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ImportOutcome

offline_protocol_data::doc

Enum ImportOutcome 

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pub enum ImportOutcome {
    Applied,
    Parked,
}
Expand description

What happened to the changes in an imported blob.

The distinction is load-bearing and is the reason DataDoc::import does not return (). The engine accepts a change whose causal predecessor it has never seen, and answers Ok: the change is parked, invisible to every read and absent from DataDoc::export_compacted, until the predecessor arrives. An owner that treats that Ok as “applied” will happily compact the document and delete the very records the parked change is still waiting for, which turns a recoverable gap into permanent silent loss.

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Applied

Every change in the blob applied and is readable now.

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Parked

Some or all of the blob is parked, waiting on a predecessor that has not arrived. The document is missing those changes until it does, so nothing that could destroy the missing predecessor may run.

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impl ImportOutcome

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pub fn is_parked(self) -> bool

Whether anything in the blob is still waiting on a predecessor.

Trait Implementations§

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impl Clone for ImportOutcome

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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 Copy for ImportOutcome

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impl Debug for ImportOutcome

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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 ImportOutcome

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impl PartialEq for ImportOutcome

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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 ImportOutcome

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