Re: Problem accessing List instance property via

[devver <km...@googlemail.com>]

Sorry for the late reply. Things have moved on somewhat and the SQL has been
refactored.

However, there's another problem for which I will start a new thread. But to
answer your question. The list is a property of a Java HashMap; each
instance in that list has three properties: 2 ints and a String.


mukhi wrote:
> 
> did you check the type of value you are passing to the list? you may be
> passing string type values to the list.
> 
> devver wrote:
>> 
>> Thanks for the reply (sorry: managed to reply twice). It's IB v2. 
>> An older version of IB sounds feasibly yet we have sql maps that use
>> similar constructs, i.e <isnull> nested within <iterate> elements and
>> accessing properties on instances stored in maps. Most perculiar. I  cant
>> get it to work and will probably have to resort to tortuous SQL to get
>> the results I need
>> 
>> 
>> 
>> nmaves wrote:
>>> 
>>> Which version are you using?  It looks to be IB2 and if that is true I
>>> would suggest to moving up to 3.x.
>>> 
>>> On Mon, Apr 26, 2010 at 1:02 PM, devver <km...@googlemail.com> wrote:
>>>>
>>>> Hi
>>>>
>>>> I'm new to iBatis and I'm struggling to access a property of instances
>>>> stor4ed in a list which, in turn are passed to ibatis in a HashMap
>>>> parameter. The <iterate> clauses are building a WHERE clause, the
>>>> contents
>>>> of which will alter depending on whether this proeprty is null or not.
>>>>
>>>> I am iterating over my List as follows:
>>>>
>>>> <iterate prepend="AND" property="MyMap.myList" conjunction="AND"
>>>> open="("
>>>> close=")">
>>>>    ...
>>>> </iterate>
>>>>
>>>> Within this I check the value of a property, 'myProperty' and complete
>>>> the
>>>> WHER clause accordingly. The iterate clause now looks like this:
>>>>
>>>> <iterate prepend="AND" property="MyMap.myList" conjunction="AND"
>>>> open="("
>>>> close=")">
>>>>    <isNull property="MyMap.myList[].myProperty">
>>>>         <!-- code when property is NULL -->
>>>>    </isNull>
>>>>    <isNotNull property="MyMap.myList[].myProperty">
>>>>         <!-- code when property is _not_  NULL -->
>>>>    </isNotNull>
>>>>
>>>> </iterate>
>>>>
>>>> When I run this, the error message seems to indicate that my syntax i
>>>> nrelation to the List is incorrect:-
>>>>
>>>> --- Cause: com.ibatis.common.beans.ProbeException: Error getting
>>>> ordinal
>>>> list from JavaBean. Cause java.lang.NumberFormatException: For input
>>>> string:
>>>> ""
>>>> Caused by: java.lang.NumberFormatException: For input string: "";
>>>> nested
>>>> exception is com.ibatis.common.jdbc.exception.NestedSQLException:
>>>>
>>>> If anyone can shed any light as to what I've missed, here, I'd be
>>>> grateful.
>>>>
>>>> Thanks
>>>>
>>>>
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>>>>
>>>>
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>>>>
>>> 
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>>> 
>>> 
>> 
>> 
> 
> 

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