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<h1 title="Class GroupService" class="title">Class GroupService</h1>
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<div class="inheritance">com.plannaplan.services.GroupService</div>
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<pre>@Service
public class <span class="typeNameLabel">GroupService</span>
extends java.lang.Object</pre>
<div class="block">Service of GroupService which can find(optional), get(By Course, Groups
Ammount, Group By Id, find Not Existing Group), save, delete group.</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()">GroupService</a></span>()</code></th>
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<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#delete(com.plannaplan.entities.Groups)">delete</a></span>​(<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a> groups)</code></th>
<td class="colLast">
<div class="block">delete from database</div>
</td>
</tr>
<tr class="rowColor" id="i1">
<td class="colFirst"><code>java.util.Optional<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#find(int,int,java.lang.String)">find</a></span>​(int time,
int capacity,
java.lang.String room)</code></th>
<td class="colLast">
<div class="block">find group with given properties</div>
</td>
</tr>
<tr class="altColor" id="i2">
<td class="colFirst"><code>java.util.Optional<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#find(java.lang.Integer,java.lang.Integer)">find</a></span>​(java.lang.Integer zajCykId,
java.lang.Integer nrGr)</code></th>
<td class="colLast">
<div class="block">find group with given properties</div>
</td>
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<tr class="rowColor" id="i3">
<td class="colFirst"><code>java.util.Optional<java.lang.Long></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#findNotExistingGroup(java.util.List)">findNotExistingGroup</a></span>​(java.util.List<java.lang.Long> ids)</code></th>
<td class="colLast">
<div class="block">get wich of provided id is not existind groups</div>
</td>
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<tr class="altColor" id="i4">
<td class="colFirst"><code>java.util.Optional<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGroupById(java.lang.Long)">getGroupById</a></span>​(java.lang.Long id)</code></th>
<td class="colLast">
<div class="block">find group with given properties</div>
</td>
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<tr class="rowColor" id="i5">
<td class="colFirst"><code>int</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGroupsAmmount()">getGroupsAmmount</a></span>()</code></th>
<td class="colLast">
<div class="block">get hom manyh groups are in database in general</div>
</td>
</tr>
<tr class="altColor" id="i6">
<td class="colFirst"><code>java.util.List<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGroupsByCourse(java.lang.Long)">getGroupsByCourse</a></span>​(java.lang.Long id)</code></th>
<td class="colLast">
<div class="block">find group with given properties</div>
</td>
</tr>
<tr class="rowColor" id="i7">
<td class="colFirst"><code>java.util.HashMap<java.lang.Long,​java.lang.Integer></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTakenPlaces(java.util.List)">getTakenPlaces</a></span>​(java.util.List<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>> groups)</code></th>
<td class="colLast"> </td>
</tr>
<tr class="altColor" id="i8">
<td class="colFirst"><code>java.util.HashMap<java.lang.Long,​java.lang.Integer></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTakenPlacesOfAssignments(java.util.List)">getTakenPlacesOfAssignments</a></span>​(java.util.List<<a href="../entities/Assignment.html" title="class in com.plannaplan.entities">Assignment</a>> assignments)</code></th>
<td class="colLast"> </td>
</tr>
<tr class="rowColor" id="i9">
<td class="colFirst"><code><a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#save(com.plannaplan.entities.Groups)">save</a></span>​(<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a> group)</code></th>
<td class="colLast">
<div class="block">save group to database</div>
</td>
</tr>
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<h3>Methods inherited from class java.lang.Object</h3>
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<h3><a id="<init>()">GroupService</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="memberName">GroupService</span>()</div>
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<h3><a id="find(int,int,java.lang.String)">find</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.Optional<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></span> <span class="memberName">find</span>​(<span class="arguments">int time,
int capacity,
java.lang.String room)</span></div>
<div class="block">find group with given properties</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>time</code> - scheduled time for group as int of minutes passed from 00:00</dd>
<dd><code>capacity</code> - capacity of group</dd>
<dd><code>room</code> - class room</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>optional with Groups instance if found</dd>
</dl>
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<h3><a id="find(java.lang.Integer,java.lang.Integer)">find</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.Optional<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></span> <span class="memberName">find</span>​(<span class="arguments">java.lang.Integer zajCykId,
java.lang.Integer nrGr)</span></div>
<div class="block">find group with given properties</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>zajCykId</code> - proteprty from usos</dd>
<dd><code>nrGr</code> - group number</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>optional with Groups instance if found</dd>
</dl>
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<h3><a id="getGroupsByCourse(java.lang.Long)">getGroupsByCourse</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.List<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></span> <span class="memberName">getGroupsByCourse</span>​(<span class="arguments">java.lang.Long id)</span></div>
<div class="block">find group with given properties</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - course id of groups belogns to</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>list of found groups</dd>
</dl>
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<h3><a id="save(com.plannaplan.entities.Groups)">save</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType"><a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a></span> <span class="memberName">save</span>​(<span class="arguments"><a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a> group)</span></div>
<div class="block">save group to database</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>group</code> - insatnce to be saved</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>new instance that has id form database</dd>
</dl>
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<h3><a id="delete(com.plannaplan.entities.Groups)">delete</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">void</span> <span class="memberName">delete</span>​(<span class="arguments"><a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a> groups)</span></div>
<div class="block">delete from database</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>groups</code> - isntance to delete</dd>
</dl>
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<h3><a id="getGroupsAmmount()">getGroupsAmmount</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">int</span> <span class="memberName">getGroupsAmmount</span>()</div>
<div class="block">get hom manyh groups are in database in general</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>int - groups ammount</dd>
</dl>
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<h3><a id="getGroupById(java.lang.Long)">getGroupById</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.Optional<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>></span> <span class="memberName">getGroupById</span>​(<span class="arguments">java.lang.Long id)</span></div>
<div class="block">find group with given properties</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>id</code> - group id</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>optional with group if found</dd>
</dl>
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<h3><a id="findNotExistingGroup(java.util.List)">findNotExistingGroup</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.Optional<java.lang.Long></span> <span class="memberName">findNotExistingGroup</span>​(<span class="arguments">java.util.List<java.lang.Long> ids)</span></div>
<div class="block">get wich of provided id is not existind groups</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>ids</code> - list of ids to check</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>optional with id that is not group if found. If there is multiple
will be returned first found</dd>
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<h3><a id="getTakenPlacesOfAssignments(java.util.List)">getTakenPlacesOfAssignments</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.HashMap<java.lang.Long,​java.lang.Integer></span> <span class="memberName">getTakenPlacesOfAssignments</span>​(<span class="arguments">java.util.List<<a href="../entities/Assignment.html" title="class in com.plannaplan.entities">Assignment</a>> assignments)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>assignments</code> - list of assignments you want to get taken places ammount</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>HashMap of Long to Integer where Long is group id and Integer is how
many places in gorup is already taken</dd>
</dl>
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<h3><a id="getTakenPlaces(java.util.List)">getTakenPlaces</a></h3>
<div class="memberSignature"><span class="modifiers">public</span> <span class="returnType">java.util.HashMap<java.lang.Long,​java.lang.Integer></span> <span class="memberName">getTakenPlaces</span>​(<span class="arguments">java.util.List<<a href="../entities/Groups.html" title="class in com.plannaplan.entities">Groups</a>> groups)</span></div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>groups</code> - list of groups you want to get taken places ammount</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>HashMap of Long to Integer where Long is group id and Integer is how
many places in gorup is already taken</dd>
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