Struct InMemorySource 

pub struct InMemorySource { /* private fields */ }

Implementations

impl InMemorySource

pub fn load(reader: &mut dyn SourceReader, key_column: &str) -> Result<Self>

pub fn lookup(&self, key: &str) -> Option<&SourceRow>

pub fn contains(&self, key: &str) -> bool

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn headers(&self) -> &[String]

pub fn key_column(&self) -> &str

pub fn row_count(&self) -> usize

pub fn iter(&self) -> impl Iterator<Item = (&String, &SourceRow)>

pub fn filter(&self, conditions: &[FilterCondition]) -> Self

Filter the in-memory source, keeping only rows that match ALL filter conditions.