Struct WindowState 

pub struct WindowState {
    pub element_count: usize,
    pub size_bytes: usize,
    pub earliest_timestamp: Option<DateTime<Utc>>,
    pub latest_timestamp: Option<DateTime<Utc>>,
    pub custom: HashMap<String, Vec<u8>>,
}

State associated with a window.

Fields

element_count: usize

Number of elements in the window

size_bytes: usize

Total size in bytes

earliest_timestamp: Option<DateTime<Utc>>

Earliest element timestamp

latest_timestamp: Option<DateTime<Utc>>

Latest element timestamp

custom: HashMap<String, Vec<u8>>

Custom state

Implementations

impl WindowState

pub fn new() -> Self

Create a new empty window state.

pub fn add_element(&mut self, element: &StreamElement)

Update state with a new element.

pub fn clear(&mut self)

Clear the state.

Trait Implementations

impl Clone for WindowState

fn clone(&self) -> WindowState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for WindowState

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

Formats the value using the given formatter.

impl Default for WindowState

fn default() -> Self

Returns the “default value” for a type.