org.apache.catalina.tribes.transport.bio.util
Class FastQueue

java.lang.Object
  org.apache.catalina.tribes.transport.bio.util.FastQueue

public class FastQueue
extends Object

A fast queue that remover thread lock the adder thread.
Limit the queue length when you have strange producer thread problems. FIXME add i18n support to log messages

Version:

$Id: FastQueue.java 1222856 2011-12-23 21:21:31Z markt $

Author:

Rainer Jung, Peter Rossbach

Constructor Summary

FastQueue()
Generate Queue SingleRemoveSynchronizedAddLock and set add and wait Timeouts

Method Summary

boolean	add(ChannelMessage msg, Member[] destination, InterceptorPayload payload) Add new data to the queue.
long	getAddWaitTimeout() get current add wait timeout
SingleRemoveSynchronizedAddLock	getLock()
int	getMaxQueueLength()
int	getMaxSize()
long	getRemoveWaitTimeout() get current remove wait timeout
int	getSize()
boolean	isCheckLock()
boolean	isEnabled()
LinkObject	remove() Remove the complete queued object list.
void	setAddWaitTimeout(long timeout) Set add wait timeout (default 10000 msec)
void	setCheckLock(boolean checkLock)
void	setEnabled(boolean enable)
void	setMaxQueueLength(int length)
void	setMaxSize(int size)
void	setRemoveWaitTimeout(long timeout) set remove wait timeout ( default 30000 msec)
void	start() start queuing
void	stop() start queuing
void	unlockAdd() unlock queue for next add
void	unlockRemove() unlock queue for next remove

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FastQueue

public FastQueue()

Generate Queue SingleRemoveSynchronizedAddLock and set add and wait Timeouts

Method Detail

getAddWaitTimeout

public long getAddWaitTimeout()

get current add wait timeout

Returns:

current wait timeout

setAddWaitTimeout

public void setAddWaitTimeout(long timeout)

Set add wait timeout (default 10000 msec)

Parameters:

timeout -

getRemoveWaitTimeout

public long getRemoveWaitTimeout()

get current remove wait timeout

Returns:

The timeout

setRemoveWaitTimeout

public void setRemoveWaitTimeout(long timeout)

set remove wait timeout ( default 30000 msec)

Parameters:

timeout -

getMaxQueueLength

public int getMaxQueueLength()

setMaxQueueLength

public void setMaxQueueLength(int length)

isEnabled

public boolean isEnabled()

setEnabled

public void setEnabled(boolean enable)

isCheckLock

public boolean isCheckLock()

Returns:

Returns the checkLock.

setCheckLock

public void setCheckLock(boolean checkLock)

Parameters:

checkLock - The checkLock to set.

getMaxSize

public int getMaxSize()

Returns:

The max size

setMaxSize

public void setMaxSize(int size)

Parameters:

size -

unlockAdd

public void unlockAdd()

unlock queue for next add

unlockRemove

public void unlockRemove()

unlock queue for next remove

start

public void start()

start queuing

stop

public void stop()

start queuing

getSize

public int getSize()

getLock

public SingleRemoveSynchronizedAddLock getLock()

add

public boolean add(ChannelMessage msg,
                   Member[] destination,
                   InterceptorPayload payload)

Add new data to the queue. FIXME extract some method

remove

public LinkObject remove()

Remove the complete queued object list. FIXME extract some method