PollingFileChangeToken class
A change token that polls for file changes.
This token checks the file's last modified time at regular intervals to detect changes and invokes registered callbacks when changes occur.
- Implemented types
Constructors
- PollingFileChangeToken(File _file, {Duration pollingInterval = const Duration(seconds: 4), CancellationTokenSource? cancellationTokenSource})
- Creates a new PollingFileChangeToken for the specified file.
Properties
- activeChangeCallbacks → bool
-
Indicates if this token will pro-actively raise callbacks.
If
false, the token consumer must poll hasChanged to detect changes.no setteroverride - hasChanged → bool
-
Gets a value that indicates if a change has occurred.
no setteroverride
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
dispose(
) → void -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
registerChangeCallback(
void callback(Object? state), Object? state) → IDisposable -
Registers for a callback that will be invoked when the entry has changed.
hasChanged MUST be set before the callback is invoked.
override
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited