pub struct MetadataTopics { /* private fields */ }Expand description
The topics of a client’s metadata requests, with the last time that each topic was used.
The lock is never held across an .await.
Implementations§
Source§impl MetadataTopics
impl MetadataTopics
Sourcepub fn new(scope: MetadataScope) -> Self
pub fn new(scope: MetadataScope) -> Self
An empty topic set with scope.
Sourcepub fn mark_refreshed(&self)
pub fn mark_refreshed(&self)
Record a successful response to Self::request, as Kafka’s
Metadata.update sets lastSuccessfulRefreshMs for a full update. It
answers any request_update made before it.
Sourcepub fn request_update(&self)
pub fn request_update(&self)
Ask for a refresh before the metadata expires, as Kafka’s
Metadata.requestUpdate does after a fetch names a stale leader or an
unknown topic.
Sourcepub fn update_requested(&self) -> bool
pub fn update_requested(&self) -> bool
Whether a refresh was asked for since the last successful one.
Sourcepub fn last_refreshed(&self) -> Option<Instant>
pub fn last_refreshed(&self) -> Option<Instant>
When a response to Self::request last succeeded, or None before
the first one.
Sourcepub const fn scope(&self) -> MetadataScope
pub const fn scope(&self) -> MetadataScope
The scope of the requests.
Sourcepub fn add(&self, topic: &str) -> bool
pub fn add(&self, topic: &str) -> bool
Add topic, or mark it as used now. Kafka’s producer calls
ProducerMetadata.add for each send. Returns whether the topic is new.
Sourcepub fn set<I, S>(&self, topics: I)
pub fn set<I, S>(&self, topics: I)
Replace the topics with topics, as a consumer subscription change
does (SubscriptionState.metadataTopics). A change of the topic set
asks for a refresh, as Kafka’s ConsumerMetadata requests an update
for new topics.
Sourcepub fn remove_idle(&self, idle: Duration) -> Vec<String>
pub fn remove_idle(&self, idle: Duration) -> Vec<String>
Remove the topics that were not used for idle and return their
names, as Kafka’s ProducerMetadata.retainTopic drops a topic after
metadata.max.idle.ms.
Trait Implementations§
Source§impl Debug for MetadataTopics
impl Debug for MetadataTopics
Source§impl Default for MetadataTopics
impl Default for MetadataTopics
Source§fn default() -> MetadataTopics
fn default() -> MetadataTopics
Auto Trait Implementations§
impl !Freeze for MetadataTopics
impl RefUnwindSafe for MetadataTopics
impl Send for MetadataTopics
impl Sync for MetadataTopics
impl Unpin for MetadataTopics
impl UnsafeUnpin for MetadataTopics
impl UnwindSafe for MetadataTopics
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