twisted.application.service.IServiceCollection.html   [plain text]


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        Class&nbsp;IServiceCollection
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<h2 class="class">Class IServiceCollection</h2>

<pre class="base-tree">
<a href="twisted.python.components.Interface.html"><code>Interface</code></a> --+
            |
           <b>IServiceCollection</b>
</pre><br />

<hr/>

<p>Collection of services.</p>
Contain several services, and manage their start-up/shut-down. 
Services can be accessed by name if they have a name, and it is always 
possible to iterate over them.
<hr/>


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  <th colspan="2">Method Summary</th></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.application.service.IServiceCollection.html#__iter__" class="summary-sig-name"><code>__iter__</code></a>(<span class=summary-sig-arg>self</span>)</span></code>
<br />
Get an iterator over all child services</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">&nbsp;</font></td>
  <td><code><span class="summary-sig"><a href="twisted.application.service.IServiceCollection.html#addService" class="summary-sig-name"><code>addService</code></a>(<span class=summary-sig-arg>self</span>,
          <span class=summary-sig-arg>service</span>)</span></code>
<br />
Add a child service.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">        <code>IService</code> &#64;raise <code>KeyError</code>: Raised 
        if the service has no child with the given name.
</font></td>
  <td><code><span class="summary-sig"><a href="twisted.application.service.IServiceCollection.html#getServiceNamed" class="summary-sig-name"><code>getServiceNamed</code></a>(<span class=summary-sig-arg>self</span>,
          <span class=summary-sig-arg>name</span>)</span></code>
<br />
Get the child service with a given name.</td></tr>
<tr><td align="right" valign="top" width="15%"><font size="-1">        <code>Deferred</code>
</font></td>
  <td><code><span class="summary-sig"><a href="twisted.application.service.IServiceCollection.html#removeService" class="summary-sig-name"><code>removeService</code></a>(<span class=summary-sig-arg>self</span>,
          <span class=summary-sig-arg>service</span>)</span></code>
<br />
Remove a child service.</td></tr>
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<a name="__iter__"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">__iter__</span>(<span class=sig-arg>self</span>)</span>
  </h3>
  Get an iterator over all child services
  <dl><dt></dt><dd>
  </dd></dl>
</td></tr></table>

<a name="addService"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">addService</span>(<span class=sig-arg>self</span>,
          <span class=sig-arg>service</span>)</span>
  </h3>
  Add a child service.
  <dl><dt></dt><dd>
    <dl><dt><b>Parameters:</b></dt>
      <dd><code><b>service</b></code>
        <br /><i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        (type=<code>IService</code> &#64;raise 
              <code>RuntimeError</code>: Raised if the service has a 
              child with the given name.)</i>
      </dd>
    </dl>
  </dd></dl>
</td></tr></table>

<a name="getServiceNamed"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">getServiceNamed</span>(<span class=sig-arg>self</span>,
          <span class=sig-arg>name</span>)</span>
  </h3>
  Get the child service with a given name.
  <dl><dt></dt><dd>
    <dl><dt><b>Parameters:</b></dt>
      <dd><code><b>name</b></code>
        <br /><i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        (type=<code>str</code>)</i>
      </dd>
    </dl>
    <dl><dt><b>Returns:</b></dt>
      <dd>
        <code>IService</code> &#64;raise <code>KeyError</code>: Raised 
        if the service has no child with the given name.
      </dd>
    </dl>
  </dd></dl>
</td></tr></table>

<a name="removeService"></a>
<table width="100%" class="func-details" bgcolor="#e0e0e0"><tr><td>
  <h3><span class="sig"><span class="sig-name">removeService</span>(<span class=sig-arg>self</span>,
          <span class=sig-arg>service</span>)</span>
  </h3>
  Remove a child service.
  <dl><dt></dt><dd>
    <dl><dt><b>Parameters:</b></dt>
      <dd><code><b>service</b></code>
        <br /><i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        (type=<code>IService</code> &#64;raise 
              <code>ValueError</code>: Raised if the given service is not 
              a child.)</i>
      </dd>
    </dl>
    <dl><dt><b>Returns:</b></dt>
      <dd>
        a deferred which is triggered when the service has finished 
        shutting down. If shutting down is immediate, a value can be 
        returned (usually, None).
        <br /><i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
        (type=<code>Deferred</code>)</i>
      </dd>
    </dl>
  </dd></dl>
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