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LegacyBoundedSource

spatialrust_records

Struct LegacyBoundedSource 

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pub struct LegacyBoundedSource<S> { /* private fields */ }
Expand description

Adapts an existing record source without changing its public trait.

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impl<S: SpatialRecordSource> LegacyBoundedSource<S>

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pub fn try_new( source: S, options: StreamOptions, cancellation: CancellationToken, ) -> RecordsResult<Self>

Wraps source, reserving its declared maximum before each pull.

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pub fn into_inner(self) -> S

Consumes the adapter and returns the legacy source.

Trait Implementations§

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impl<S: SpatialRecordSource> BoundedSpatialRecordSource for LegacyBoundedSource<S>

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fn schema(&self) -> &SchemaDescriptor

Schema shared by every emitted record.
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fn options(&self) -> &StreamOptions

Validated execution options.
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fn memory_tracker(&self) -> &MemoryTracker

Exact tracker shared by emitted chunk leases.
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fn cancellation_token(&self) -> CancellationToken

Cooperative cancellation state checked at chunk boundaries.
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fn max_chunk_bytes(&self) -> u64

Conservative maximum resident bytes for one emitted chunk.
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fn next_chunk(&mut self) -> Option<RecordsResult<SpatialRecordChunk>>

Returns the next leased chunk, or None after an explicit end.

Auto Trait Implementations§

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impl<S> Freeze for LegacyBoundedSource<S>
where S: Freeze,

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impl<S> RefUnwindSafe for LegacyBoundedSource<S>
where S: RefUnwindSafe,

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impl<S> Send for LegacyBoundedSource<S>
where S: Send,

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impl<S> Sync for LegacyBoundedSource<S>
where S: Sync,

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impl<S> Unpin for LegacyBoundedSource<S>
where S: Unpin,

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impl<S> UnsafeUnpin for LegacyBoundedSource<S>
where S: UnsafeUnpin,

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impl<S> UnwindSafe for LegacyBoundedSource<S>
where S: UnwindSafe,

Blanket Implementations§

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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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

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

Performs the conversion.