On 25.06.2004 17:35, Jeff Jones wrote:
I would like to be able to dynamically generate and/or modify a pipeline at request time, so that I can create an aggregated response using one or more sub-documents, to be chosen based on the request. I'd also like to be able to choose, at the same time, appropriate Transformers depending on the data requested, and probably choose a Serializer as well. In short, I'd like to be able to build a pipeline from scratch at request time.
I'd really rather not do this by performing if/else logic with a Selector in the sitemap, because I don't want to have to edit it every time I create a new type of sub-document.
I'm open to writing an action, using Flowscript, or just about anything else that will perform well. I looked at the API for pipeline-related classes, but I didn't see an obvious place to start. I'm also happy to achieve the same result some other way, as long as it lets me choose data sources, transforms, and output format at request time. Can anyone suggest an approach I should look at?
That's not possible, the pipeline setup is the first thing that is done. What you can do is to give the control over the pipeline selection (read: not setup) to the flow and select dependent on the document type the correct pipeline. When using resources you should reach a high level of reusability. The dynamic aggregation can be done using CInclude or XInclude.
Joerg
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