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StartupMode

laminar_connectors::kafka::config

Enum StartupMode 

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pub enum StartupMode {
    GroupOffsets,
    Earliest,
    Latest,
    SpecificOffsets(HashMap<i32, i64>),
    Timestamp(i64),
}
Expand description

Consumer startup mode controlling where to begin consuming.

This is a higher-level abstraction than auto.offset.reset that provides more control over initial positioning, including timestamp-based and partition-specific offset assignment.

Variants§

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GroupOffsets

Use committed group offsets, fall back to auto.offset.reset if none exist.

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Earliest

Start from the earliest available offset in each partition.

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Latest

Start from the latest offset in each partition (only new messages).

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SpecificOffsets(HashMap<i32, i64>)

Start from specific offsets per partition (partition_id -> offset).

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Timestamp(i64)

Start from a specific timestamp (milliseconds since epoch). The consumer seeks to the first message with timestamp >= this value.

Implementations§

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impl StartupMode

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pub fn overrides_offset_reset(&self) -> bool

Returns true if this mode overrides auto.offset.reset behavior.

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pub fn as_offset_reset(&self) -> Option<&'static str>

Returns the equivalent auto.offset.reset value, if applicable.

Trait Implementations§

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impl Clone for StartupMode

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fn clone(&self) -> StartupMode

Returns a duplicate 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 StartupMode

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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 StartupMode

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fn default() -> StartupMode

Returns the “default value” for a type. Read more
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impl Display for StartupMode

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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 FromStr for StartupMode

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type Err = ConnectorError

The associated error which can be returned from parsing.
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fn from_str(s: &str) -> Result<Self, Self::Err>

Parses a string s to return a value of this type. Read more
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impl PartialEq for StartupMode

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fn eq(&self, other: &StartupMode) -> 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 Eq for StartupMode

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impl StructuralPartialEq for StartupMode

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