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data structure CompositeMap

Discussion in 'Java' started by gatekeeper, May 9, 2009.

  1. gatekeeper

    gatekeeper New Member

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    DataMap is a class structure that maps a single key to multiple values.

    I'm supposed to design a class structure called JoinMap which keeps a pair of keys of two DataMaps.

    As far as I understood, a JoinMap is meant to join data from two DataMaps into a single view. It somehow reminds of the CompositeMap class structure available in the Jakarta Apache Commons Collections.

    Any idea how I should implement this ? Does anyone how a CompositeMap actually works?
     

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