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  <a href="#streampipes.functions.streampipes_function.StreamPipesFunction" class="md-nav__link">
    StreamPipesFunction
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  <a href="#streampipes.functions.streampipes_function.StreamPipesFunction.add_output" class="md-nav__link">
    add_output()
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    getFunctionId()
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    onEvent()
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  <h1>Streampipes function</h1>

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


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

  
  <div class="doc doc-children">


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


<h2 id="streampipes.functions.streampipes_function.StreamPipesFunction" class="doc doc-heading">
<code class="highlight language-python"><span class="n">StreamPipesFunction</span><span class="p">(</span><span class="n">function_definition</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span></code>

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


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><span title="abc.ABC">ABC</span></code></p>

  
      <p>Abstract implementation of a StreamPipesFunction.</p>
<p>A StreamPipesFunction allows users to get the data of a StreamPipes data streams easily.
It makes it possible to work with the live data in python and enables to use the powerful
data analytics libraries there.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>function_definition</code></td>
          <td class="doc-param-details">
            <p>the definition of the function that contains metadata about the connected function</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.Optional">Optional</span>[<a class="autorefs autorefs-internal" title="streampipes.model.resource.FunctionDefinition" href="../../model/resource/function_definition/#streampipes.model.resource.function_definition.FunctionDefinition">FunctionDefinition</a>]</code>
                </span>
                <span class="doc-param-default">
                  <b>DEFAULT:</b> 
                    <code>None</code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>

  <table>
    <thead>
      <tr>
        <th><b>ATTRIBUTE</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>output_collectors</code></td>
          <td class="doc-attribute-details">
            <p>List of all output collectors which are created based on the provided function definitions.</p>
            <p>
                <span class="doc-attribute-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.Dict">Dict</span>[str, <a class="autorefs autorefs-internal" title="streampipes.functions.broker.output_collector.OutputCollector" href="../broker/output_collector/#streampipes.functions.broker.output_collector.OutputCollector">OutputCollector</a>]</code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>


  <div class="doc doc-children">


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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.add_output" class="doc doc-heading">
<code class="highlight language-python"><span class="n">add_output</span><span class="p">(</span><span class="n">stream_id</span><span class="p">,</span> <span class="n">event</span><span class="p">)</span></code>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.add_output" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Send an event via an output data stream to StreamPipes</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>stream_id</code></td>
          <td class="doc-param-details">
            <p>The id of the output data stream</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code>str</code>
                </span>
            </p>
          </td>
        </tr>
        <tr>
          <td><code>event</code></td>
          <td class="doc-param-details">
            <p>The event which should be sent</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.Dict">Dict</span>[str, <span title="typing.Any">Any</span>]</code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>

  <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>

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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.getFunctionId" class="doc doc-heading">
<code class="highlight language-python"><span class="n">getFunctionId</span><span class="p">()</span></code>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.getFunctionId" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Returns the id of the function.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <code>function_id</code>
          </td>
          <td class="doc-returns-details">
            <p>Identification object of the StreamPipes function</p>
              <p>
                <span class="doc-returns-annotation">
                  <b>TYPE:</b>
                    <code><a class="autorefs autorefs-internal" title="streampipes.model.resource.function_definition.FunctionId" href="../../model/resource/function_definition/#streampipes.model.resource.function_definition.FunctionId">FunctionId</a></code>
                </span>
              </p>
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.onEvent" class="doc doc-heading">
<code class="highlight language-python"><span class="n">onEvent</span><span class="p">(</span><span class="n">event</span><span class="p">,</span> <span class="n">streamId</span><span class="p">)</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.onEvent" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Is called for every event of a data stream.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>event</code></td>
          <td class="doc-param-details">
            <p>The received event from the data stream.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.Dict">Dict</span>[str, <span title="typing.Any">Any</span>]</code>
                </span>
            </p>
          </td>
        </tr>
        <tr>
          <td><code>streamId</code></td>
          <td class="doc-param-details">
            <p>The id of the data stream which the event belongs to.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code>str</code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>

  <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>

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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.onServiceStarted" class="doc doc-heading">
<code class="highlight language-python"><span class="n">onServiceStarted</span><span class="p">(</span><span class="n">context</span><span class="p">)</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.onServiceStarted" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Is called when the function gets started.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>context</code></td>
          <td class="doc-param-details">
            <p>The context in which the function gets started.</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code><a class="autorefs autorefs-internal" title="streampipes.functions.utils.function_context.FunctionContext" href="../utils/function_context/#streampipes.functions.utils.function_context.FunctionContext">FunctionContext</a></code>
                </span>
            </p>
          </td>
        </tr>
    </tbody>
  </table>

  <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>

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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.onServiceStopped" class="doc doc-heading">
<code class="highlight language-python"><span class="n">onServiceStopped</span><span class="p">()</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.onServiceStopped" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Is called when the function gets stopped.</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>

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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.requiredStreamIds" class="doc doc-heading">
<code class="highlight language-python"><span class="n">requiredStreamIds</span><span class="p">()</span></code>
  
  <span class="doc doc-labels">
      <small class="doc doc-label doc-label-abstractmethod"><code>abstractmethod</code></small>
  </span>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.requiredStreamIds" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Get the ids of the streams needed by the function.</p>

  <table>
    <thead>
      <tr>
        <th><b>RETURNS</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td>
              <code>stream_ids</code>
          </td>
          <td class="doc-returns-details">
            <p>List of the stream ids</p>
              <p>
                <span class="doc-returns-annotation">
                  <b>TYPE:</b>
                    <code><span title="typing.List">List</span>[str]</code>
                </span>
              </p>
          </td>
        </tr>
    </tbody>
  </table>

  </div>

</div>

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


<h3 id="streampipes.functions.streampipes_function.StreamPipesFunction.stop" class="doc doc-heading">
<code class="highlight language-python"><span class="n">stop</span><span class="p">()</span></code>

<a href="#streampipes.functions.streampipes_function.StreamPipesFunction.stop" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">
  
      <p>Stops the function and disconnects from the output streams</p>

  </div>

</div>


  </div>

  </div>

</div>


  </div>

  </div>

</div>


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