Here you can find the source of getFailedMiddlePartNumbers(PartListing partListing)
static Set<Integer> getFailedMiddlePartNumbers(PartListing partListing)
//package com.java2s;
//License from project: Apache License
import com.amazonaws.services.s3.model.PartListing;
import com.amazonaws.services.s3.model.PartSummary;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
public class Main {
static Set<Integer> getFailedMiddlePartNumbers(PartListing partListing) {
AtomicInteger lastPartNumber = new AtomicInteger(0);
Set<Integer> uploadedParts = partListing.getParts().stream()
.map(PartSummary::getPartNumber)
.peek(n -> {// w ww. ja v a 2s . c om
if (lastPartNumber.get() < n) {
lastPartNumber.set(n);
}
})
.collect(Collectors.toSet());
return IntStream.range(1, lastPartNumber.get())
.filter(n -> !uploadedParts.contains(n))
.boxed()
.collect(Collectors.toSet());
}
}