| Package | Description | 
|---|---|
| java.nio.channels | 
 Defines channels, which represent connections to entities that are capable of
 performing I/O operations, such as files and sockets; defines selectors, for
 multiplexed, non-blocking I/O operations. 
 | 
| java.nio.channels.spi | 
 Service-provider classes for the  
java.nio.channels package. | 
| Modifier and Type | Method and Description | 
|---|---|
static Selector | 
Selector.open()
Opens a selector. 
 | 
abstract Selector | 
SelectionKey.selector()
Returns the selector for which this key was created. 
 | 
abstract Selector | 
Selector.wakeup()
Causes the first selection operation that has not yet returned to return
 immediately. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
abstract SelectionKey | 
SelectableChannel.keyFor(Selector sel)
Retrieves the key representing the channel's registration with the given
 selector. 
 | 
SelectionKey | 
SelectableChannel.register(Selector sel,
        int ops)
Registers this channel with the given selector, returning a selection
 key. 
 | 
abstract SelectionKey | 
SelectableChannel.register(Selector sel,
        int ops,
        Object att)
Registers this channel with the given selector, returning a selection
 key. 
 | 
| Modifier and Type | Class and Description | 
|---|---|
class  | 
AbstractSelector
Base implementation class for selectors. 
 | 
| Modifier and Type | Method and Description | 
|---|---|
SelectionKey | 
AbstractSelectableChannel.keyFor(Selector sel)  | 
SelectionKey | 
AbstractSelectableChannel.register(Selector sel,
        int ops,
        Object att)
Registers this channel with the given selector, returning a selection key. 
 | 
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