="Interface Mutable" class="title">Interface Mutable</h2>
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<dd><a href="../../../jcgp/backend/population/Node.html" title="class in jcgp.backend.population">Node</a>, <a href="../../../jcgp/backend/population/Output.html" title="class in jcgp.backend.population">Output</a></dd>
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<pre>public interface <span class="typeNameLabel">Mutable</span></pre>
<div class="block"><code>Mutable</code> declares the expected behaviour of any
part of a chromosome that is mutable, more specifically
nodes or outputs. Inputs are not mutable since they don't have
connections or functions.
<br><br>
This interface provides a way to deal with mutable elements
generically without having to specify whether they are nodes
or outputs. In this way a random mutable element can be picked and
dealt with more easily, facilitating mutations.</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Eduardo Pedroni</dd>
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<td class="colFirst"><code>boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Mutable.html#copyOf-jcgp.backend.population.Mutable-">copyOf</a></span>(<a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a> element)</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.
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/population/Mutable.html#setConnection-int-jcgp.backend.population.Connection-">setConnection</a></span>(int index,
<a href="../../../jcgp/backend/population/Connection.html" title="interface in jcgp.backend.population">Connection</a> newConnection)</code>
<div class="block">This method sets the indexed connection to the specified new connection.</div>
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<h4>setConnection</h4>
<pre>void setConnection(int index,
<a href="../../../jcgp/backend/population/Connection.html" title="interface in jcgp.backend.population">Connection</a> newConnection)</pre>
<div class="block">This method sets the indexed connection to the specified new connection.
Implementing classes may choose to ignore the given index (such as in the
case of outputs, which only have one connection).</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the connection index to set.</dd>
<dd><code>newConnection</code> - the chromosome element to connect to.</dd>
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<h4>copyOf</h4>
<pre>boolean copyOf(<a href="../../../jcgp/backend/population/Mutable.html" title="interface in jcgp.backend.population">Mutable</a> element)</pre>
<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="paramLabel">Parameters:</span></dt>
<dd><code>element</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>
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