PersistentAccessBackend class abstract

Platform-specific creation, recovery, and lifecycle behavior.

A handle is opaque to PersistentFileAccessSet. Implementations may store a security capability, a path, or another stable serialized identifier.

Implementers

• MacOSPersistentAccessBackend
• WindowsPathPersistentAccessBackend

Constructors

PersistentAccessBackend()

const

Properties

handlesFollowMoves → bool

Whether an available handle can follow its entity to a new identity.

no setter

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

createHandle(FileSystemEntity entity) → Future<String>

Creates an opaque persistent handle for an authorized entity.

describeHandle(String handle) → PersistentAccessHandleDescription

Returns metadata encoded in handle without resolving filesystem access.

descriptionIdentity(PersistentAccessHandleDescription description) → String?

Returns a stable identity for metadata recovered from a stored handle.

entityIdentity(FileSystemEntity entity) → String

Returns a stable identity used to reject duplicate entities.

isInvalidHandleError(Object error) → bool

Whether error proves that the serialized handle is permanently invalid.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

withHandleAccess<T>(String handle, FutureOr<T> operation(FileSystemEntity entity)) → Future<T>

Runs operation with access to the file or directory stored by handle.

Operators

operator ==(Object other) → bool

The equality operator.

inherited