AbstractSelectionKey (moe.ios.core API)

java.lang.Object
- java.nio.channels.SelectionKey
- - java.nio.channels.spi.AbstractSelectionKey

```
public abstract class AbstractSelectionKey
extends SelectionKey
```
AbstractSelectionKey is the base implementation class for selection keys. It implements validation and cancellation methods.

- Field Summary
  - Fields inherited from class java.nio.channels.SelectionKey
    OP_ACCEPT, OP_CONNECT, OP_READ, OP_WRITE
- Constructor Summary
  
  Constructors
  Modifier Constructor Description
  
  protected AbstractSelectionKey()
  Constructs a new AbstractSelectionKey.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void cancel()
  Cancels this key.
  
  boolean isValid()
  Indicates whether this key is valid.
  - Methods inherited from class java.nio.channels.SelectionKey
    attach, attachment, channel, interestOps, interestOps, isAcceptable, isConnectable, isReadable, isWritable, readyOps, selector
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbstractSelectionKey
```
protected AbstractSelectionKey()
```
    Constructs a new AbstractSelectionKey.
- Method Detail
  - isValid
```
public final boolean isValid()
```
    Indicates whether this key is valid. A key is valid as long as it has not been canceled.
    
    Specified by:
    
    isValid in class SelectionKey
    
    Returns:
    
    true if this key has not been canceled, false otherwise.
  - cancel
```
public final void cancel()
```
    Cancels this key.
    A key that has been canceled is no longer valid. Calling this method on an already canceled key does nothing.
    
    Specified by:
    
    cancel in class SelectionKey