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using multi instance...

sojasoja

hi,

i have a user task which is needed to be assigned to all members of a group, so i should use multi instance , but i couldn't define collection variable properly in the designer in Eclipse, can anyone help me?! it always says "[variable name]" is not a collection!!!
how should i define this collection in Eclipse?!

i tried to create a script task , define a List<String> … but it didn't work,
use groovy and define: def Lname= ["user1", "user2"] it also didn't work…
define a new form variable Listname with value of {"user1" , "user2"} , ["user1" , "user2"] …. it didn't work too…

please help me

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Comments

trademak

Hi,

Did you try to create a List in a Java service task?

Best regards,

sojasoja

oOps… thanks alot , it solved my problem..

nitroin

Hi soja,

Can you explain how you define the list in the Java service task?

I'm having the same problem here.

sojasoja

hi nitroin,

define a java service task , and assign a java class to this task, with the below code:

<br><br>package makeMYusers;<br><br>import java.util.ArrayList;<br>import java.util.Collection;<br>import org.activiti.engine.delegate.DelegateExecution;<br>import org.activiti.engine.delegate.JavaDelegate;<br><br>public class mylist&nbsp; implements JavaDelegate {<br><br> @Override<br>&nbsp;&nbsp; public void execute(DelegateExecution execution) throws Exception {<br>&nbsp;&nbsp;&nbsp;&nbsp; Collection<String> USlistName = new ArrayList<String>();<br>&nbsp;&nbsp;&nbsp;&nbsp; USlistName.add("name1");<br>&nbsp;&nbsp;&nbsp;&nbsp; USlistName.add("name2");<br>&nbsp;&nbsp;&nbsp;&nbsp; execution.setVariable("nameList", USlistName);<br>&nbsp;&nbsp;&nbsp; <br>&nbsp; }<br>&nbsp; <br> }<br>

"nameList" is the variable , that you should define it , and use it in the multi instance section of the task rpopertise, which you want to run in multi instance mode.

nitroin

Thanks!