AsyncTaskChannel class
A message channel for a running AsyncTask
Constructors
- AsyncTaskChannel({AsyncTaskChannelMessageHandler? messageHandler})
- Constructs a task channel.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- id → int
-
final
- isClosed → bool
-
Returns
true
if this channel is closed. An AsyncTaskChannel is closed when a task is finished.no setter - isInExecutionContext → bool
-
If
true
, indicated that channel calls are coming from AsyncTask.run. Iffalse
indicates that calls are from outside the AsyncTask.no setter - isInitialized → bool
-
Returns
true
if this channel is initialized.no setter - messageQueueIsEmpty → bool
-
Returns
true
if the message queue is empty.no setter - messageQueueIsNotEmpty → bool
-
Returns
true
if the message queue is NOT empty.no setter - messageQueueLength → int
-
Returns the current message queue length.
no setter
- port → AsyncTaskChannelPort
-
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- task → AsyncTask
-
Returns this channel task.
no setter
Methods
-
close(
) → void - Closes this channel.
-
initialize(
AsyncTask task, AsyncTaskChannelPort port) → void - Initialize this channel. Called by AsyncExecutor.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
readMessage<
M> () → M? -
Reads a message if available in queue or return
null
(non-blocking). -
send<
M> (M message) → void -
Sends
message
. -
sendAndWaitResponse<
M, R> (M message) → Future< R> - Calls send and waitMessage.
-
toString(
) → String -
A string representation of this object.
override
-
waitMessage<
M> () → Future< M> - Waits for a message to arrive and return it.
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited