From do-not-reply at jboss.com Wed Nov 25 04:54:53 2009
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From: bgoetzmann <do-not-reply at jboss.com>
To: jboss-user at lists.jboss.org
Subject: [jboss-user] [jBPM Users] - Groovy in Script activity works,
 but lang attribute seems to
Date: Wed, 25 Nov 2009 04:54:53 -0500
Message-ID: <4356425.1259142893714.JavaMail.jboss@nukes01.app.mwc.hst.phx2.redhat.com>

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After some search, I've found how to proceed. The class to use is org.codeh=
aus.groovy.jsr223.GroovyScriptEngineFactory.

- I added this declaration (in bold) in the jbpm.cfg.xml:

<script-manager default-expression-language=3D"groovy"
                    default-script-language=3D"groovy">
      <script-language name=3D"juel" factory=3D"org.jbpm.pvm.internal.scrip=
t.JuelScriptEngineFactory" />
      <script-language name=3D"groovy" factory=3D"org.codehaus.groovy.jsr22=
3.GroovyScriptEngineFactory" />
    </script-manager>

- You have to have the groovy-all-....jar in your libs

So you use Groovy in a script activity; for example:

  <script name=3D"display hello world" lang=3D"groovy"
          expr=3D"println 'Salut !'">
    =

  =


But with some test, I see that the lang attribute value is not take in acco=
unt; and the only way to have Groovy to be executed is to set it as default=
 as I do it above in script-manager XML element.

Is it a bug?


Cheers,

Bertrand.


"bgoetzmann" wrote : Hello,
  | =

  | The jBPM says a little on how to use another script language in a Scrip=
t activity.
  | It seems you have to add something like this, as child element of the s=
cript-manager XML element in the jbpm.cfg.cml file:
  | =

  | <script-language name=3D"..." factory=3D"..."/>
  | =

  | for the language you want.
  | =

  | How can I define Groovy? And what interface the class defined in factor=
y attribute is supposed to support?
  | =

  | Thank you,
  | =

  | =

  | Bertrand.

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