gusucode.com > demos工具箱matlab源码程序 > demos/countFlightsReducer.m
function countFlightsReducer(intermKeysIn, intermValsIter, outKVStore) %countFlightsReducer Reducer function for mapreduce to count flights % Copyright 2014 The MathWorks, Inc. daysSinceEpoch = days(datetime(2008,12,31) - datetime(1987,10,1))+1; dayArray = zeros(daysSinceEpoch, 1); while hasnext(intermValsIter) dayArray = dayArray + getnext(intermValsIter); end add(outKVStore, intermKeysIn, dayArray); end