jdk.nio.channels.CompletionHandler
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.
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.
completedclj
(completed this result attachment)Invoked when an operation has completed.
result - The result of the I/O operation. - V
attachment - The object attached to the I/O operation when it was initiated. - A
Invoked when an operation has completed. result - The result of the I/O operation. - `V` attachment - The object attached to the I/O operation when it was initiated. - `A`
failedclj
(failed this exc attachment)Invoked when an operation fails.
exc - The exception to indicate why the I/O operation failed - java.lang.Throwable
attachment - The object attached to the I/O operation when it was initiated. - A
Invoked when an operation fails. exc - The exception to indicate why the I/O operation failed - `java.lang.Throwable` attachment - The object attached to the I/O operation when it was initiated. - `A`
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