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          <H3><A name="SCAJavaimplementation.java-%3Cimplementation.java%3E"></A>&lt;implementation.java&gt;</H3>


<P>The Tuscany Java SCA runtime supports components implemented in Java by using the &lt;implementation.java&gt; SCDL extension.</P>

<P>The Java component implementation SCDL has the following format:</P>

<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
<PRE class="code-java">
   &lt;implementation.java class=<SPAN class="code-quote">&quot;NCName&quot;</SPAN> /&gt;
</PRE>
</DIV></DIV>

<P>Where the class attribute is the fully qualified name of the Java class of the implementation.</P>

<P>The Java component implementtaion is one of the SCA extensions which is being formalized in the OASIS Open Composite Services Architecture with a published <A href="http://www.oasis-opencsa.org/sca-java-annotations" class="external-link" rel="nofollow">specifications </A> document.</P>

<H4><A name="SCAJavaimplementation.java-someexamples"></A>some examples</H4>

<P>This example shows a simple composite with a component that uses &lt;implemantation.java&gt;:</P>

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<PRE class="code-java">
&lt;composite xmlns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//www.osoa.org/xmlns/sca/1.0&quot;</SPAN>
</SPAN>    targetNamespace=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//sample&quot;</SPAN>
</SPAN>    xmlns:sample=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//sample&quot;</SPAN>
</SPAN>    name=<SPAN class="code-quote">&quot;SampleComposite&quot;</SPAN>&gt;

    &lt;component name=<SPAN class="code-quote">&quot;SampleComponent&quot;</SPAN>&gt;
       &lt;implementation.java class=<SPAN class="code-quote">&quot;sample.SampleImpl&quot;</SPAN>/&gt;
    &lt;/component&gt;
    
&lt;/composite&gt;
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