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java.lang.Objectjava.nio.channels.Selector
java.nio.channels.spi.AbstractSelector
public abstract class AbstractSelector
Constructor Summary | |
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protected |
AbstractSelector(SelectorProvider provider)
Initializes the slector. |
Method Summary | |
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protected void |
begin()
Marks the beginning of an I/O operation that might block indefinitely. |
protected Set<SelectionKey> |
cancelledKeys()
Returns the cancelled keys set. |
void |
close()
Closes the channel. |
protected void |
deregister(AbstractSelectionKey key)
Deregisters the given selection key. |
protected void |
end()
Marks the end of an I/O operation that might block indefinitely. |
protected abstract void |
implCloseSelector()
Closes the channel. |
boolean |
isOpen()
Tells whether this channel is open or not. |
SelectorProvider |
provider()
Returns the provider for this selector object. |
protected abstract SelectionKey |
register(AbstractSelectableChannel ch,
int ops,
Object att)
Registers a channel for the selection process. |
Methods inherited from class java.nio.channels.Selector |
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keys, open, select, select, selectedKeys, selectNow, wakeup |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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protected AbstractSelector(SelectorProvider provider)
provider
- the provider that created this selectorMethod Detail |
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public final void close() throws IOException
close
in class Selector
IOException
- If an error occurspublic final boolean isOpen()
isOpen
in class Selector
protected final void begin()
protected final void end()
public final SelectorProvider provider()
provider
in class Selector
protected final Set<SelectionKey> cancelledKeys()
protected abstract void implCloseSelector() throws IOException
IOException
- if an error occursprotected abstract SelectionKey register(AbstractSelectableChannel ch, int ops, Object att)
ch
- the channel registerops
- the interested operationsatt
- an attachement to the selection key
protected final void deregister(AbstractSelectionKey key)
key
- the key to deregister
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