org.qbroker.receiver

Class LogScissor

java.lang.Object

org.qbroker.receiver.Receiver

org.qbroker.receiver.LogScissor

All Implemented Interfaces:

MessageReceiver

public class LogScissor
extends Receiver

LogScissor continuously monitors the size of the logfile and renames the file into a new name with a sequentical id if either the session times out and the file size is none zero, or the size reaches the threshold before the timeout. It then sends a JMS message to the output XQueue as the notification.

It can be used to rotate logs as long as it is safe to truncate the logs. Some applications open the logfile to append and then close it immediately. Other applications keep the logfile open all the times. It is safe to truncate the logfile on the former.

Author:

yannanlu@yahoo.com

Field Summary

Fields inherited from class org.qbroker.receiver.Receiver

capacity, displayMask, linkName, maxRetry, mode, operation, partition, pauseTime, propertyName, propertyValue, repeatPeriod, standbyTime, status, timeout, tolerance, uri, waitTime, xaMode

Fields inherited from interface org.qbroker.receiver.MessageReceiver

RCVR_CLOSED, RCVR_DISABLED, RCVR_PAUSE, RCVR_READY, RCVR_RETRYING, RCVR_RUNNING, RCVR_STANDBY, RCVR_STOPPED

Constructor Summary

Constructors

Constructor and Description
LogScissor(java.util.Map props)

Method Summary

Modifier and Type	Method and Description
void	close() closes all opened resources
protected void	finalize()
void	receive(XQueue xq, int baseTime) puts all the received JMS messages to the XQueue as the output.

Methods inherited from class org.qbroker.receiver.Receiver

getCapacity, getLinkName, getName, getOperation, getPartition, getStatus, getXAMode, isStopped, keepRunning, resetStatus, setStatus

Methods inherited from class java.lang.Object

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

Constructor Detail

LogScissor

public LogScissor(java.util.Map props)

Method Detail

receive

public void receive(XQueue xq,
                    int baseTime)

Description copied from interface: MessageReceiver

puts all the received JMS messages to the XQueue as the output. In case of failure, it should keep retry with the sleepTime in milliseconds.

Specified by:

receive in interface MessageReceiver

Specified by:

receive in class Receiver

close

public void close()

Description copied from interface: MessageReceiver

closes all opened resources

Specified by:

close in interface MessageReceiver

Specified by:

close in class Receiver

finalize

protected void finalize()

Overrides:

finalize in class java.lang.Object