in php use array_chunk split array process each chunk. in objective c doesn't seem straight forward, there cleaner way this?
- (void)processtransaction:(nsarray *)transactions { nsinteger batchcount = (transactions.count - 1) / self.batchsize + 1; (nsinteger batch = 0; batch < batchcount; batch ++) { (nsinteger batchindex = 0; batchindex < self.batchsize; batchindex++) { nsinteger index = batch * self.batchsize + batchindex; if (index >= transactions.count) { return; } transaction *transaction = [transactions objectatindex:index]; // process } // save } // done }
if // save isn't complicated do
- (void)processtransaction:(nsarray *)transactions { nsinteger batchindex = 0; (transaction *transaction in transactions) { // process batchindex++; if (batchindex >= self.batchsize) { // save batchindex = 0; } } if (batchindex > 0) { // save } // done } 