RequestDeduplicator class

Prevents accidental duplicate calls to the same logical operation — e.g. a user double-tapping "Submit" before the first tap's request has returned.

Deduplication is keyed by a caller-supplied key (e.g. 'create_order'); calls with no key are never deduplicated.

Constructors

RequestDeduplicator()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

isInFlight(String key) → bool

Whether a call with key is currently in flight.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

reset() → void

Clears all tracked in-flight entries without cancelling the underlying futures. Mainly useful for tests.

run<T>(String? key, Future<T> operation(), {DeduplicationPolicy policy = DeduplicationPolicy.reuseInFlight}) → Future<T>

Runs operation under key according to policy.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited