[PROTON-1756] avoid creating a Runnable on every Transfer frame send

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: proton-j-0.25.0
• Fix Version/s: proton-j-0.26.0
• Component/s: proton-j
• Assignee: Timothy A. Bish
• Reporter: Timothy A. Bish
• Created: 29/Jan/18 20:25
• Updated: 26/Mar/18 10:20
• Resolved: 29/Jan/18 20:29

Description

On each outbound Transfer frame the TransportImpl creates a new Runnable to handle overflow which sets the more value on the Transfer and rewrites the frame body.  We can use a single instance to handle this and reduce the amount of garbage create on send.