Struct VCFArrayBuilder 

pub struct VCFArrayBuilder { /* private fields */ }

A builder for creating a ArrayRef from a VCF file.

Implementations

impl VCFArrayBuilder

pub fn create( schema: SchemaRef, capacity: usize, projection: Option<Vec<usize>>, header: Arc<Header>, ) -> Result<Self, ArrowError>

Creates a new VCFArrayBuilder from a Schema.

pub fn append<T>(&mut self, record: T) -> Result<(), ArrowError>

where T: VCFRecord,

Appends a record to the builder.

Trait Implementations

impl ExonArrayBuilder for VCFArrayBuilder

fn finish(&mut self) -> Vec<ArrayRef>

Finishes building the internal data structures and returns the built arrays.

fn len(&self) -> usize

Returns the number of elements in the array.

fn try_into_record_batch( &mut self, schema: Arc<Schema>, ) -> Result<RecordBatch, ArrowError>

Creates a record batch from the built arrays.

fn is_empty(&self) -> bool

Returns true if the array contains no elements.