What does 1 Kings 1:19 mean?

'He has sacrificed a lot of cattle, fattened calves, and sheep, and invited all the king's sons, Abiathar the priest, and Joab the army commander. But he didn't invite your servant Solomon.' 1 Kings 1:19 - Modern Text Bible

(Bathsheba describes Adonijah's public display and who he included and excluded, making it clear that Solomon is being sidelined.)