Package com.jalios.jstore

Class LogicalStampManager

java.lang.Object

com.jalios.jstore.StampManager

com.jalios.jstore.LogicalStampManager

public class LogicalStampManager
extends StampManager

This class provides logical stamps.

Author:

Olivier Dedieu

Constructor Summary

Constructors

Constructor	Description
LogicalStampManager(java.lang.String urid)	Creates a new StampManager
LogicalStampManager(java.lang.String urid, long logicalTime)	Creates a new StampManager

Method Summary

Modifier and Type	Method	Description
Stamp	getStamp()	Return a new stamp.
void	update(Stamp stamp, boolean updatePT)	Updates the clock

Methods inherited from class com.jalios.jstore.StampManager

getProgressStamp, getProgressTable, getUrid, setUrid

Methods inherited from class java.lang.Object

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

Constructor Detail

LogicalStampManager

public LogicalStampManager(java.lang.String urid,
                           long logicalTime)

Creates a new StampManager

Parameters:

urid - Unique Replica IDentifier

logicalTime - the starting logical time

LogicalStampManager

public LogicalStampManager(java.lang.String urid)

Creates a new StampManager

Parameters:

urid - Unique Replica IDentifier

Method Detail

getStamp

public Stamp getStamp()

Return a new stamp. Ensures their strict monotonicity.

Specified by:

getStamp in class StampManager

Returns:

a new stamp

update

public void update(Stamp stamp,
                   boolean updatePT)

Updates the clock

Overrides:

update in class StampManager

Parameters:

stamp - the stamp containing the new time (MUST BE greater

updatePT - if true use this stamp to update the progress table than the current time, otherwise it is ignored)

Since:

jcms-5.0.6