About: Mangler pattern

Mangler is a software design pattern. A Mangler is a pattern that performs multiple operations over a series of data, similar to the MapReduce function inside of Bigtable and . Typically, a mangler is fed a series of Maps from which it performs its internal operations and passes its internal state/data to an external Filter. A typical usage of the Mangler Pattern is during internal search operations. When parsing a query from an end-user, the system will try to strip out a series of un-needed tokens, reassembling the original query into a more usable, functional query.