ExpiryPolicy class abstract

Defines functions to determine when cache entries will expire based on creation, access and modification operations.

Each of the functions return a new Duration that specifies the amount of time that must pass before a cache entry is considered expired.

Implementers

• AccessedExpiryPolicy
• CreatedExpiryPolicy
• EternalExpiryPolicy
• ModifiedExpiryPolicy
• TouchedExpiryPolicy

Constructors

ExpiryPolicy()

Builds a ExpiryPolicy

const

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

getExpiryForAccess() → Duration?

Gets the Duration before an accessed CacheEntry is considered expired.

getExpiryForCreation() → Duration

Gets the Duration before a newly created CacheEntry is considered expired.

getExpiryForUpdate() → Duration?

Gets the Duration before an updated CacheEntry is considered expired.

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

Constants

eternal → const Duration

The value used to represent a eternal duration (not eternal but close enough)