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Java Source Code / Java Documentation » Web Server » Rimfaxe Web Server » seda.nbio

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Class Diagram

Java Document (Java Doc)

java.lang .Object

seda.nbio .SelectSetImpl

seda.nbio .SelectSetPollImpl

SelectSetPollImpl
class SelectSetPollImpl extends SelectSetImpl (Code)
	SelectSetPollImpl is an implementation of SelectSet which uses the UNIX poll(2) system call. See Also: SelectSet

Constructor Summary
	SelectSetPollImpl() Create a SelectSetPollImpl with no SelectItems.

Method Summary
synchronized void	add(SelectItem sel) Add a SelectItem to this SelectSetPollImpl.
synchronized void	add(SelectItem selarr) Add all of the SelectItems in the given array to the SelectSetPollImpl.
synchronized SelectItem	elementAt(int index) Return the SelectItem at the given index.
synchronized SelectItem[]	getEvents(short mask) Returns an array of SelectItems for which events matching the given event mask have occurred (that is, that the revents field matches the given mask).
synchronized SelectItem[]	getEvents() Returns an array of SelectItems for which some events have occurred (that is, that the revents field is nonzero).
static boolean	isSupported() Returns true if poll(2) is supported on this platform.
synchronized int	numActive() Return the number of active SelectItems in this SelectSetPollImpl.
synchronized void	remove(SelectItem sel) Remove a SelectItem from the SelectSetPollImpl.
synchronized void	remove(SelectItem selarr) Remove all of the SelectItems in the given array from the SelectSetPollImpl.
synchronized void	remove(int index) Remove the SelectItem at the given index from the SelectSetPollImpl.
int	select(int timeout) Wait for events to occur on the SelectItems in this SelectSetPollImpl. Upon return, the 'revents' field of each SelectItem will be set to the mask of events that occurred.
synchronized int	size() Return the number of SelectItems in this SelectSetPollImpl.
public String	toString()
void	update() Update any changed event masks in the SelectSet.
void	update(SelectItem sel) Update any changed event masks in this SelectItem.

Constructor Detail

SelectSetPollImpl
SelectSetPollImpl()(Code)
	Create a SelectSetPollImpl with no SelectItems.

Method Detail

add
synchronized void add(SelectItem sel)(Code)
	Add a SelectItem to this SelectSetPollImpl.

add
synchronized void add(SelectItem selarr)(Code)
	Add all of the SelectItems in the given array to the SelectSetPollImpl.

elementAt
synchronized SelectItem elementAt(int index)(Code)
	Return the SelectItem at the given index.

getEvents
synchronized SelectItem[] getEvents(short mask)(Code)
	Returns an array of SelectItems for which events matching the given event mask have occurred (that is, that the revents field matches the given mask). This is a convenience method and is not meant to be optimized; since it scans the SelectItem array and creates a new reference array, it imposes higher overhead than the application scanning the SelectItem array directly, using the size() and elementAt() methods.

getEvents
synchronized SelectItem[] getEvents()(Code)
	Returns an array of SelectItems for which some events have occurred (that is, that the revents field is nonzero). This is a convenience method and is not meant to be optimized; since it scans the SelectItem array and creates a new reference array, it imposes higher overhead than the application scanning the SelectItem array directly, using the size() and elementAt() methods.

isSupported
static boolean isSupported()(Code)
	Returns true if poll(2) is supported on this platform.

numActive
synchronized int numActive()(Code)
	Return the number of active SelectItems in this SelectSetPollImpl.

remove
synchronized void remove(SelectItem sel)(Code)
	Remove a SelectItem from the SelectSetPollImpl.

remove
synchronized void remove(SelectItem selarr)(Code)
	Remove all of the SelectItems in the given array from the SelectSetPollImpl.

remove
synchronized void remove(int index)(Code)
	Remove the SelectItem at the given index from the SelectSetPollImpl.

select
int select(int timeout)(Code)
	Wait for events to occur on the SelectItems in this SelectSetPollImpl. Upon return, the 'revents' field of each SelectItem will be set to the mask of events that occurred. Note that this method does not set revents to 0 when called; after processing an event, it is the application's responsibility to clear the revents field. This is intentional: if the application wishes to delay the processing of an event, it can leave the revents field as-is so that subsequent calls to select will continue to indicate that the event is pending. IMPORTANT NOTE: If timeout is non-zero, this call will block the thread which invokes it. If you are using Green Threads, this will block the entire JVM. Unless you have a single-threaded application, you should only use SelectSet.select() with native threads. Parameters: timeout - The maximum number of milliseconds to block waitingfor an event to occur. A timeout of 0 means than select should not block;a timeout of -1 means that select should block indefinitely. The number of events received, or 0 if no events occurred.

size
synchronized int size()(Code)
	Return the number of SelectItems in this SelectSetPollImpl.

toString
public String toString()(Code)

update
void update()(Code)
	Update any changed event masks in the SelectSet. Does nothing in this implementation.

update
void update(SelectItem sel)(Code)
	Update any changed event masks in this SelectItem. Does nothing in this implementation.

Methods inherited from seda.nbio.SelectSetImpl

abstract void add(SelectItem sel)(Code)(Java Doc)
abstract void add(SelectItem selarr)(Code)(Java Doc)
abstract SelectItem elementAt(int index)(Code)(Java Doc)
abstract SelectItem[] getEvents(short mask)(Code)(Java Doc)
abstract SelectItem[] getEvents()(Code)(Java Doc)
abstract int numActive()(Code)(Java Doc)
abstract void remove(SelectItem sel)(Code)(Java Doc)
abstract void remove(SelectItem selarr)(Code)(Java Doc)
abstract void remove(int index)(Code)(Java Doc)
abstract int select(int timeout)(Code)(Java Doc)
abstract int size()(Code)(Java Doc)
abstract void update()(Code)(Java Doc)
abstract void update(SelectItem sel)(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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