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+ <H3><A name="SCAJavaimplementation.bpel-Introduction"></A>Introduction</H3>
+
+<P>This is a initial WS-BPEL component implementation that allows SCA runtime to invoke WS-BPEL executable processes in a SCA composition.<BR>
+We are still working to finalize the Reference support, to allow your BPEL process to have partnerLinks pointing to SCA components.</P>
+
+<P>As for creating a SCA component, below is an sample SCDL</P>
+
+<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
+<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">//bpel&quot;</SPAN>
+</SPAN> xmlns:hns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//tuscany.apache.org/implementation/bpel/example/helloworld&quot;</SPAN>
+</SPAN> name=<SPAN class="code-quote">&quot;bpel&quot;</SPAN>&gt;
+
+ &lt;component name=<SPAN class="code-quote">&quot;BPELHelloWorldComponent&quot;</SPAN>&gt;
+ &lt;implementation.bpel process=<SPAN class="code-quote">&quot;hns:HelloWorld&quot;</SPAN>/&gt;
+ &lt;/component&gt;
+
+&lt;/composite&gt;
+</PRE>
+</DIV></DIV>
+
+
+<H3><A name="SCAJavaimplementation.bpel-WSBPELEngine"></A>WS-BPEL Engine</H3>
+
+<P>As for a WS-BPEL engine, we are using Apache ODE. In order to properly deploy a WS-BPEL process in ODE, a deployment descriptor like the one below should be suplied with your application :</P>
+
+<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
+<PRE class="code-java">
+&lt;deploy xmlns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//www.apache.org/ode/schemas/dd/2007/03&quot;</SPAN>
+</SPAN> xmlns:tns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//tuscany.apache.org/implementation/bpel/example/helloworld&quot;</SPAN>
+</SPAN> xmlns:wns=<SPAN class="code-quote">&quot;http:<SPAN class="code-comment">//tuscany.apache.org/implementation/bpel/example/helloworld.wsdl&quot;</SPAN>&gt;
+</SPAN>
+
+ &lt;process name=<SPAN class="code-quote">&quot;tns:HelloWorld&quot;</SPAN>&gt;
+ &lt;active&gt;<SPAN class="code-keyword">true</SPAN>&lt;/active&gt;
+ &lt;provide partnerLink=<SPAN class="code-quote">&quot;helloPartnerLink&quot;</SPAN>&gt;
+ &lt;service name=<SPAN class="code-quote">&quot;wns:HelloService&quot;</SPAN> port=<SPAN class="code-quote">&quot;HelloPort&quot;</SPAN>/&gt;
+ &lt;/provide&gt;
+ &lt;/process&gt;
+&lt;/deploy&gt;
+</PRE>
+</DIV></DIV>
+
+<P>For more information on these deployment descriptors, see documentation on <A href="http://ode.apache.org/creating-a-process.html" class="external-link" rel="nofollow">Deploying a process in ODE</A></P>
+
+
+<H3><A name="SCAJavaimplementation.bpel-References"></A>References</H3>
+
+<P><A href="http://osoa.org/display/Main/SCA%20BPEL%20White%20Paper" class="external-link" rel="nofollow">SCA &amp; BPEL white paper </A></P>
+
+<P><A href="http://osoa.org/download/attachments/35/SCA_ClientAndImplementationModelforBPEL_V100.pdf?version=1" class="external-link" rel="nofollow">SCA Client Implementation Model for BPEL v1.00 </A></P>
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