FlowQueue class

Lightweight persistent SQLite-backed queue engine.

Constructors

FlowQueue(String tableName)

Creates a queue that persists tasks in tableName.

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

tableName → String

SQLite table used by this queue instance.

late, final

Methods

add({required String processName, required QueuePriority priority, required Future<void> function()}) → Future<String>

Adds a task to the queue and starts processing pending work.

getState(String processId) → Future<QueueState>

Returns the current state for processId.

getTask(String processId) → Future<QueueTask>

Returns the persisted task for processId.

init() → Future<void>

Opens the SQLite database and prepares this queue table.

listen(String processId) → Stream<QueueTask>

Streams state updates for processId.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

retry(String processId) → Future<String>

Creates a new pending task from an existing task.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited