package gw.rating.rtm.matchop

uses gw.rating.rtm.domain.OrderedPersistenceAdapter
uses java.util.Map
uses java.util.List
uses gw.rating.rtm.query.IInterpolationState

interface InterpolatingMatchOperator {
  /**
   * Performs the interpolation
   */
  function interpolateResult(interpState : IInterpolationState, factorCodes : List<String>) : Map<String,Object>

  /**
   * Identifies the rows to execute the interpolation onto
   */
  function extractInterpolationRows(interpState  : IInterpolationState,
                                    matchOps     : List<StatelessMatchOperator>,
                                    numActiveOps : int,
                                    matchedRows  : List<OrderedPersistenceAdapter>) : IInterpolationState

  /**
   * Number of points needed by the interpolation strategy on each side of target
   */
  property get NumInterpolationPointsNeeded() : int
}