Enum DeqNavigation

pub enum DeqNavigation {
    FirstMessage,
    NextTransaction,
    NextMessage,
}

Available on crate feature aq_unstable only.

method used for determining which message is to be dequeued from a queue

Warning: The type is unstable. It may be changed incompatibly by minor version upgrades.

Variants

FirstMessage

Retrieves the first available message that matches the search criteria. This resets the position to the beginning of the queue.

NextTransaction

Skips the remainder of the current transaction group (if any) and retrieves the first message of the next transaction group. This option can only be used if message grouping is enabled for the queue.

NextMessage

Retrieves the next available message that matches the search criteria. This is the default method.

Trait Implementations

impl Clone for DeqNavigation

fn clone(&self) -> DeqNavigation

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DeqNavigation

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

Formats the value using the given formatter.

impl PartialEq for DeqNavigation

fn eq(&self, other: &DeqNavigation) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for DeqNavigation

impl StructuralPartialEq for DeqNavigation