CompletionHandler
public
interface
CompletionHandler
| java.nio.channels.CompletionHandler<V, A> |
A handler for consuming the result of an asynchronous I/O operation.
The asynchronous channels defined in this package allow a completion
handler to be specified to consume the result of an asynchronous operation.
The completed method is invoked when the I/O operation
completes successfully. The failed method is invoked if the
I/O operations fails. The implementations of these methods should complete
in a timely manner so as to avoid keeping the invoking thread from dispatching
to other completion handlers.
Summary
Public methods | |
|---|---|
abstract
void
|
completed(V result, A attachment)
Invoked when an operation has completed. |
abstract
void
|
failed(Throwable exc, A attachment)
Invoked when an operation fails. |
Public methods
completed
public abstract void completed (V result,
A attachment)
Invoked when an operation has completed.
| Parameters | |
|---|---|
result |
V: The result of the I/O operation. |
attachment |
A: The object attached to the I/O operation when it was initiated. |
failed
public abstract void failed (Throwable exc, A attachment)
Invoked when an operation fails.
| Parameters | |
|---|---|
exc |
Throwable: The exception to indicate why the I/O operation failed |
attachment |
A: The object attached to the I/O operation when it was initiated. |