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LayoutWriterContext

vortex_layout

Struct LayoutWriterContext 

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

State shared by every strategy participating in a single layout write.

Clones share the BufferedBytesTracker while retaining the array serialization context. Passing this context through the strategy tree keeps writer-scoped state independent of the strategy instances, which may be shared by multiple leaves or writers.

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impl LayoutWriterContext

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pub fn new(array_ctx: ArrayContext) -> Self

Creates a context for a layout write with a fresh buffered bytes tracker.

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pub fn with_buffered_bytes_tracker(self, tracker: BufferedBytesTracker) -> Self

Replaces the buffered bytes tracker, so callers can observe the counter from outside the strategy tree.

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pub fn array_ctx(&self) -> &ArrayContext

Returns the array serialization context.

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pub fn buffered_bytes_tracker(&self) -> &BufferedBytesTracker

Returns the tracker that accounts for bytes retained by layout strategies.

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pub fn buffered_bytes(&self) -> u64

Returns the number of bytes currently retained by layout strategies.

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pub fn reserve_buffered_bytes(&self, bytes: u64) -> BufferedBytesReservation

Records bytes as retained by this write until the returned reservation is dropped.

Trait Implementations§

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impl Clone for LayoutWriterContext

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fn clone(&self) -> LayoutWriterContext

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 From<Interner> for LayoutWriterContext

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fn from(array_ctx: ArrayContext) -> Self

Converts to this type from the input type.

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