Unfortunately that doesn't work either.
The question in really simple terms:
What should be the result map for this class:
class Attribute {
String name;
List<String> values;
}
cbchhaya wrote:
>
> Almost, except that I am already using a result-mapping to get all
> attributes for an object, and every attribute has a bunch of fields, one
> of which is a list of strings. Having already selected all the required
> data, I am just looking for a way to bunch up the 'attrValue' field into a
> list of strings. Perhaps I should group by every other property of the
> attribute?
>
>
>
> Gwyn wrote:
>>
>> I'm not 100% sure, but it looks to me as if this is the subject of the
>> "Result Maps"/"Complex Collection Properties" section of the
>> "Developer Guide" document.
>>
>> On Wed, Jun 10, 2009 at 3:59 AM, cbchhaya<[email protected]> wrote:
>>>
>>> I have the following classes:
>>> class Attribute {
>>> String attrName;
>>> List<String> values;
>>> }
>>>
>>> and
>>>
>>> class DomainObj {
>>> String objName;
>>> String objType;
>>> List<Attribute> attrs;
>>> }
>>>
>>> I have a database table that stores <objId, objName, objType>, another
>>> one
>>> that stores <attrId, attrName> and another one that stores <objId,
>>> attrId,
>>> attrValue> so that there are multiple rows in the final table if the
>>> attribute is multi-valued.
>>>
>>> A simple select returns objName, objType, attrName, attrValue but my
>>> problem
>>> is mapping the attrValue to a java list in the resultMap
>>>
>>> <resultMap id="..." class="DomainObj" groupBy="objName, objType>
>>> <result property="objName" column="objName" />
>>> ....
>>> <result property="attrs" resultMap="attr-result" />
>>> </resultMap>
>>>
>>> <resultMap id="attr-result" class=Attribute" groupBy="attrName">
>>> <result property="attrName" column="attrName" />
>>> <result property="values" ....? />
>>> </resultMap>
>>>
>>> How do I go about mapping the 'values' property in Attribute (which is a
>>> List of Strings). I tried specifying the class for the result as List
>>> but it
>>> doesn't work and I didn't expect it to either.
>>>
>>> What is the right way of doing this? Am I overlooking something basic
>>> here?
>>>
>>> Thanks!
>>> --
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>>> Sent from the iBATIS - User - Java mailing list archive at Nabble.com.
>>>
>>>
>>
>>
>
>
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