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h1. Features

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This Binding Component (BC) allows to interact with external Enterprise Java Beans (EJB) running on an external JEE container. This Binding Component (BC) allows Petals ESB to interact with external Enterprise Java Beans (EJB) running on an external JEE container.

This component has been successfully tested with the following EJB specifications :

* 2.0
* 2.1
* 3.0
* 3.1

On the following JEE container :

* JOnAS
* JBoss
* OC4J
* OpenEJB

This component acts only as a service provider. A JBI message exchange sent to a ServiceEndpoint (mapped to an EJB) is transformed into an EJB call through RMI.
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h1. Component Configuration

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Before installing the bc-ejb component, you must check in your $\{PETALS_HOME}/conf/server.properties configuration file if the property "petals.classloaders.isolated=true" is set and uncommented. The BC-EJB component need the isolated classloaders to work correctly.

The component can be configured through its JBI descriptor file like this :
{code:lang=xml}<?xml version="1.0" encoding="UTF-8"?>
<jbi:jbi xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:petalsCDK="http://petals.ow2.org/components/extensions/version-4.0"
xmlns:jbi="http://java.sun.com/xml/ns/jbi" version="1.0">

<jbi:component type="binding-component" component-class-loader-delegation="parent-first">

<jbi:identification>
<jbi:name>petals-bc-ejb</jbi:name>
<jbi:description>an EJB Binding Component sending messages to local or distant EJB instances</jbi:description>
</jbi:identification>

<jbi:component-class-name>org.ow2.petals.bc.ejb.EjbBC</jbi:component-class-name>
<jbi:component-class-path>
<jbi:path-element/>
</jbi:component-class-path>
<jbi:bootstrap-class-name>org.ow2.petals.component.framework.DefaultBootstrap</jbi:bootstrap-classname>
<jbi:bootstrap-class-path>
<jbi:path-element/>
</jbi:bootstrap-class-path>

<petalsCDK:acceptor-pool-size>5</petalsCDK:acceptor-pool-size>
<petalsCDK:processor-pool-size>10</petalsCDK:processor-pool-size>
<petalsCDK:ignored-status>NOTHING_IGNORED</petalsCDK:ignored-status>
<shared-library>petals-sl-ejb</shared-library>
<petalsCDK:jbi-listener-class-name>org.ow2.petals.bc.ejb.listener.JBIListener</petalsCDK:jbi-listener-class-name>
</jbi:component>
</jbi:jbi>{code}

h3. Service Unit descriptor
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{code:lang=xml}
<?xml version="1.0" encoding="UTF-8"?>
<jbi:jbi version="1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jbi="http://java.sun.com/xml/ns/jbi">
</jbi:services>
</jbi:jbi>
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