Struct declarative_dataflow::ShutdownHandle

pub struct ShutdownHandle { /* fields omitted */ }

A wrapper around a vector of ShutdownButton's. Ensures they will be pressed on dropping the handle.

Methods

impl ShutdownHandle

pub fn empty() -> Self

Returns an empty shutdown handle.

pub fn from_button<T: Timestamp>(
    button: ShutdownButton<CapabilitySet<T>>
) -> Self

Wraps a single shutdown button into a shutdown handle.

pub fn add_button<T: Timestamp>(
    &mut self,
    button: ShutdownButton<CapabilitySet<T>>
)

Adds another shutdown button to this handle. This button will then also be pressed, whenever the handle is shut down or dropped.

pub fn merge_with(&mut self, other: Self)

Combines the buttons of another handle into self.

pub fn merge(left: Self, right: Self) -> Self

Combines two shutdown handles into a single one, which will control both.

Trait Implementations

impl Drop for ShutdownHandle

fn drop(&mut self)

Executes the destructor for this type.