How can we use custom plugin class in Rule

[Kubavat Hardik]

Hi,

I have created one new plugin and I configured one rule that using the class from that new plugin. So when this rule is going to execute there is following exception.

WARNING: Sourced file: inline evaluation of: `` import com.centralbos.hr.model.*; import org.compiere.model.*; import org.adempier . . . '' : Typed variable declaration : Class: MConceptOutcome not found in namespace : at Line: 2 : in file: inline evaluation of: `` import com.centralbos.hr.model.*; import org.compiere.model.*; import org.adempier . . . '' : MConceptOutcome  

Class MConceptOutcome  reside in my new plugin, I had already implemented model factory for that class.

Can anyone help, How can we use custom class that resides outside of base plugin in Rule?

[Thomas Bayen]

Hi,

from your description I can not exactly see if you did a ModelValidator,
a Callout or a Model implementation.

For me it sounds like you did not create the OSGi service-descriptor.
Did you follow:

http://wiki.idempiere.org/en/Category:Plug-In_Development

???

regards,
Thomas Bayen

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mit freundlichen Grüßen,

Thomas Bayen
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[hardik.kubavat]

Hi Thomas,

Yes we followed the steps as per the link. But the problems is related to classloader. I created my model classes into my custom plugin and the Scriptlet class that I am using to execute the rule script having classloader of base plugin, so script would not found my custom classes into the rule.
So to resolve issue I have override the execute method of Scriplet class in which it will execute the script as per Custom Class loader that we pass to the method.

Regards,
Hardik Kubavat

---

[Jan Thielemann]

I think you cannot access your class from the base plugin because:

1. your plugin does not export the class/package

2. the base plugin doesn't has your plugin as dependency

Maybe you can try something like:

PO po = null;

List<IModelFactory> factoryList = Service.locator().list(IModelFactory.class).getServices();

if (factoryList != null)

{

for(IModelFactory factory : factoryList)

{

po = factory.getPO(tableName, Record_ID, trxName);

if (po != null)

{

if (po.get_ID() != Record_ID && Record_ID > 0)

po = null;

else

break;

}

}

}

to load your model class. 

Then use reflecttion to call methods (http://stackoverflow.com/questions/160970/how-do-i-invoke-a-java-method-when-given-the-method-name-as-a-string):

public void test() throws NoSuchMethodException, SecurityException, IllegalAccessException, IllegalArgumentException, InvocationTargetException{

PO po = null;

Method method = po.getClass().getMethod("doSomething", String.class);

method.invoke(po, "Test");

}

I haven't tested it but maybe it gives you an idea. Hopefully it helps you. 

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[hardik.kubavat]

Thanks Jan,

I will look at it.

Regards,
Hardik Kubavat

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