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PullOptions

rocketmq_client_rust

Struct PullOptions 

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

Validated parameters for one Classic Pull request.

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impl PullOptions

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pub fn new( message_queue: MessageQueue, selector: MessageSelector, offset: i64, max_messages: i32, ) -> ClientResult<Self>

Creates validated pull options with Java-compatible ordinary-pull defaults.

§Errors

Returns an error when the queue has no topic or broker, the offset is negative, or the requested message count is not positive.

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pub fn max_size_in_bytes(self, max_size_in_bytes: i32) -> Self

Sets the maximum response payload size accepted from the broker.

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pub fn timeout(self, timeout: Duration) -> Self

Sets the client-side request timeout.

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pub fn broker_suspend_timeout(self, timeout: Duration) -> Self

Sets the broker-side long-poll suspension timeout.

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pub fn block_if_not_found(self, block_if_not_found: bool) -> Self

Enables or disables block-if-not-found long polling.

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pub fn validate(&self) -> ClientResult<()>

Validates the complete option set.

§Errors

Returns an error for an incomplete queue, negative offset, non-positive count or size, zero timeout, or a block-if-not-found timeout that cannot outlive broker suspension.

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pub fn message_queue(&self) -> &MessageQueue

Returns the target message queue.

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pub fn selector(&self) -> &MessageSelector

Returns the server-side selector.

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pub fn offset(&self) -> i64

Returns the requested queue offset.

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pub fn max_messages(&self) -> i32

Returns the maximum number of messages requested.

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pub fn max_size_in_bytes_value(&self) -> i32

Returns the maximum response payload size.

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pub fn timeout_value(&self) -> Duration

Returns the client-side timeout.

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pub fn broker_suspend_timeout_value(&self) -> Duration

Returns the broker-side suspension timeout.

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pub fn is_block_if_not_found(&self) -> bool

Returns whether block-if-not-found is enabled.

Trait Implementations§

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impl Clone for PullOptions

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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 PullOptions

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

Formats the value using the given formatter. Read more

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