public boolean containsEntryFor(int maturityInMonths, int tenorInMonths, int moneynessBP) {
		return entryMap.containsKey(new DataKey(maturityInMonths, tenorInMonths, moneynessBP));
	}
public boolean containsEntryFor ( int maturityInMonths , int tenorInMonths , int moneynessBP ) { return entryMap . containsKey ( new DataKey ( maturityInMonths , tenorInMonths , moneynessBP ) ) ; }
Returns true if the lattice contains an entry at the specified location.

@param maturityInMonths The maturity in months to check.
@param tenorInMonths The tenor in months to check.
@param moneynessBP The moneyness in bp to check.
@return True iff there is an entry at the specified location.