A quiet, maybe too quiet, new feature of Analyzer in Pentaho 4.8 was the addition of the AnalyzerBusinessGroup annotation. This annotation will let you specify that a measure should go into a specific group rather than be lumped in with a bunch of measures. If you have just a few measures, it’s not that big a deal. But many users have a lot of measures that can be categorized and it would be nicer to have them in separate groups. I have not tried this with dimensions, but if you define them correctly it seems that it would be overkill. I also suspect that Mondrian 4′s Measure Groups will make this obsolete, but don’t know that for a fact.
Using the feature is very simple. Just add an annotation to the measure and specify the AnalyzerBusinessGroup. For example:
results in the following (using the Steel Wheels example):
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One of the biggest challenges many new users to Pentaho have is finding good documentation. A variety of documentation exists, but it’s scattered among various sources, such as the Pentaho Knowledge Base, the Mondrian site, the Pentaho wiki, and a variety of blogs. While much of this content is good, wouldn’t it be nice to have one place to go to for all things Mondrian? I’m happy to say that a book is on the way.
- Setting up and running Mondrian
- Creating schemas
- Scaling Mondrian
- Integrating Mondrian with applications and enterprise tools
The as yet to be named book will be available from Manning and we hope to have some early access versions available this summer. Early feedback is always welcome so we can make this the best book possible.
If there are specific topics you’d like to see in the book, please mention them in the comments.