ConcurrentTaskBatch<T extends Object> class
A task batch that executes its collection of tasks concurrently.
All tasks are started at the same time and run in parallel. The batch-level
onError and eagerError settings control how failures are handled across
the entire set of parallel operations.
- Inheritance
-
- Object
- TaskBatchBase<
T> - ConcurrentTaskBatch
Constructors
-
ConcurrentTaskBatch({bool eagerError = true, Duration? minTaskDuration, @sendable TOnTaskError? onError, @sendable TOnTaskConpletedCallback<
T> ? onTaskCompleted}) -
ConcurrentTaskBatch.from(ConcurrentTaskBatch<
T> other) -
Creates a new batch from an existing one, copying its configuration and tasks.
factory
Properties
- executionCount → int
-
The total number of tasks to be executed in the current batch.
no setteroverride
- executionIndex → int
-
The index of the currently executing task. Zero-based.
no setteroverride
- executionProgress → double
-
The execution progress as a value between 0.0 and 1.0.
Returns 0.0 if
executionCountis zero.no setteroverride - hashCode → int
-
The hash code for this object.
no setterinherited
- isExecuting → bool
-
Indicates if the batch is actively processing tasks.
no setteroverride
- isNotExecuting → bool
-
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
-
tasks
↔ Queue<
Task< T> > -
A protected queue of tasks awaiting processing, typically in FIFO order.
getter/setter pairinherited
Methods
-
add(
TTaskHandler< T> handler, {TOnTaskError? onError, bool? eagerError, Duration? minTaskDuration}) → void -
Adds a task, applying batch-level defaults for any unspecified parameters.
override
-
addAllTasks(
Iterable< Task< newTasks) → voidT> > -
Adds multiple Task objects to the end of the queue.
inherited
-
addTask(
Task< T> task) → void -
Adds a pre-configured Task to the end of the queue.
inherited
-
clearTasks(
) → bool -
Clears all tasks from the queue.
inherited
-
executeTasks(
) → TResolvableOption< T> -
Executes all tasks in the queue concurrently using a custom wait utility.
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeFirstTask(
) → bool -
Removes the first task from the queue.
inherited
-
removeLastTask(
) → bool -
Removes the last task from the queue.
inherited
-
removeTask(
Task< T> task) → bool -
Removes a specific
taskfrom the queue.inherited -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited