dokumentacja-plannaplan/dokumentacja-backendu/businesslogic/com/plannaplan/services/ExchangeService.html
Marcin Woźniak 13f492dc98
Added backedn
Signed-off-by: Marcin Woźniak <y0rune@aol.com>
2021-01-22 17:22:57 +01:00

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<h1 title="Class ExchangeService" class="title">Class ExchangeService</h1>
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<pre>@Service
public class <span class="typeNameLabel">ExchangeService</span>
extends java.lang.Object</pre>
<div class="block">Service to manage Exchanges</div>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">ExchangeService</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>java.util.Optional&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkForExchange(com.plannaplan.entities.Assignment,com.plannaplan.entities.Groups)">checkForExchange</a></span>&#8203;(<a href="../entities/Assignment.html" title="class in com.plannaplan.entities">Assignment</a>&nbsp;assignment,
<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>&nbsp;group)</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#deleteExchange(com.plannaplan.entities.Exchange)">deleteExchange</a></span>&#8203;(<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&nbsp;entity)</code></th>
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<td class="colFirst"><code>java.util.List&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getAllExchanges()">getAllExchanges</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>java.util.Optional&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getById(java.lang.Long)">getById</a></span>&#8203;(java.lang.Long&nbsp;id)</code></th>
<td class="colLast">&nbsp;</td>
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<tr class="altColor" id="i4">
<td class="colFirst"><code>java.util.List&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getByUserId(java.lang.Long)">getByUserId</a></span>&#8203;(java.lang.Long&nbsp;id)</code></th>
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<td class="colFirst"><code>java.util.List&lt;<a href="../models/MatchData.html" title="class in com.plannaplan.models">MatchData</a>&gt;</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getMatches()">getMatches</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#performExchange()">performExchange</a></span>()</code></th>
<td class="colLast">
<div class="block">method to perform Exchange algorythm.</div>
</td>
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<tr class="rowColor" id="i7">
<td class="colFirst"><code><a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#save(com.plannaplan.entities.Exchange)">save</a></span>&#8203;(<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&nbsp;exchange)</code></th>
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<h3><a id="&lt;init&gt;()">ExchangeService</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="memberName">ExchangeService</span>()</div>
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<h3><a id="save(com.plannaplan.entities.Exchange)">save</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType"><a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a></span>&nbsp;<span class="memberName">save</span>&#8203;(<span class="arguments"><a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&nbsp;exchange)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>exchange</code> - Instance to save in database</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Exchange Instance contains database id</dd>
</dl>
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<h3><a id="getById(java.lang.Long)">getById</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">java.util.Optional&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</span>&nbsp;<span class="memberName">getById</span>&#8203;(<span class="arguments">java.lang.Long&nbsp;id)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - Id of exchange in database</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Optional Exchange if found</dd>
</dl>
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<h3><a id="getAllExchanges()">getAllExchanges</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">java.util.List&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</span>&nbsp;<span class="memberName">getAllExchanges</span>()</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of all exchanges in database</dd>
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<h3><a id="getByUserId(java.lang.Long)">getByUserId</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">java.util.List&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</span>&nbsp;<span class="memberName">getByUserId</span>&#8203;(<span class="arguments">java.lang.Long&nbsp;id)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - Id of user</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>List of exchanges that belong to user</dd>
</dl>
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<h3><a id="deleteExchange(com.plannaplan.entities.Exchange)">deleteExchange</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">deleteExchange</span>&#8203;(<span class="arguments"><a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&nbsp;entity)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>entity</code> - Exchange entity which we would like to delete</dd>
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<h3><a id="checkForExchange(com.plannaplan.entities.Assignment,com.plannaplan.entities.Groups)">checkForExchange</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">java.util.Optional&lt;<a href="../entities/Exchange.html" title="class in com.plannaplan.entities">Exchange</a>&gt;</span>&nbsp;<span class="memberName">checkForExchange</span>&#8203;(<span class="arguments"><a href="../entities/Assignment.html" title="class in com.plannaplan.entities">Assignment</a>&nbsp;assignment,
<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>&nbsp;group)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>assignment</code> - Assignment to trade for</dd>
<dd><code>group</code> - Desired group</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>Optional with Exchange if exist</dd>
</dl>
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<h3><a id="performExchange()">performExchange</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">void</span>&nbsp;<span class="memberName">performExchange</span>()</div>
<div class="block">method to perform Exchange algorythm. It search for matches and swap
assignments between latests user commisions if it can be performed. After
swap we block users matches that contains switched groups. After algorythm
email is being sent to all users with information about performed exchanges</div>
</section>
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<h3><a id="getMatches()">getMatches</a></h3>
<div class="memberSignature"><span class="modifiers">public</span>&nbsp;<span class="returnType">java.util.List&lt;<a href="../models/MatchData.html" title="class in com.plannaplan.models">MatchData</a>&gt;</span>&nbsp;<span class="memberName">getMatches</span>()</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of matches found in database</dd>
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