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Session.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc (1.8.0_131) on Tue Aug 29 07:12:42 CDT 2017 -->
<title>Session</title>
<meta name="date" content="2017-08-29">
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<div class="header">
<h2 title="Class Session" class="title">Class Session</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>Session</li>
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<pre>public class <span class="typeNameLabel">Session</span>
extends java.lang.Object</pre>
<div class="block">Session class - Represents the user entered command or request with operator, operands, and calculated answer.
Collection of methods to manage the session attributes and compute and display the answer, given the user entered
operand1, operator, and operand2. The Session object represents a single, complete calculator request.
setAnswer() calls Calculator.operation() method with double operand1, String operator, double operand2
constructor: (String type, String operator) constructor for command type session
constructor: (String type, String operator, String operand1) constructor for unary session
constructor: (String type, String operator, String operand1, String operand2) constructor for binary session
***********************************************************************************************************************</div>
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<table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
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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="Session.html#Session-java.lang.String-java.lang.String-">Session</a></span>(java.lang.String type,
java.lang.String operator)</code>
<div class="block">Session(String type, String operator) - Command Session constructor.</div>
</td>
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<td class="colOne"><code><span class="memberNameLink"><a href="Session.html#Session-java.lang.String-java.lang.String-java.lang.String-">Session</a></span>(java.lang.String type,
java.lang.String operator,
java.lang.String operand1)</code>
<div class="block">Session(String type, String operator, String operand1) - Unary Session constructor.</div>
</td>
</tr>
<tr class="altColor">
<td class="colOne"><code><span class="memberNameLink"><a href="Session.html#Session-java.lang.String-java.lang.String-java.lang.String-java.lang.String-">Session</a></span>(java.lang.String type,
java.lang.String operator,
java.lang.String operand1,
java.lang.String operand2)</code>
<div class="block">Session(String type, String operator, String operand1, String operand2) - Binary Session constructor.</div>
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<h3>Method Summary</h3>
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<caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr id="i0" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#getAnswer--">getAnswer</a></span>()</code>
<div class="block">getAnswer() - Returns the current value of 'answer'.</div>
</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#getOperand1--">getOperand1</a></span>()</code>
<div class="block">getOperand1() - Returns the current value of 'operand1'.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#getOperand2--">getOperand2</a></span>()</code>
<div class="block">getOperand2() - Returns the current value of 'operand2'.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#getOperator--">getOperator</a></span>()</code>
<div class="block">getOperator() - Returns the current value of 'operator'.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#getType--">getType</a></span>()</code>
<div class="block">getType() - Returns the current value of 'type'.</div>
</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#print--">print</a></span>()</code>
<div class="block">print() - Displays the message "Created Session" * *
*************************************************************************************************************************</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#setAnswer--">setAnswer</a></span>()</code>
<div class="block">setAnswer() method - Method to calculate the Session attribute, answer, using attributes operator, operand1, and operand2.</div>
</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#setOperator-java.lang.String-">setOperator</a></span>(java.lang.String operator)</code>
<div class="block">setOperator(String operator) - Sets this.operator to the value of operator passed in as a parameter.</div>
</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="Session.html#toString--">toString</a></span>()</code>
<div class="block">toString() method - Prints a session in the correct format given it's type as either a command, or a unary or binary
calculator request.</div>
</td>
</tr>
</table>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
</ul>
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<h3>Constructor Detail</h3>
<a name="Session-java.lang.String-java.lang.String-">
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<h4>Session</h4>
<pre>public Session(java.lang.String type,
java.lang.String operator)</pre>
<div class="block">Session(String type, String operator) - Command Session constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - indicates the type of session being created.</dd>
<dd><code>operator</code> - represents a calculator command.
*************************************************************************************************************************</dd>
</dl>
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<a name="Session-java.lang.String-java.lang.String-java.lang.String-">
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<h4>Session</h4>
<pre>public Session(java.lang.String type,
java.lang.String operator,
java.lang.String operand1)</pre>
<div class="block">Session(String type, String operator, String operand1) - Unary Session constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - indicates the type of session being created.</dd>
<dd><code>operator</code> - represents a calculator command.</dd>
<dd><code>operand1</code> - value to be used in computation.
*************************************************************************************************************************</dd>
</dl>
</li>
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<h4>Session</h4>
<pre>public Session(java.lang.String type,
java.lang.String operator,
java.lang.String operand1,
java.lang.String operand2)</pre>
<div class="block">Session(String type, String operator, String operand1, String operand2) - Binary Session constructor.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>type</code> - indicates the type of session being created.</dd>
<dd><code>operator</code> - represents a calculator command.</dd>
<dd><code>operand1</code> - value to be used in computation.</dd>
<dd><code>operand2</code> - value to be used in computation.
*************************************************************************************************************************</dd>
</dl>
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<h4>setOperator</h4>
<pre>public void setOperator(java.lang.String operator)</pre>
<div class="block">setOperator(String operator) - Sets this.operator to the value of operator passed in as a parameter.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>operator</code> - indicates the type of operation to be used in computation.
*************************************************************************************************************************</dd>
</dl>
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<h4>getType</h4>
<pre>public java.lang.String getType()</pre>
<div class="block">getType() - Returns the current value of 'type'. *</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>type *
*************************************************************************************************************************</dd>
</dl>
</li>
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<a name="getOperator--">
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<h4>getOperator</h4>
<pre>public java.lang.String getOperator()</pre>
<div class="block">getOperator() - Returns the current value of 'operator'. *</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>operator *
*************************************************************************************************************************</dd>
</dl>
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<h4>getOperand1</h4>
<pre>public java.lang.String getOperand1()</pre>
<div class="block">getOperand1() - Returns the current value of 'operand1'. *</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>operand1 *
*************************************************************************************************************************</dd>
</dl>
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<h4>getOperand2</h4>
<pre>public java.lang.String getOperand2()</pre>
<div class="block">getOperand2() - Returns the current value of 'operand2'. *</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>operand2 *
*************************************************************************************************************************</dd>
</dl>
</li>
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<h4>getAnswer</h4>
<pre>public double getAnswer()</pre>
<div class="block">getAnswer() - Returns the current value of 'answer'. *</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>answer *
*************************************************************************************************************************</dd>
</dl>
</li>
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<h4>print</h4>
<pre>public void print()</pre>
<div class="block">print() - Displays the message "Created Session" * *
*************************************************************************************************************************</div>
</li>
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<a name="toString--">
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<h4>toString</h4>
<pre>public java.lang.String toString()</pre>
<div class="block">toString() method - Prints a session in the correct format given it's type as either a command, or a unary or binary
calculator request. If 'pi' was entered by the user as a number, 'pi' is used in the toString()
method as response to the user entered 'print' command.</div>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>toString</code> in class <code>java.lang.Object</code></dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>String message formated to display the saved calculator sessions.
*************************************************************************************************************************</dd>
</dl>
</li>
</ul>
<a name="setAnswer--">
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<h4>setAnswer</h4>
<pre>public double setAnswer()</pre>
<div class="block">setAnswer() method - Method to calculate the Session attribute, answer, using attributes operator, operand1, and operand2.
Calls Calculator.computation(operand1, operator, operand2) to perform the calculations and
receives the answer back as a double.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>value: double
*************************************************************************************************************************</dd>
</dl>
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