Struct DataBatch 

pub struct DataBatch {
    pub samples: Vec<DataSample>,
    pub metadata: HashMap<String, String>,
    pub created_at: SystemTime,
}

Batch of data samples for efficient processing

Fields

samples: Vec<DataSample>

Samples in the batch

metadata: HashMap<String, String>

Batch metadata

created_at: SystemTime

Batch creation timestamp

Implementations

impl DataBatch

pub fn new() -> Self

Create a new empty batch

pub fn add_sample(&mut self, sample: DataSample)

Add a sample to the batch

pub fn size(&self) -> usize

Get batch size

pub fn is_empty(&self) -> bool

Check if batch is empty

pub fn extract_featurematrix( &self, featurenames: &[String], ) -> Result<Vec<Vec<f64>>, MLPipelineError>

Extract feature matrix for ML processing

Trait Implementations

impl Clone for DataBatch

fn clone(&self) -> DataBatch

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DataBatch

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for DataBatch

fn default() -> Self

Returns the “default value” for a type.