CallbackToFutureAdapter.Completer
public final class CallbackToFutureAdapter.Completer<T>
Used to complete the future returned by getFuture
Summary
Public methods |
|
|---|---|
void |
addCancellationListener(Use to propagate cancellation from the future to whatever operation is using this Completer. |
boolean |
set(T value)Sets the result of the |
boolean |
Cancels |
boolean |
Sets the failed result of the |
Protected methods |
|
|---|---|
void |
finalize() |
Public methods
addCancellationListener
public void addCancellationListener(
@NonNull Runnable runnable,
@NonNull Executor executor
)
Use to propagate cancellation from the future to whatever operation is using this Completer.
Will be called when the returned Future is cancelled by cancel or this Completer object is garbage collected before the future completes. Not triggered by setCancelled.
set
public boolean set(T value)
Sets the result of the Future unless the Future has already been cancelled or set. When a call to this method returns, the Future is guaranteed to be done.
| Parameters | |
|---|---|
T value |
the value to be used as the result |
| Returns | |
|---|---|
boolean |
true if this attempt completed the |
setCancelled
public boolean setCancelled()
Cancels Future unless the Future has already been cancelled or set. When a call to this method returns, the Future is guaranteed to be done.
| Returns | |
|---|---|
boolean |
true if this attempt completed the |
setException
public boolean setException(@NonNull Throwable t)
Sets the failed result of the Future unless the Future has already been cancelled or set. When a call to this method returns, the Future is guaranteed to be done.
| Returns | |
|---|---|
boolean |
true if this attempt completed the |