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ConsumerGroupMetadata

krabka_client_consumer

Struct ConsumerGroupMetadata 

Source 
pub struct ConsumerGroupMetadata {
    pub group_id: String,
    pub generation_id: i32,
    pub member_id: String,
    pub group_instance_id: Option<String>,
}
Expand description

The identity that a consumer presents to a transactional producer for KIP-447 offset-commit fencing.

This mirrors the JVM’s org.apache.kafka.clients.consumer.ConsumerGroupMetadata.

Fields§

§group_id: String

The consumer group id.

§generation_id: i32

Classic-group generation id, or the member epoch for a KIP-848 next-gen group. The client sends it verbatim in TxnOffsetCommitRequest.generation_id, which matches the JVM wire convention. The coordinator interprets it per group kind.

§member_id: String

The member id that the coordinator assigned at join time. It is empty for a simple consumer, which uses manual assignment and has no group membership.

§group_instance_id: Option<String>

group.instance.id for a static member. None for a dynamic member.

Implementations§

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impl ConsumerGroupMetadata

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pub fn for_group(group_id: impl Into<String>) -> Self

Metadata for a producer that commits offsets to a group it is not a member of, that is a manual partition assignment or a simple consumer.

The group coordinator applies no generation or member fencing to this shape.

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impl Clone for ConsumerGroupMetadata

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for ConsumerGroupMetadata

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

Formats the value using the given formatter. Read more
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impl Eq for ConsumerGroupMetadata

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impl PartialEq for ConsumerGroupMetadata

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for ConsumerGroupMetadata

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