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 <div class="subTitle">org.osgi.service.cm</div>
 <h2 title="Interface ManagedService" class="title">Interface ManagedService</h2>
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 <pre>public interface <span class="strong">ManagedService</span></pre>
 <div class="block">A service that can receive configuration data from a Configuration Admin
  service.

  <p>
  A Managed Service is a service that needs configuration data. Such an object
  should be registered with the Framework registry with the
  <code>service.pid</code> property set to some unique identifier called a
  PID.

  <p>
  If the Configuration Admin service has a <code>Configuration</code> object
  corresponding to this PID, it will callback the <code>updated()</code>
  method of the <code>ManagedService</code> object, passing the properties of
  that <code>Configuration</code> object.

  <p>
  If it has no such <code>Configuration</code> object, then it calls back
  with a <code>null</code> properties argument. Registering a Managed Service
  will always result in a callback to the <code>updated()</code> method
  provided the Configuration Admin service is, or becomes active. This callback
  must always be done asynchronously.

  <p>
  Else, every time that either of the <code>updated()</code> methods is
  called on that <code>Configuration</code> object, the
  <code>ManagedService.updated()</code> method with the new properties is
  called. If the <code>delete()</code> method is called on that
  <code>Configuration</code> object, <code>ManagedService.updated()</code>
  is called with a <code>null</code> for the properties parameter. All these
  callbacks must be done asynchronously.

  <p>
  The following example shows the code of a serial port that will create a port
  depending on configuration information.

  <pre>

    class SerialPort implements ManagedService {

      ServiceRegistration registration;
      Hashtable configuration;
      CommPortIdentifier id;

      synchronized void open(CommPortIdentifier id,
      BundleContext context) {
        this.id = id;
        registration = context.registerService(
          ManagedService.class.getName(),
          this,
          getDefaults()
        );
      }

      Hashtable getDefaults() {
        Hashtable defaults = new Hashtable();
        defaults.put( &quot;port&quot;, id.getName() );
        defaults.put( &quot;product&quot;, &quot;unknown&quot; );
        defaults.put( &quot;baud&quot;, &quot;9600&quot; );
        defaults.put( Constants.SERVICE_PID,
          &quot;com.acme.serialport.&quot; + id.getName() );
        return defaults;
      }

      public synchronized void updated(
        Dictionary configuration  ) {
        if ( configuration ==
  <code>
  null
  </code>
    )
          registration.setProperties( getDefaults() );
        else {
          setSpeed( configuration.get(&quot;baud&quot;) );
          registration.setProperties( configuration );
        }
      }
      ...
    }

  </pre>

  <p>
  As a convention, it is recommended that when a Managed Service is updated, it
  should copy all the properties it does not recognize into the service
  registration properties. This will allow the Configuration Admin service to
  set properties on services which can then be used by other applications.</div>
 <dl><dt><span class="strong">Version:</span></dt>
   <dd>$Revision: 809193 $</dd></dl>
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 <caption><span>Methods</span><span class="tabEnd">&nbsp;</span></caption>
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 <th class="colFirst" scope="col">Modifier and Type</th>
 <th class="colLast" scope="col">Method and Description</th>
 </tr>
 <tr class="altColor">
 <td class="colFirst"><code>void</code></td>
 <td class="colLast"><code><strong><a href="../../../../org/osgi/service/cm/ManagedService.html#updated(java.util.Dictionary)">updated</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Dictionary.html?is-external=true" title="class or interface in java.util">Dictionary</a>&nbsp;properties)</code>
 <div class="block">Update the configuration for a Managed Service.</div>
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 <h4>updated</h4>
 <pre>void&nbsp;updated(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Dictionary.html?is-external=true" title="class or interface in java.util">Dictionary</a>&nbsp;properties)
              throws <a href="../../../../org/osgi/service/cm/ConfigurationException.html" title="class in org.osgi.service.cm">ConfigurationException</a></pre>
 <div class="block">Update the configuration for a Managed Service.

  <p>
  When the implementation of <code>updated(Dictionary)</code> detects any
  kind of error in the configuration properties, it should create a new
  <code>ConfigurationException</code> which describes the problem. This
  can allow a management system to provide useful information to a human
  administrator.

  <p>
  If this method throws any other <code>Exception</code>, the
  Configuration Admin service must catch it and should log it.
  <p>
  The Configuration Admin service must call this method asynchronously
  which initiated the callback. This implies that implementors of Managed
  Service can be assured that the callback will not take place during
  registration when they execute the registration in a synchronized method.</div>
 <dl><dt><span class="strong">Parameters:</span></dt><dd><code>properties</code> - A copy of the Configuration properties, or
         <code>null</code>. This argument must not contain the
         "service.bundleLocation" property. The value of this property may
         be obtained from the <code>Configuration.getBundleLocation</code>
         method.</dd>
 <dt><span class="strong">Throws:</span></dt>
 <dd><code><a href="../../../../org/osgi/service/cm/ConfigurationException.html" title="class in org.osgi.service.cm">ConfigurationException</a></code> - when the update fails</dd></dl>
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	<div class="header">
	<div class="subTitle">org.osgi.service.cm</div>
	<h2 title="Interface ManagedService" class="title">Interface ManagedService</h2>
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	<pre>public interface <span class="strong">ManagedService</span></pre>
	<div class="block">A service that can receive configuration data from a Configuration Admin
	service.

	<p>
	A Managed Service is a service that needs configuration data. Such an object
	should be registered with the Framework registry with the
	<code>service.pid</code> property set to some unique identifier called a
	PID.

	<p>
	If the Configuration Admin service has a <code>Configuration</code> object
	corresponding to this PID, it will callback the <code>updated()</code>
	method of the <code>ManagedService</code> object, passing the properties of
	that <code>Configuration</code> object.

	<p>
	If it has no such <code>Configuration</code> object, then it calls back
	with a <code>null</code> properties argument. Registering a Managed Service
	will always result in a callback to the <code>updated()</code> method
	provided the Configuration Admin service is, or becomes active. This callback
	must always be done asynchronously.

	<p>
	Else, every time that either of the <code>updated()</code> methods is
	called on that <code>Configuration</code> object, the
	<code>ManagedService.updated()</code> method with the new properties is
	called. If the <code>delete()</code> method is called on that
	<code>Configuration</code> object, <code>ManagedService.updated()</code>
	is called with a <code>null</code> for the properties parameter. All these
	callbacks must be done asynchronously.

	<p>
	The following example shows the code of a serial port that will create a port
	depending on configuration information.

	<pre>

	class SerialPort implements ManagedService {

	ServiceRegistration registration;
	Hashtable configuration;
	CommPortIdentifier id;

	synchronized void open(CommPortIdentifier id,
	BundleContext context) {
	this.id = id;
	registration = context.registerService(
	ManagedService.class.getName(),
	this,
	getDefaults()
	);
	}

	Hashtable getDefaults() {
	Hashtable defaults = new Hashtable();
	defaults.put( "port", id.getName() );
	defaults.put( "product", "unknown" );
	defaults.put( "baud", "9600" );
	defaults.put( Constants.SERVICE_PID,
	"com.acme.serialport." + id.getName() );
	return defaults;
	}

	public synchronized void updated(
	Dictionary configuration ) {
	if ( configuration ==
	<code>
	null
	</code>
	)
	registration.setProperties( getDefaults() );
	else {
	setSpeed( configuration.get("baud") );
	registration.setProperties( configuration );
	}
	}
	...
	}

	</pre>

	<p>
	As a convention, it is recommended that when a Managed Service is updated, it
	should copy all the properties it does not recognize into the service
	registration properties. This will allow the Configuration Admin service to
	set properties on services which can then be used by other applications.</div>
	<dl><dt><span class="strong">Version:</span></dt>
	<dd>$Revision: 809193 $</dd></dl>
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	</ul>
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	<caption><span>Methods</span><span class="tabEnd"> </span></caption>
	<tr>
	<th class="colFirst" scope="col">Modifier and Type</th>
	<th class="colLast" scope="col">Method and Description</th>
	</tr>
	<tr class="altColor">
	<td class="colFirst"><code>void</code></td>
	<td class="colLast"><code><strong><a href="../../../../org/osgi/service/cm/ManagedService.html#updated(java.util.Dictionary)">updated</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Dictionary.html?is-external=true" title="class or interface in java.util">Dictionary</a> properties)</code>
	<div class="block">Update the configuration for a Managed Service.</div>
	</td>
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	<h4>updated</h4>
	<pre>void updated(<a href="http://docs.oracle.com/javase/7/docs/api/java/util/Dictionary.html?is-external=true" title="class or interface in java.util">Dictionary</a> properties)
	throws <a href="../../../../org/osgi/service/cm/ConfigurationException.html" title="class in org.osgi.service.cm">ConfigurationException</a></pre>
	<div class="block">Update the configuration for a Managed Service.

	<p>
	When the implementation of <code>updated(Dictionary)</code> detects any
	kind of error in the configuration properties, it should create a new
	<code>ConfigurationException</code> which describes the problem. This
	can allow a management system to provide useful information to a human
	administrator.

	<p>
	If this method throws any other <code>Exception</code>, the
	Configuration Admin service must catch it and should log it.
	<p>
	The Configuration Admin service must call this method asynchronously
	which initiated the callback. This implies that implementors of Managed
	Service can be assured that the callback will not take place during
	registration when they execute the registration in a synchronized method.</div>
	<dl><dt><span class="strong">Parameters:</span></dt><dd><code>properties</code> - A copy of the Configuration properties, or
	<code>null</code>. This argument must not contain the
	"service.bundleLocation" property. The value of this property may
	be obtained from the <code>Configuration.getBundleLocation</code>
	method.</dd>
	<dt><span class="strong">Throws:</span></dt>
	<dd><code><a href="../../../../org/osgi/service/cm/ConfigurationException.html" title="class in org.osgi.service.cm">ConfigurationException</a></code> - when the update fails</dd></dl>
	</li>
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