DownloadManager class

Manages the lifecycle and orchestration of download isolates. This class is responsible for initializing, tracking, and disposing download isolates, as well as delegating download tasks.

Constructors

DownloadManager.new([int maxConcurrentDownloads = MAX_ISOLATE_POOL_SIZE])
Constructs a DownloadIsolateManager with an optional maximum number of concurrent downloads.

Properties

activeTasks → List<DownloadTask>
Returns all active (downloading) tasks.
no setter
allTasks → List<DownloadTask>
Returns all download tasks currently managed.
no setter
hashCode → int
The hash code for this object.
no setterinherited
isolateSize → int
Returns the current number of isolates in the pool.
no setter
poolSize → int
Returns the configured pool size.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
stream → Stream<DownloadTask>
Provides a stream of DownloadTask updates for listeners.
no setter

Methods

addTask(DownloadTask task) → Future<DownloadTask>
Adds a new DownloadTask to the pool.
cancelTaskById(String taskId) → void
Cancels a task by its taskId.
cancelTaskByUrl(String url) → void
Cancels a task by its URL and removes it from the task list.
dispose() → void
Disposes the manager and releases all resources.
executeTask(DownloadTask task) → Future<DownloadTask>
Executes a DownloadTask, scheduling it for download.
isMatchUrlExit(String url) → bool
Checks if a task with the given match URL exists.
isUrlDownloading(String url) → bool
Checks if a task with the given URL is currently downloading.
isUrlExit(String url) → bool
Checks if a task with the given URL exists.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
pauseAllTasks() → void
Pauses all active tasks.
pauseTaskById(String taskId) → void
Pauses a task by its taskId.
pauseTaskByUrl(String url) → void
Pauses a task by its URL.
removeAllTask() → void
Cancels and removes all tasks from the manager.
resumeTaskById(String taskId) → void
Resumes a task by its taskId.
resumeTaskByUrl(String url) → void
Resumes a task by its URL.
roundIsolate() → Future<void>
Triggers the isolate pool to schedule and run tasks.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited