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  <h1>Common</h1>

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


<a id="streampipes.model.common"></a>
  <div class="doc doc-contents first">
  
      <p>Classes of the StreamPipes data model that are commonly shared.</p>

  
  <div class="doc doc-children">


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


<h2 id="streampipes.model.common.ApplicationLink" class="doc doc-heading">
        <code>ApplicationLink</code>


<a href="#streampipes.model.common.ApplicationLink" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of an <code>ApplicationLink</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.BaseElement" class="doc doc-heading">
        <code>BaseElement</code>


<a href="#streampipes.model.common.BaseElement" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Structure of a basic element in the StreamPipes backend</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.BasicModel" class="doc doc-heading">
        <code>BasicModel</code>


<a href="#streampipes.model.common.BasicModel" class="headerlink" title="Permanent link">&para;</a></h2>


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

  
      <p>Basic model class used for the whole Python StreamPipes data model.</p>


  <div class="doc doc-children">


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


<h3 id="streampipes.model.common.BasicModel.Config" class="doc doc-heading">
        <code>Config</code>


<a href="#streampipes.model.common.BasicModel.Config" class="headerlink" title="Permanent link">&para;</a></h3>


  <div class="doc doc-contents ">

  
      <p>Configuration class for Pydantic.
Defines alias generator to convert field names from camelCase (API) to snake_case (Python codebase).</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.EventGrounding" class="doc doc-heading">
        <code>EventGrounding</code>


<a href="#streampipes.model.common.EventGrounding" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of an <code>EventGrounding</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.EventProperty" class="doc doc-heading">
        <code>EventProperty</code>


<a href="#streampipes.model.common.EventProperty" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of an <code>EventProperty</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.EventSchema" class="doc doc-heading">
        <code>EventSchema</code>


<a href="#streampipes.model.common.EventSchema" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of an <code>EventSchema</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.MeasurementCapability" class="doc doc-heading">
        <code>MeasurementCapability</code>


<a href="#streampipes.model.common.MeasurementCapability" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of a <code>MeasurementCapability</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.MeasurementObject" class="doc doc-heading">
        <code>MeasurementObject</code>


<a href="#streampipes.model.common.MeasurementObject" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of a <code>MeasurementObject</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.TopicDefinition" class="doc doc-heading">
        <code>TopicDefinition</code>


<a href="#streampipes.model.common.TopicDefinition" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of a <code>TopicDefinition</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.TransportFormat" class="doc doc-heading">
        <code>TransportFormat</code>


<a href="#streampipes.model.common.TransportFormat" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of a <code>TransportFormat</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.TransportProtocol" class="doc doc-heading">
        <code>TransportProtocol</code>


<a href="#streampipes.model.common.TransportProtocol" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of a <code>TransportProtocol</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>

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


<h2 id="streampipes.model.common.ValueSpecification" class="doc doc-heading">
        <code>ValueSpecification</code>


<a href="#streampipes.model.common.ValueSpecification" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
      <p class="doc doc-class-bases">
        Bases: <code><a class="autorefs autorefs-internal" title="streampipes.model.common.BasicModel" href="#streampipes.model.common.BasicModel">BasicModel</a></code></p>

  
      <p>Data model of an <code>ValueSpecification</code> in compliance to the StreamPipes Backend.</p>


  <div class="doc doc-children">


  </div>

  </div>

</div>


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


<h2 id="streampipes.model.common.random_letters" class="doc doc-heading">
<code class="highlight language-python"><span class="n">random_letters</span><span class="p">(</span><span class="n">n</span><span class="p">)</span></code>

<a href="#streampipes.model.common.random_letters" class="headerlink" title="Permanent link">&para;</a></h2>


  <div class="doc doc-contents ">
  
      <p>Generates a string consisting of random letters.</p>

  <table>
    <thead>
      <tr>
        <th><b>PARAMETER</b></th>
        <th><b>DESCRIPTION</b></th>
      </tr>
    </thead>
    <tbody>
        <tr>
          <td><code>n</code></td>
          <td class="doc-param-details">
            <p>number of letters</p>
            <p>
                <span class="doc-param-annotation">
                  <b>TYPE:</b>
                    <code>int</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>
              <code>rand_str</code>
          </td>
          <td class="doc-returns-details">
            <p>String consisting of <code>n</code> random letters</p>
              <p>
                <span class="doc-returns-annotation">
                  <b>TYPE:</b>
                    <code>str</code>
                </span>
              </p>
          </td>
        </tr>
    </tbody>
  </table>

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