Best way to filter based on specific Dimension value?

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Hello,

I am working on a requested feature for procurement in 2012. Essentially the purchasing agents want a view where they can filter purchase requisitions based on the presence of a line that has been distributed in whole or part to a selected company. We use the "ProfitCenter" financial dimension to represent the "company" and a purchase requisition line can be distributed to any number of companies.

From what I have found on forums, etc it appears the only approach to getting the value for a specific dimension involves looping individually through the segments for each hierarchy based on the segment count. I am currently assuming only one hierarchy in the case of requisition lines. Is that a correct assumption?

Because the segments are potentially dynamic I see no good way to account for that in a query but I wanted to see if there were approaches I had not thought of or an existing class that is not documented well. I know that I want the “ProfitCenter” dimension but  using a “LIKE” query  doesn’t seem the best approach. I am not familiar with the dimension architecture in 2012 but it doesn’t seem to lend itself well to queries. Is the best I can hope for to count on the ProfitCenter being the second part of the DimensionAttributeValueCombination.DisplayValue field and using a LIKE query to try to filter?

Right now I have the following:

Join     PurchReqLine.SourceDocumentLine       to SourceDocumentLine.RecId  (1 to 1)
Join     SourceDocumentLine.RecId                       to AccountingDistribution.SourceDocumentLine  (1 to many)
Join    AccountingDistributionLedgerDimension to  DimensionAttributeValueCombination.RecId (1 to 1)
            WHERE DimensionAttributeValueCombination.DisplayValue is LIKE"*-XXX*" where XXX is the value selected by the user to filter to

Any better ideas out there? What am I missing? I am still not familiar with the Dimension architecture in 2012 to be honest and I am having a difficult time finding technical documentation on it. Any help or advice would be greatly appreciated :)

Thanks!

AnnaP