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Home » Modeling » M2T (model-to-text transformation) » Error when parsing an external data type in the xmi model(How to read a value of a type that is not in the model?)
Error when parsing an external data type in the xmi model [message #874828] Mon, 21 May 2012 11:59
Bexy Alfonso is currently offline Bexy Alfonso
Messages: 1
Registered: April 2012
Junior Member
Hi all.

I have an EMF model called "metamodel.ecore" and an instance for this model "ActionsFlow.xmi". In the metamodel, the container class is called "ActionsFlow" and there is a hierarchy like the following:

ActionsFlow (Entity)
|
|--- SequenceLink (Entity)
| |--- conditions (Attribute. List of "Condition")
| .
. .
.
.

The "Condition" entity is an EDataType ,which in turn is an instance of an external class called "Condition" too. This last class has two String attributes: 'code' and 'Description'. When saving the "ActionsFlow.xmi" model, I format the value for the condition like this "<ConditionDescription>ConditionCode". The next is a piece of the xmi file:

<?xml version="1.0" encoding="UTF-8"?>
<RegulatedInteractions:ActionsFlow xmi:version="2.0" xmlns:xmi="http ://www.omg.org/XMI" xmlns:xsi="http ://www.w3.org/2001/XMLSchema-instance" xmlns:RegulatedInteractions="http ://RegulatedInteractions/1.0">
  <hasSeqRelation source="#//@hasInitialState" target="#//@hasAction.0">
    <Condition>&lt;c1>myConditionCode1</Condition>
    <Condition>&lt;c2>myConditionCode2</Condition>
  </hasSeqRelation>
...


The fact is that when I try to generate the code, I get an error when reading the .xmi file (error is below). I would like to know if there is a way of customizing the parsing for the 'conditions' attribute of the "SequenceLink" class or instead, if there is a better way of treat this problems.

0    INFO  WorkflowEngine     - --------------------------------------------------------------------------------------
11   INFO  WorkflowEngine     - EMF Modeling Workflow Engine 1.1.1, Build v201108020506
11   INFO  WorkflowEngine     - (c) 2005-2009 openarchitectureware.org and contributors
13   INFO  WorkflowEngine     - --------------------------------------------------------------------------------------
13   INFO  WorkflowEngine     - running workflow: /Trabajo/workspace/org.xpand.example.gettingstarted/src/workflow/generator2.mwe
18   INFO  WorkflowEngine     - 
480  INFO  StandaloneSetup    - Registering platform uri '/Trabajo/workspace'
3737 INFO  CompositeComponent - Reader: Loading model from platform:/resource/org.xpand.example.gettingstarted/src/default2.regulatedinteractions

3917 ERROR WorkflowEngine     - Workflow interrupted. Reason: Couldn't load resource under platform:/resource/org.xpand.example.gettingstarted/src/default2.regulatedinteractions : org.eclipse.emf.ecore.xmi.IllegalValueException: Value '<c1>myConditionCode1' is not legal. (platform:/resource/org.xpand.example.gettingstarted/src/default2.regulatedinteractions, 6, 51)


Thanks in advance!!
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