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V
- The result type of the I/O operationA
- The type of the object attached to the I/O operationpublic interface 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 cancelled
method is invoked when
the I/O operation is cancelled by invoking the cancel
method. 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.
Method Summary | |
---|---|
void |
cancelled(A attachment)
Invoked when an operation is cancelled by invoking the cancel method. |
void |
completed(V result,
A attachment)
Invoked when an operation has completed. |
void |
failed(java.lang.Throwable exc,
A attachment)
Invoked when an operation fails. |
Method Detail |
---|
void completed(V result, A attachment)
result
- The result of the I/O operation.attachment
- The object attached to the I/O operation when it was initiated.void failed(java.lang.Throwable exc, A attachment)
exc
- The exceptionattachment
- The object attached to the I/O operation when it was initiated.void cancelled(A attachment)
cancel
method.
attachment
- The object attached to the I/O operation when it was initiated.
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Copyright 2010 Sun Microsystems, Inc. All rights reserved. Use is subject to the terms of the GNU General Public License.