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  <h1>Function handler</h1>

<div class="doc doc-object doc-module">


<a id="streampipes.functions.function_handler"></a>
  <div class="doc doc-contents first">

  
  <div class="doc doc-children">


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<h2 id="streampipes.functions.function_handler.FunctionHandler" class="doc doc-heading">
<code class="highlight language-python"><span class="n">FunctionHandler</span><span class="p">(</span><span class="n">registration</span><span class="p">,</span> <span class="n">client</span><span class="p">)</span></code>

<a href="#streampipes.functions.function_handler.FunctionHandler" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">

  
      <p>The function handler manages the StreamPipesFunctions.
It controls the connection to the brokers, starts the functions, manages the broadcast of the live data
and is able to stop the connection to the brokers and functions.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>registration</code></td>
          <td class="doc-param-details">
            <p>The registration, that contains the StreamPipesFunctions.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><a class="autorefs autorefs-internal" title="streampipes.functions.registration.Registration" href="../registration/#streampipes.functions.registration.Registration">Registration</a></code>
                </span>
            </p>
          </td>
        </tr>
        <tr>
          <td><code>client</code></td>
          <td class="doc-param-details">
            <p>The client to interact with the API.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><a class="autorefs autorefs-internal" title="streampipes.client.client.StreamPipesClient" href="../../client/client/#streampipes.client.client.StreamPipesClient">StreamPipesClient</a></code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>


  <div class="doc doc-children">


<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.function_handler.FunctionHandler.disconnect" class="doc doc-heading">
<code class="highlight language-python"><span class="n">disconnect</span><span class="p">()</span></code>

<a href="#streampipes.functions.function_handler.FunctionHandler.disconnect" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Disconnects from the brokers and stops the functions.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

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<h3 id="streampipes.functions.function_handler.FunctionHandler.force_stop_functions" class="doc doc-heading">
<code class="highlight language-python"><span class="n">force_stop_functions</span><span class="p">()</span></code>

<a href="#streampipes.functions.function_handler.FunctionHandler.force_stop_functions" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Stops the StreamPipesFunctions when the event loop was stopped without stopping the functions.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  <table>
    <thead>
      <tr>
        <th><b>RAISES</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
            <span class="doc-raises-annotation">
                <code>UserWarning</code>
            </span>
          </td>
          <td class="doc-raises-details">
            <p>If there is a running event loop and the functions should be stopped by disconnecting from the broker.</p>
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

<div class="doc doc-object doc-function">


<h3 id="streampipes.functions.function_handler.FunctionHandler.initializeFunctions" class="doc doc-heading">
<code class="highlight language-python"><span class="n">initializeFunctions</span><span class="p">()</span></code>

<a href="#streampipes.functions.function_handler.FunctionHandler.initializeFunctions" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Creates the context for every data stream and starts the event loop to manage the StreamPipesFunctions.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <span class="doc-returns-annotation">
                  <code>None</code>
              </span>
          </td>
          <td class="doc-returns-details">
            
          </td>
        </tr>
    </tbody>
  </table>

  </div>

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