I have an EO entity that I use to store the value and the type of a report 
parameter. The EO have a couple of EO attributes that is stored in a database, 
but the « value » attribute is a non-EO attribute, because I only need to ship 
the value to a REST service, I don't need to save the value of the parameter to 
the database.

So I did the usual. In the ReportParam class, I have a bunch of methods like 
this:

  public void setBooleanValue(Boolean booleanValue) {
    if (booleanValue == null) {
      booleanValue = false;
    }
    this.booleanValue = booleanValue;
  }

And my component, I have a condition that set the value of all boolean 
parameters to true:

      if (isShowAll) {
        for (ReportParam param: 
printDetailsReport.studentPrintDetailsParametersForDisplay()) {
          param.setBooleanValue(true);
        }
      }

Problem is, right after that condition, all parameters value is set to "false" 
even if I set them to true. But I change the value of an attribute that is part 
of the model in the same For loop, I get the correct value after the condition. 
So I guess EOF is doing some magic when it's attributes from the model?

BTW, the boolean parameters are also used for WOCheckbox in the component, and 
if I set it there, the value stays.

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