ParameterDefinitionImpl - with constraint

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mtw999

Hi,

I'm using ParameterDefinitionImpl ctor that has takes a constraint as a String value. How do I specify the constraint if the constraint is defined in my model:

paramList.add(new ParameterDefinitionImpl(PARAM_MY_PARAM, DataTypeDefinition.TEXT, false,
        getParamDisplayLabel(PARAM_MY_PARAM), false, "mydocument:my_constraint"));

does not work.


  <constraint name="mydocument:my_constraint" type="LIST">
   <parameter name="allowedValues">
      <list>
        <value>asdf</value>
        <value>qwerty</value>
        <value>zzaa1</value>
        <value>1234</value>
      </list>
     </parameter>
    </constraint>

kaynezhang

The constraint you defined in model is used to constraint property of a type,it is a property constraint ,it can't be used as a parameter constraint for action directly.
If you want to use property constraint to constraint the list of allowable values for a action parameter ,you can do it like this.
1.Customize a class that inherit from org.alfresco.repo.action.constraint.BaseParameterConstraint, inject DictionaryService into your class.
2.Override method of getAllowableValuesImpl().in your getAllowableValuesImpl() do following
   a.Get the definition of your property constraint by calling DictionaryService.getConstraint()  ;
   b.Iterate the list of constrained values and construt  allowable parameter constraint values map.
3.Configure you class in spring configuration file and put it in extension classpath.
4.Pass the bean name your configured in spring as parameterConstraintName to ParameterDefinitionImpl constructor

new ParameterDefinitionImpl(PARAM_MY_PARAM, DataTypeDefinition.TEXT, false, getParamDisplayLabel(PARAM_MY_PARAM), false, "bean name you configured in spring")
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