Jerome Velociter wrote:
> Hi,
>
> See below:
>
> BrianJones wrote:
>> Hi all,
>>
>> I'm having trouble using Velocity to analyze the boolean value of a property
>> of a class.
>>
>> For example, I have class X, with a property Y (I'll call this property
>> 'example_bool' in the lower example code) which is of type 'Boolean'. I've
>> configured this property to use radio buttons so the user is only able to
>> choose one value. I've created several objects of this class, making sure
>> to utilize both the 'Yes' and 'No' values for some of these objects (to
>> ensure for testing purposes I have some of both).
>>
>> This class also has another property, a static list, of location strings,
>> such as 'Location X', 'Location Y', etc.
>>
>> Now, on a page, I am trying to calculate how many of each location have the
>> boolean value of Yes and no with the following velocity/HQL statement:
>>
>> #set ($results = $xwiki.search("select obj.name from BaseObject obj,
>> StringProperty prop where obj.className='Example.ExampleClass' and
>> obj.name<>'Example.ExampleClassTemplate' and prop.id.id=obj.id and
>> prop.name='location' and prop.value='Location X' order by obj.name asc"))
>> #set ($numTrue = 0)
>> #set ($numFalse = 0)
>> #foreach ($item in $results)
>> #set ($object = $xwiki.getDocument(${item}))
>> #if (!$object.get("example_bool"))
>> #set ($numFalse = $numFalse + 1)
>> #else
>> #set ($numTrue = $numTrue + 1)
>> #end
>> #end
> Try to replace
>
> #if (!$object.get("example_bool"))
>
> by
>
> #if (!$object.getProperty("example_bool").value)
>
#if (!$object.getProperty("example_bool").value == 1)
The property value is an integer, not a boolean.
> Hope this helps (haven't tested, I admit)
>
> Jerome.
>
>
>> This code is being executed without error, however, the 'True' count is
>> always being evaluated as the total number of objects, while the 'False'
>> count always stays at 0, even though I KNOW there are objects in this group
>> that have the value of 'No' for the 'example_bool' property.
>>
>> Does anyone know what I'm doing wrong, or have any ideas that might help me
>> out? Thanks in advance gang.
>>
>> On a side note, I've also noted that when using the Boolean property, the
>> user has the choice of 'Yes', 'No' and '---'. What is this later value
>> ('---') and why is it always included? To me, the meaning of Boolean means
>> 'True OR False' and nothing else. Does this third value have a purpose?
>> And is there a way of excluding it from the choices the user sees?
>>
>> Thanks again everyone!
>
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--
Sergiu Dumitriu
http://purl.org/net/sergiu/
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