BPEL Property Reader Extension

The is a sample extension that allow users to read external values from either a property file or from registry into a BPEL process instance. Accompanied PropertyReadExt.properties file is a sample properties file used to demonstrate the usage.

How to run

Clean and build the following with maven https://svn.wso2.org/repos/wso2/carbon/platform/branches/turing/products/bps/3.2.0/modules/samples/product/bpel-property-reader/
Copy the created jar file to the <EI_HOME>/wso2/lib directory.

Add the following configuration entry to bps.xml in the <EI_HOME>/wso2/business-process/conf directory.

<tns:WSO2BPS xmlns:tns="http://wso2.org/bps/config">
…
<tns:ExtensionBundles>
   <tns:runtimes>
   <tns:runtime class="org.wso2.bps.samples.propertyreader.PropertyReaderExtensionBundle"/>
   </tns:runtimes>
</tns:ExtensionBundles>
...
</tns:WSO2BPS>

Copy PropertyReaderExt.properties into the <EI_HOME>/wso2/business-process/conf directory.
Restart the server if the server is already running. Now you are ready to use the property-reader extension in your BPEL process.
Get the property-reader BPEL sample from this location.
Extract the PropertyReader_1.0.0.zip and upload the sample.properties to the registry (either config or governance registry) or keep in the file system.
Deploy the PropertyReader BPEL process .
Invoke the process and compare the results with sample.properties configurations.

In the PropertyReader_1.0.0/PropertyReader.bpel config

Define the namespace as xmlns:propr=" http://wso2.org/bps/extensions/propertyReader "

Declare the Extension Activity as:

<bpel:extensions>
     <bpel:extension namespace="http://wso2.org/bps/extensions/propertyReader" mustUnderstand="yes" />
</bpel:extensions>

Assign the properties to variables:

<bpel:extensionActivity>
    <propr:readProperties location="conf:sample.properties">
        <property name="property1">
            <to variable="test"></to>
        </property>
        <property name="property2">
            <to variable="test2"></to>
        </property>
    </propr:readProperties>
</bpel:extensionActivity>