Re: [rules-users] Uses of timer node

[Renato Herebia]

Thanks Alexandros and Kris!

It works!

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Re: [rules-users] Uses of timer node

[Renato Herebia]

anyone?

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[rules-users] Uses of timer node

[Renato Herebia]

Hi!

I'm testing the timer node and I did a simple flow with start node, action
node (System.out.println("action node 1");),
a timer node, other action node (System.out.println("action node 2");) and
the end node. When the process start,
the first action node is triggered, after that, the timer node is activated
and don't pass for the next action node after
the delay time programmed.

Has any configuration to do when working with timer nodes (handlers, etc.)?
Someone has a simple example like
this I'm testing?

Thanks!

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Re: [rules-users] Process variables in split/action nodes

[Renato Herebia]

Yes! It works with drools 5.1.0!

Thanks Kris!!


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Re: [rules-users] Process variables in split/action nodes

[Renato Herebia]

   at
org.drools.base.mvel.MVELReturnValueEvaluator.evaluate(MVELReturnValueEvaluator.java:110)
at
org.drools.workflow.instance.impl.ReturnValueConstraintEvaluator.evaluate(ReturnValueConstraintEvaluator.java:121)
... 36 more

With Java dialect I got a problem when I add the rule flow to the
KnowledgeBuilderFactory:

java.lang.RuntimeException: Process Compilation error :
org.drools.lang.descr.processde...@69695f
com/sample/Process_com_sample_0.java (9:387) : Incompatible operand
types String and int

at com.sample.ProcessTest.readKnowledgeBase(ProcessTest.java:81)
at com.sample.ProcessTest.main(ProcessTest.java:30)


Using action node, I could get the variable process with mvel dialect in
action just calling:

System.out.println("The counting is: " + count);

If I use Java dialect with the same System.out, I got this problem after add
the rule flow to the KnowledgeBuilderFactory:

java.lang.RuntimeException: unable to execute Action
at
org.drools.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:56)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:111)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.triggerConnection(NodeInstanceImpl.java:141)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:128)
at
org.drools.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:49)
at
org.drools.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:41)
at
org.drools.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:111)
at
org.drools.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:16)
at
org.drools.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:185)
at
org.drools.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:230)
at
org.drools.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1639)
at
org.drools.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:272)
at com.sample.ProcessTest.main(ProcessTest.java:42)
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to
java.lang.String
at
com.sample.Process_com_sample_0Action0Invoker.execute(Process_com_sample_0Action0Invoker.java:18)
at
org.drools.workflow.instance.node.ActionNodeInstance.internalTrigger(ActionNodeInstance.java:54)
... 12 more


In this scenario, my doubts are:
- It's necessary any configuration for the access in action/split nodes to
process variables?
- How can I do that?


Thanks in advance.

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[rules-users] Process variables in split/action nodes

[Renato Herebia]

Hi!

How can I access process variables inside split nodes, in fact, in split
contraints?

I accessed a process variable named "count" in an action node like that:

Integer c = (Integer) kcontext.getVariable("count");
kcontext.setVariable("count", ++c);

But, in a split constraint doesn't work. So, my doubts are:
- How is the way in split constraints?
- Is there a simpler way to access process variables in action node?

Thanks!

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[rules-users] Variables in human tasks

[Renato Herebia]

Hi all!

I'm developing a flow to controll what each actor must do in my system using
human tasks for that.
After verify pending tasks for an actor, I have to verify what is the
persistent object related to this flow.
The idea to resolve this situation is to attribute the persistent object id
to a flow variable before start
the process and then attribute the flow variable to task variable/parameter.
Thus, when I have the list
of pending tasks for an actor, I can get the id of persistent object and
restore this object.

In this scenario, my doubt is: how to get the task variable/parameter?

Thanks!

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Renato Herebia
Desenvolvimento
Dextra Sistemas - MPS.Br Nível F!
www.dextra.com.br
+55 19 3256-6722 Ramal 27

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