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Reference
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org.osgi.service.component.annotations</FONT>
<BR>
Annotation Type Reference</H2>
<HR>
<DL>
<DT><PRE><FONT SIZE="-1">@Retention(value=CLASS)
@Target(value=METHOD)
</FONT>public @interface <B>Reference</B></DL>
</PRE>

<P>
Identify the annotated method as a <code>bind</code> method of a Service
 Component.
 
 <p>
 The annotated method is a bind method of the Component.
 
 <p>
 This annotation is not processed at runtime by a Service Component Runtime
 implementation. It must be processed by tools and used to add a Component
 Description to the bundle.
<P>

<P>
<DL>
<DT><B>See Also:</B><DD>"The reference element of a Component Description."</DL>
<HR>

<P>
<!-- =========== ANNOTATION TYPE OPTIONAL MEMBER SUMMARY =========== -->

<A NAME="annotation_type_optional_element_summary"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Optional Element Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/osgi/service/component/annotations/ReferenceCardinality.html" title="enum in org.osgi.service.component.annotations">ReferenceCardinality</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/osgi/service/component/annotations/Reference.html#cardinality()">cardinality</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The cardinality of the reference.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/osgi/service/component/annotations/Reference.html#name()">name</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The name of this reference.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../../../org/osgi/service/component/annotations/ReferencePolicy.html" title="enum in org.osgi.service.component.annotations">ReferencePolicy</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/osgi/service/component/annotations/Reference.html#policy()">policy</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The policy for the reference.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Class&lt;?&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/osgi/service/component/annotations/Reference.html#service()">service</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The type of the service to bind to this reference.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/osgi/service/component/annotations/Reference.html#target()">target</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The target filter for the reference.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.String</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/osgi/service/component/annotations/Reference.html#unbind()">unbind</A></B></CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The name of the unbind method which pairs with the annotated bind method.</TD>
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&nbsp;
<P>
<A NAME="name()"><!-- --></A><H3>
name</H3>
<PRE>
public abstract java.lang.String <B>name</B></PRE>
<DL>
<DD>The name of this reference.
 
 <p>
 If not specified, the name of this reference is based upon the name of
 the method being annotated. If the method name begins with <code>set</code> or
 <code>add</code>, that is removed.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD>"The name attribute of the reference element of a Component Description."</DL>
<DL>
<DT><B>Default:</B><DD>""</DD>
</DL>
</DL>
<HR>

<A NAME="service()"><!-- --></A><H3>
service</H3>
<PRE>
public abstract java.lang.Class&lt;?&gt; <B>service</B></PRE>
<DL>
<DD>The type of the service to bind to this reference.
 
 <p>
 If not specified, the type of the service to bind is based upon the type
 of the first argument of the method being annotated.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD>"The interface attribute of the reference element of a Component Description."</DL>
<DL>
<DT><B>Default:</B><DD>java.lang.Object.class</DD>
</DL>
</DL>
<HR>

<A NAME="cardinality()"><!-- --></A><H3>
cardinality</H3>
<PRE>
public abstract <A HREF="../../../../../org/osgi/service/component/annotations/ReferenceCardinality.html" title="enum in org.osgi.service.component.annotations">ReferenceCardinality</A> <B>cardinality</B></PRE>
<DL>
<DD>The cardinality of the reference.
 
 <p>
 If not specified, the reference has a
 <A HREF="../../../../../org/osgi/service/component/annotations/ReferenceCardinality.html#MANDATORY"><CODE>1..1</CODE></A> cardinality.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD>"The cardinality attribute of the reference element of a Component Description."</DL>
<DL>
<DT><B>Default:</B><DD>org.osgi.service.component.annotations.ReferenceCardinality.MANDATORY</DD>
</DL>
</DL>
<HR>

<A NAME="policy()"><!-- --></A><H3>
policy</H3>
<PRE>
public abstract <A HREF="../../../../../org/osgi/service/component/annotations/ReferencePolicy.html" title="enum in org.osgi.service.component.annotations">ReferencePolicy</A> <B>policy</B></PRE>
<DL>
<DD>The policy for the reference.
 
 <p>
 If not specified, the <A HREF="../../../../../org/osgi/service/component/annotations/ReferencePolicy.html#STATIC"><CODE>STATIC</CODE></A> reference
 policy is used.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD>"The policy attribute of the reference element of a Component Description."</DL>
<DL>
<DT><B>Default:</B><DD>org.osgi.service.component.annotations.ReferencePolicy.STATIC</DD>
</DL>
</DL>
<HR>

<A NAME="target()"><!-- --></A><H3>
target</H3>
<PRE>
public abstract java.lang.String <B>target</B></PRE>
<DL>
<DD>The target filter for the reference.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD>"The target attribute of the reference element of a Component Description."</DL>
<DL>
<DT><B>Default:</B><DD>""</DD>
</DL>
</DL>
<HR>

<A NAME="unbind()"><!-- --></A><H3>
unbind</H3>
<PRE>
public abstract java.lang.String <B>unbind</B></PRE>
<DL>
<DD>The name of the unbind method which pairs with the annotated bind method.
 
 <p>
 To declare no unbind method, the value <code>"-"</code> must be used.
 
 <p>
 If not specified, the name of the unbind method is derived from the name
 of the annotated bind method. If the annotated method name begins with
 <code>set</code>, that is replaced with <code>unset</code> to derive the unbind
 method name. If the annotated method name begins with <code>add</code>, that
 is replaced with <code>remove</code> to derive the unbind method name.
 Otherwise, <code>un</code> is prefixed to the annotated method name to derive
 the unbind method name.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>See Also:</B><DD>"The unbind attribute of the reference element of a Component Description."</DL>
<DL>
<DT><B>Default:</B><DD>""</DD>
</DL>
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