Enum RetentionPolicy 

pub enum RetentionPolicy {
    None,
    AgeBased {
        max_age_days: u32,
    },
    CountBased {
        max_message_count: u32,
    },
}

Message retention policy — when messages in a session should be cleaned up.

Variants

None

Keep messages forever (default).

AgeBased

Delete messages older than max_age_days.

Fields

max_age_days: u32

Maximum age in days before cleanup; must be ≥ 1.

CountBased

Keep at most max_message_count messages; oldest are cleaned up first.

Fields

max_message_count: u32

Maximum number of retained messages; must be ≥ 1.

Trait Implementations

impl Clone for RetentionPolicy

fn clone(&self) -> RetentionPolicy

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RetentionPolicy

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for RetentionPolicy

fn deserialize<__D>( __deserializer: __D, ) -> Result<RetentionPolicy, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for RetentionPolicy

fn serialize<__S>( &self, __serializer: __S, ) -> Result<<__S as Serializer>::Ok, <__S as Serializer>::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.