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<div class="subTitle">jcgp.backend.resources</div>
<h2 title="Class Resources" class="title">Class Resources</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<ul class="inheritance">
<li>jcgp.backend.resources.Resources</li>
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<pre>public class <span class="typeNameLabel">Resources</span>
extends java.lang.Object</pre>
<div class="block">Encapsulates all of the resources based on which the program operates.
Each instance of JCGP contains a single instance of <code>Resources</code>.
<br><br>
The experiment's <code>Resources</code> object is passed to modules as the program operates, and
the actual parameter values can be obtained using getter methods. Note that, for code brevity,
this class's getters do not start with the word "get". For instance, to get the number of rows,
one would use <code>rows()</code> instead of <code>getRows()</code> which doesn't exist.
The fitness orientation of the problem being solved can also be retrieved using <code>fitnessOrientation()</code>.
Evolutionary strategies will typically use this to perform selection.
<br><br>
In addition to parameters, this class also offers utility methods. Any necessary random numbers
should be obtained using <code>getRandomInt()</code> and <code>getRandomDouble()</code> as these methods
use a particular <code>Random</code> object guaranteed to generate random numbers based on the seed
parameter. Functions from the selected function set can be obtained through this class as well.
Finally, printing to the console should be done via the resources using the report and print
methods, so that these prints also get sent to the GUI console (if one is present).</div>
<dl>
<dt><span class="simpleTagLabel">Author:</span></dt>
<dd>Eduardo Pedroni</dd>
<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../jcgp/backend/parameters/Parameter.html" title="class in jcgp.backend.parameters"><code>Parameter</code></a></dd>
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<th class="colOne" scope="col">Constructor and Description</th>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#Resources--">Resources</a></span>()</code> </td>
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<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
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<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#arity--">arity</a></span>()</code> </td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#columns--">columns</a></span>()</code> </td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#currentGeneration--">currentGeneration</a></span>()</code> </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/resources/Resources.html#currentRun--">currentRun</a></span>()</code> </td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code><a href="../../../jcgp/backend/modules/problem/BestFitness.html" title="enum in jcgp.backend.modules.problem">BestFitness</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#fitnessOrientation--">fitnessOrientation</a></span>()</code> </td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#generations--">generations</a></span>()</code> </td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code><a href="../../../jcgp/backend/function/Function.html" title="class in jcgp.backend.function">Function</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getFunction-int-">getFunction</a></span>(int index)</code>
<div class="block">Gets the indexed function out of the
complete set of functions.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getFunctionIndex-jcgp.backend.function.Function-">getFunctionIndex</a></span>(<a href="../../../jcgp/backend/function/Function.html" title="class in jcgp.backend.function">Function</a> function)</code>
<div class="block">Returns the index of a specified function.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code><a href="../../../jcgp/backend/function/FunctionSet.html" title="class in jcgp.backend.function">FunctionSet</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getFunctionSet--">getFunctionSet</a></span>()</code> </td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getRandomDouble--">getRandomDouble</a></span>()</code>
<div class="block">Gets the next random integer using the experiment's random
number generator.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getRandomDouble-int-">getRandomDouble</a></span>(int limit)</code>
<div class="block">Gets the next random double using the experiment's random
number generator.</div>
</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code><a href="../../../jcgp/backend/function/Function.html" title="class in jcgp.backend.function">Function</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getRandomFunction--">getRandomFunction</a></span>()</code>
<div class="block">Gets a random allowed function from the problem function set.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#getRandomInt-int-">getRandomInt</a></span>(int limit)</code>
<div class="block">Gets the next random integer using the experiment's random
number generator.</div>
</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#inputs--">inputs</a></span>()</code> </td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#levelsBack--">levelsBack</a></span>()</code> </td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#nodes--">nodes</a></span>()</code> </td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#outputs--">outputs</a></span>()</code> </td>
</tr>
<tr id="i17" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#populationSize--">populationSize</a></span>()</code> </td>
</tr>
<tr id="i18" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#print-java.lang.String-">print</a></span>(java.lang.String message)</code>
<div class="block">Prints a message to the consoles ignoring
report interval.</div>
</td>
</tr>
<tr id="i19" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#println-java.lang.String-">println</a></span>(java.lang.String message)</code>
<div class="block">Prints a message to the consoles ignoring
report interval.</div>
</td>
</tr>
<tr id="i20" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#report-java.lang.String-">report</a></span>(java.lang.String message)</code>
<div class="block">Prints a message to the consoles taking into account the
report interval parameter.</div>
</td>
</tr>
<tr id="i21" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#reportInterval--">reportInterval</a></span>()</code> </td>
</tr>
<tr id="i22" class="altColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#reportln-java.lang.String-">reportln</a></span>(java.lang.String message)</code>
<div class="block">Prints a message to the consoles taking into account the
report interval parameter.</div>
</td>
</tr>
<tr id="i23" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#rows--">rows</a></span>()</code> </td>
</tr>
<tr id="i24" class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#runs--">runs</a></span>()</code> </td>
</tr>
<tr id="i25" class="rowColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="../../../jcgp/backend/resources/Resources.html#seed--">seed</a></span>()</code> </td>
</tr>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>Resources</h4>
<pre>public Resources()</pre>
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<h4>rows</h4>
<pre>public int rows()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of rows.</dd>
</dl>
</li>
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<h4>columns</h4>
<pre>public int columns()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of columns.</dd>
</dl>
</li>
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<h4>inputs</h4>
<pre>public int inputs()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of inputs.</dd>
</dl>
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<h4>outputs</h4>
<pre>public int outputs()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the number of outputs.</dd>
</dl>
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</ul>
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<h4>populationSize</h4>
<pre>public int populationSize()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the population size.</dd>
</dl>
</li>
</ul>
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<h4>levelsBack</h4>
<pre>public int levelsBack()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the levels back value.</dd>
</dl>
</li>
</ul>
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<h4>nodes</h4>
<pre>public int nodes()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the total number of nodes.</dd>
</dl>
</li>
</ul>
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<h4>currentGeneration</h4>
<pre>public int currentGeneration()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current generation.</dd>
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<h4>generations</h4>
<pre>public int generations()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the total number of generations.</dd>
</dl>
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</ul>
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<h4>currentRun</h4>
<pre>public int currentRun()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the current run.</dd>
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</ul>
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<h4>runs</h4>
<pre>public int runs()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the total number of runs.</dd>
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<h4>arity</h4>
<pre>public int arity()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the maximum arity out of the function set.</dd>
</dl>
</li>
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<h4>seed</h4>
<pre>public int seed()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the random seed being used.</dd>
</dl>
</li>
</ul>
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<h4>reportInterval</h4>
<pre>public int reportInterval()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the report interval.</dd>
</dl>
</li>
</ul>
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<h4>fitnessOrientation</h4>
<pre>public <a href="../../../jcgp/backend/modules/problem/BestFitness.html" title="enum in jcgp.backend.modules.problem">BestFitness</a> fitnessOrientation()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the fitness orientation.</dd>
</dl>
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<h4>getRandomInt</h4>
<pre>public int getRandomInt(int limit)</pre>
<div class="block">Gets the next random integer using the experiment's random
number generator. The integer returned will be between 0 (inclusive)
and limit (exclusive).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>limit</code> - the limit value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a random integer between 0 and limit.</dd>
</dl>
</li>
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<h4>getRandomDouble</h4>
<pre>public double getRandomDouble(int limit)</pre>
<div class="block">Gets the next random double using the experiment's random
number generator. The double returned will be between 0 (inclusive)
and limit (exclusive).</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>limit</code> - the limit value.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a random double between 0 and limit.</dd>
</dl>
</li>
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<h4>getRandomDouble</h4>
<pre>public double getRandomDouble()</pre>
<div class="block">Gets the next random integer using the experiment's random
number generator. The integer returned will be between 0 (inclusive)
and 1 (exclusive).</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a random integer between 0 and 1.</dd>
</dl>
</li>
</ul>
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<h4>getRandomFunction</h4>
<pre>public <a href="../../../jcgp/backend/function/Function.html" title="class in jcgp.backend.function">Function</a> getRandomFunction()</pre>
<div class="block">Gets a random allowed function from the problem function set.
This function uses <code>getRandomInt()</code> to choose the random
function.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>a random allowed function.</dd>
</dl>
</li>
</ul>
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<h4>getFunction</h4>
<pre>public <a href="../../../jcgp/backend/function/Function.html" title="class in jcgp.backend.function">Function</a> getFunction(int index)</pre>
<div class="block">Gets the indexed function out of the
complete set of functions.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>index</code> - the function to return.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the indexed function.</dd>
</dl>
</li>
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<h4>getFunctionSet</h4>
<pre>public <a href="../../../jcgp/backend/function/FunctionSet.html" title="class in jcgp.backend.function">FunctionSet</a> getFunctionSet()</pre>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the problem's function set.</dd>
</dl>
</li>
</ul>
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<h4>getFunctionIndex</h4>
<pre>public int getFunctionIndex(<a href="../../../jcgp/backend/function/Function.html" title="class in jcgp.backend.function">Function</a> function)</pre>
<div class="block">Returns the index of a specified function. If the function is not found,
-1 is returned.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>function</code> - the function with unknown index.</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the index of the function, or -1 if it was not found.</dd>
</dl>
</li>
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<h4>reportln</h4>
<pre>public void reportln(java.lang.String message)</pre>
<div class="block">Prints a message to the consoles taking into account the
report interval parameter. If no reports are allowed in
the current generation, this does nothing.
<br>
This method automatically appends a line break to the message
being printed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message to print.</dd>
</dl>
</li>
</ul>
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<h4>report</h4>
<pre>public void report(java.lang.String message)</pre>
<div class="block">Prints a message to the consoles taking into account the
report interval parameter. If no reports are allowed in
the current generation, this does nothing.
<br>
This method does not append a line break to the message
being printed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message to print.</dd>
</dl>
</li>
</ul>
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<h4>println</h4>
<pre>public void println(java.lang.String message)</pre>
<div class="block">Prints a message to the consoles ignoring
report interval. In other words, messages printed
using this method will always appear (though the
GUI console will still need to be flushed).
<br>
This method automatically appends a line break to the message
being printed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message to print.</dd>
</dl>
</li>
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<h4>print</h4>
<pre>public void print(java.lang.String message)</pre>
<div class="block">Prints a message to the consoles ignoring
report interval. In other words, messages printed
using this method will always appear (though the
GUI console will still need to be flushed).
<br>
This method does not append a line break to the message
being printed.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>message</code> - the message to print.</dd>
</dl>
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