arch-android

//Android/br.com.arch.toolkit.android.storage.delegate/OptionalStorageDelegate

OptionalStorageDelegate

data class OptionalStorageDelegate<T : Any> : StorageDelegate<T>

A property delegate for optional values in KeyValueStorage.

It supports primitive types, Enums, and complex objects (via br.com.arch.toolkit.android.storage.ComplexDataParser). It also includes a memory cache with a ThresholdData mechanism.

Parameters

android

T	The type of data to store.

Functions

Name	Summary
getValue	[android] operator fun getValue(thisRef: Any?, property: KProperty<*>): T?
required	[android] fun required(default: T): NonOptionalStorageDelegate<T> Makes this delegate non-optional by providing a default value. [android] fun required(default: () -> T): NonOptionalStorageDelegate<T> Makes this delegate non-optional by providing a default value provider.
setValue	[android] operator fun setValue(thisRef: Any?, property: KProperty<*>, value: T?)
storage	[android] fun storage(storage: KeyValueStorage): OptionalStorageDelegate<T> Configures the KeyValueStorage for this delegate. [android] fun storage(storage: () -> KeyValueStorage): OptionalStorageDelegate<T> Configures the KeyValueStorage provider for this delegate.
threshold	[android] fun threshold(threshold: Duration): OptionalStorageDelegate<T> Configures the expiration threshold for the memory cache.

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