public abstract class AbstractSelectionKey extends SelectionKey
This class tracks the validity of the key and implements cancellation.
OP_ACCEPT, OP_CONNECT, OP_READ, OP_WRITE
| Modifier | Constructor | Description |
|---|---|---|
protected |
Initializes a new instance of this class. |
attach, attachment, channel, interestOps, interestOps, interestOpsAnd, interestOpsOr, isAcceptable, isConnectable, isReadable, isWritable, readyOps, selector
protected AbstractSelectionKey()
public final boolean isValid()
SelectionKeyA key is valid upon creation and remains so until it is cancelled, its channel is closed, or its selector is closed.
isValid in class SelectionKey
true if, and only if, this key is validpublic final void cancel()
If this key has not yet been cancelled then it is added to its selector's cancelled-key set while synchronized on that set.
cancel in class SelectionKey
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https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/nio/channels/spi/AbstractSelectionKey.html