vertx / io.vertx.ext.stomp / DefaultNackHandler / <init>

# <init>

`DefaultNackHandler()`

STOMP compliant actions executed when receiving a `NACK` sf.frame(). It removes the acknowledges messages from the list of messages waiting for acknowledgment and trigger an StompServerHandler#onNack(Subscription, List) calls. If the `NACK` frame specifies a transaction id, the acknowledgment is delayed until the transaction commit. This handler is thread safe.

Author
Clement Escoffier