javanna 65c7f61ad9 decouple registration of SearchExtParsers from sub fetch phases
Search section supports an ext section that is used to provide additional config needed from plugins. It is now tied to sub fetch phases because it is the only section that may need additional config, but there is no reason for the two to be tightly coupled.

It is now possible to register a searchExtParser independently from a sub fetch phase. All a search ext parser does is parsing some ext section of a search request, whose parsed resulting object is stored in the search context for later retrieval.
2016-09-09 18:05:49 +02:00
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