Is it possible to perform an ElasticSearch upsert with Jest

Question

After looking through the documentation, I am still unsure - If an upsert can be performed against elasticsearch with the Jest java client library?

Answer 1

I was able to do so by using the jsonBuilder:

new Update.Builder(XContentFactory.jsonBuilder().startObject().field("doc_as_upsert", true).startObject("doc").field("foo", "bar").string());