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- core code that does
- dependency tree calc of sources
- determine query order and potential for parallelism, probably better to figure it with always parallel and having "block" spots that wait for other sources to complete
- caching of results from each source
- handling of query timeouts
- merging results from various sources
- mapping attribute names from the API side to the SPI side
- jmx metrics for per-source usage & performance
- primaryId
- Used when a find person by primary id query is run
- Used to merge data from multiple sources (each result must have a primaryId set)
- add a list of AttributeSourceFilter
- these are called in order (sorted by ordered)
- if any filter returns false the filtered source is not executed
- filterchain style API that allows for modification of search?
- dependency tree calculation on configured attribute sources
- needs to fail to init if something is wrong with the tree
- this probably needs to be calculated and cached for each query since the tree will look different every time based on the input
- caching of results - part of XML config support
- for each configured source, set cache name or reference to Ehcache bean
- optional cache name/ref for misses
- optional cache name/ref for exceptions
- query timeout - part of XML config support
- set maximum wait for query result
- set behavior on timeout? (ignore, fail)
- merge behavior - part of XML config
- does it work for each source to have a "prepend/append/overwrite" flag?
- if so we probably need support for Spring's Orderable on the SPI impl
- attribute name mapping - part of XML config support
- for each configured source, option to allow for saying api attr "username" is actually "uid" in this spi
- which direction does this mapping work?
- attribute lists
- in the config are these the PD side or the source side of the attr mapping?
- at least one required or optional search attribute must be specified
- required search
- ALL of these attributes must be include in a query for this source to be able to run the query
- optional search
- This plus the required set make up the collection of attributes that can be used to search, attributes outside this set are ignored
- available return
- The list of attributes the source returns, this is a best-effort set and the source may return more attributes than are named in the set
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