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Device
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org.osgi.service.device</FONT>
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Interface Device</H2>
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<DT><PRE>public interface <B>Device</B></DL>
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<p>
Interface for identifying device services.
<p>
A service must implement this interface or use the
<A HREF="../../../../org/osgi/service/device/Constants.html#DEVICE_CATEGORY"><CODE>Constants.DEVICE_CATEGORY</CODE></A> registration property to indicate that it
is a device. Any services implementing this interface or registered with the
<code>DEVICE_CATEGORY</code> property will be discovered by the device manager.
<p>
Device services implementing this interface give the device manager the
opportunity to indicate to the device that no drivers were found that could
(further) refine it. In this case, the device manager calls the
<A HREF="../../../../org/osgi/service/device/Device.html#noDriverFound()"><CODE>noDriverFound()</CODE></A> method on the <code>Device</code> object.
<p>
Specialized device implementations will extend this interface by adding
methods appropriate to their device category to it.
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<DT><B>See Also:</B><DD><A HREF="../../../../org/osgi/service/device/Driver.html" title="interface in org.osgi.service.device"><CODE>Driver</CODE></A></DL>
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<CODE>static int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/osgi/service/device/Device.html#MATCH_NONE">MATCH_NONE</A></B></CODE>
<BR>
Return value from <A HREF="../../../../org/osgi/service/device/Driver.html#match(org.osgi.framework.ServiceReference)"><CODE>Driver.match(ServiceReference)</CODE></A> indicating that
the driver cannot refine the device presented to it by the device
manager.</TD>
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<CODE> void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/osgi/service/device/Device.html#noDriverFound()">noDriverFound</A></B>()</CODE>
<BR>
Indicates to this <code>Device</code> object that the device manager has
failed to attach any drivers to it.</TD>
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<A NAME="MATCH_NONE"><!-- --></A><H3>
MATCH_NONE</H3>
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static final int <B>MATCH_NONE</B></PRE>
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<DD>Return value from <A HREF="../../../../org/osgi/service/device/Driver.html#match(org.osgi.framework.ServiceReference)"><CODE>Driver.match(ServiceReference)</CODE></A> indicating that
the driver cannot refine the device presented to it by the device
manager.
The value is zero.
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#org.osgi.service.device.Device.MATCH_NONE">Constant Field Values</A></DL>
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<A NAME="noDriverFound()"><!-- --></A><H3>
noDriverFound</H3>
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void <B>noDriverFound</B>()</PRE>
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<DD>Indicates to this <code>Device</code> object that the device manager has
failed to attach any drivers to it.
<p>
If this <code>Device</code> object can be configured differently, the
driver that registered this <code>Device</code> object may unregister it
and register a different Device service instead.
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