CachedRateProvider class

An in-memory cached rate provider that wraps another provider.

PkCurrencyFormatter.configureRates(
  CachedRateProvider(
    ExchangeRateApiProvider(),
    ttl: Duration(hours: 1),
  ),
);

Implemented types

• CurrencyRateProvider

Constructors

CachedRateProvider(CurrencyRateProvider _inner, {Duration ttl = const Duration(hours: 1)})

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

ttl → Duration

final

Methods

clearCache() → void

getAllRates(String base) → Future<Map<String, double>>

Returns all rates relative to base currency.

override

getRate(String from, String to) → Future<double>

Returns the exchange rate from from to to.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited