[][src]Struct diesel::r2d2::event::NopEventHandler

pub struct NopEventHandler;

A HandleEvent implementation which does nothing.

Trait Implementations

impl Clone for NopEventHandler[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Debug for NopEventHandler[src]

impl HandleEvent for NopEventHandler[src]

fn handle_acquire(&self, event: AcquireEvent)[src]

Called when a new connection is acquired. Read more

fn handle_release(&self, event: ReleaseEvent)[src]

Called when a connection is released. Read more

fn handle_checkout(&self, event: CheckoutEvent)[src]

Called when a connection is checked out from the pool. Read more

fn handle_timeout(&self, event: TimeoutEvent)[src]

Called when a checkout attempt times out. Read more

fn handle_checkin(&self, event: CheckinEvent)[src]

Called when a connection is checked back into the pool.

impl Copy for NopEventHandler[src]

Auto Trait Implementations

impl Unpin for NopEventHandler

impl Sync for NopEventHandler

impl Send for NopEventHandler

impl UnwindSafe for NopEventHandler

impl RefUnwindSafe for NopEventHandler

Blanket Implementations

impl<T> IntoSql for T[src]

fn into_sql<T>(self) -> AsExprOf<Self, T> where
    Self: AsExpression<T> + Sized
[src]

Convert self to an expression for Diesel's query builder. Read more

fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T> where
    &'a Self: AsExpression<T>, 
[src]

Convert &self to an expression for Diesel's query builder. Read more

impl<T> From<T> for T[src]

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T, U> Into<U> for T where
    U: From<T>, 
[src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
[src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized
[src]

impl<T> Borrow<T> for T where
    T: ?Sized
[src]

impl<T> Any for T where
    T: 'static + ?Sized
[src]