Is there an elegant way to process a stream in chunks?

Question

My exact scenario is inserting data to database in batches, so I want to accumulate DOM objects then every 1000, flush them.

I implemented it by putting code in the

Answer 1

If you have guava dependency on your project you could do this:

StreamSupport.stream(Iterables.partition(simpleList, 1000).spliterator(), false).forEach(...);

See https://google.github.io/guava/releases/23.0/api/docs/com/google/common/collect/Lists.html#partition-java.util.List-int-