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<h1 id="how-to-use">How to use<a class="headerlink" href="#how-to-use" title="Permanent link">&para;</a></h1>
<h2 id="previous-pages">Previous pages<a class="headerlink" href="#previous-pages" title="Permanent link">&para;</a></h2>
<ul>
<li><a href="including-in-project.html">Including in project</a></li>
</ul>
<h2 id="buildschedule"><code>buildSchedule</code><a class="headerlink" href="#buildschedule" title="Permanent link">&para;</a></h2>
<div class="admonition note">
<p class="admonition-title">Custom KronScheduler</p>
<p>
You always able to create your own scheduler. In this section will be presented different ways and examples around standard <code>CronDateTimeScheduler</code> builders <code>buildSchedule</code>. You can read about schedulers in <a href="../describing/krontabscheduler.html">KrontabScheduler</a></p>
</div>
<p>Currently, <code>buildSchedule</code> is the recommended start point for every scheduler. Usually, it is look like:</p>
<div class="language-kotlin highlight"><pre><span></span><code><span id="__span-0-1"><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a><span class="kd">val</span><span class="w"> </span><span class="nv">scheduler</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">buildSchedule</span><span class="p">(</span><span class="s">&quot;5 * * * *&quot;</span><span class="p">)</span>
</span></code></pre></div>
<p>Or:</p>
<div class="language-kotlin highlight"><pre><span></span><code><span id="__span-1-1"><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a><span class="kd">val</span><span class="w"> </span><span class="nv">scheduler</span><span class="w"> </span><span class="o">=</span><span class="w"> </span><span class="n">buildSchedule</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-2"><a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a><span class="w"> </span><span class="n">seconds</span><span class="w"> </span><span class="p">{</span>
</span><span id="__span-1-3"><a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a><span class="w"> </span><span class="n">at</span><span class="p">(</span><span class="m">5</span><span class="p">)</span>
</span><span id="__span-1-4"><a id="__codelineno-1-4" name="__codelineno-1-4" href="#__codelineno-1-4"></a><span class="w"> </span><span class="p">}</span>
</span><span id="__span-1-5"><a id="__codelineno-1-5" name="__codelineno-1-5" href="#__codelineno-1-5"></a><span class="p">}</span>
</span></code></pre></div>
<p>On the top of any <code>KronScheduler</code> currently there are several groups of extensions:</p>
<ul>
<li>Executes</li>
<li>Shortcuts</li>
<li>Flows</li>
</ul>
<h3 id="executes">Executes<a class="headerlink" href="#executes" title="Permanent link">&para;</a></h3>
<p>All executes are look like <code>do...</code>. All executes are described below:</p>
<ul>
<li><code>doOnce</code> - will get the next time for executing, delay until that time and call <code>block</code> with returning of the <code>block</code> result</li>
<li><code>doWhile</code> - will call <code>doOnce</code> while it will return <code>true</code> (that means that <code>block</code> must return <code>true</code> if it expects that next call must happen). In two words: it will run while <code>block</code> returning <code>true</code></li>
<li><code>doInfinity</code> - will call the <code>block</code> using <code>doWhile</code> with predefined returning <code>true</code>. In two words: it will call <code>block</code> while it do not throw error</li>
</ul>
<h3 id="shortcuts">Shortcuts<a class="headerlink" href="#shortcuts" title="Permanent link">&para;</a></h3>
<p>Shortcuts are the constants that are initializing in a lazy way to provide preset <code>KronScheduler</code>s. For more info about <code>KrontabScheduler</code> you can read its own <a href="../describing/krontabscheduler.html">page</a>.</p>
<ul>
<li><code>AnyTimeScheduler</code> - will always return incoming <code>DateTime</code> as next</li>
<li><code>Every*Scheduler</code> - return near * since the passed <code>relatively</code>:</li>
<li><code>EverySecondScheduler</code></li>
<li><code>EveryMinuteScheduler</code></li>
<li><code>EveryHourScheduler</code></li>
<li><code>EveryDayOfMonthScheduler</code></li>
<li><code>EveryMonthScheduler</code></li>
<li><code>EveryYearScheduler</code></li>
</ul>
<h3 id="flows">Flows<a class="headerlink" href="#flows" title="Permanent link">&para;</a></h3>
<p>Here currently there is only one extension for <code>KronScheduler</code>: <code>KronScheduler#asFlow</code>. As a result you will get <code>Flow&lt;DateTime&gt;</code> (in fact <code>SchedulerFlow</code>) which will trigger next <code>emit</code> on each not null <code>next</code> <code>DateTime</code></p>
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