Struct rdkafka::topic_partition_list::TopicPartitionList

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pub struct TopicPartitionList { /* private fields */ }
Expand description

A structure to store and manipulate a list of topics and partitions with optional offsets.

Implementations§

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impl TopicPartitionList

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pub fn new() -> TopicPartitionList

Creates a new empty list with default capacity.

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pub fn with_capacity(capacity: usize) -> TopicPartitionList

Creates a new empty list with the specified capacity.

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pub fn from_topic_map( topic_map: &HashMap<(String, i32), Offset>, ) -> KafkaResult<TopicPartitionList>

Given a topic map, generates a new TopicPartitionList.

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pub fn ptr(&self) -> *mut RDKafkaTopicPartitionList

Returns the pointer to the internal librdkafka structure.

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pub fn count(&self) -> usize

Returns the number of elements in the list.

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pub fn capacity(&self) -> usize

Returns the capacity of the list.

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pub fn add_topic_unassigned<'a>( &'a mut self, topic: &str, ) -> TopicPartitionListElem<'a>

Adds a topic with unassigned partitions to the list.

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pub fn add_partition<'a>( &'a mut self, topic: &str, partition: i32, ) -> TopicPartitionListElem<'a>

Adds a topic and partition to the list.

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pub fn add_partition_range( &mut self, topic: &str, start_partition: i32, stop_partition: i32, )

Adds a topic and partition range to the list.

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pub fn set_partition_offset( &mut self, topic: &str, partition: i32, offset: Offset, ) -> KafkaResult<()>

Sets the offset for an already created topic partition. It will fail if the topic partition isn’t in the list.

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pub fn add_partition_offset( &mut self, topic: &str, partition: i32, offset: Offset, ) -> KafkaResult<()>

Adds a topic and partition to the list, with the specified offset.

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pub fn find_partition( &self, topic: &str, partition: i32, ) -> Option<TopicPartitionListElem<'_>>

Given a topic name and a partition number, returns the corresponding list element.

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pub fn set_all_offsets(&mut self, offset: Offset) -> Result<(), KafkaError>

Sets all partitions in the list to the specified offset.

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pub fn elements(&self) -> Vec<TopicPartitionListElem<'_>>

Returns all the elements of the list.

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pub fn elements_for_topic<'a>( &'a self, topic: &str, ) -> Vec<TopicPartitionListElem<'a>>

Returns all the elements of the list that belong to the specified topic.

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pub fn to_topic_map(&self) -> HashMap<(String, i32), Offset>

Returns a hashmap-based representation of the list.

Trait Implementations§

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impl Clone for TopicPartitionList

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fn clone(&self) -> Self

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

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

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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 Default for TopicPartitionList

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl PartialEq for TopicPartitionList

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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impl Sync for TopicPartitionList

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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where S: Into<Dispatch>,

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