Struct diesel::r2d2::event::NopEventHandler

pub struct NopEventHandler;

Available on crate feature r2d2 only.

A HandleEvent implementation which does nothing.

Trait Implementations

impl Clone for NopEventHandler

fn clone(&self) -> NopEventHandler

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for NopEventHandler

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl HandleEvent for NopEventHandler

fn handle_acquire(&self, event: AcquireEvent)

Called when a new connection is acquired.

fn handle_release(&self, event: ReleaseEvent)

Called when a connection is released.

fn handle_checkout(&self, event: CheckoutEvent)

Called when a connection is checked out from the pool.

fn handle_timeout(&self, event: TimeoutEvent)

Called when a checkout attempt times out.

fn handle_checkin(&self, event: CheckinEvent)

Called when a connection is checked back into the pool.

impl Copy for NopEventHandler