com.jalios.jstore

Class StampManager

java.lang.Object

com.jalios.jstore.StampManager

Direct Known Subclasses:

LogicalStampManager, TemporalStampManager

public abstract class StampManager
extends java.lang.Object

This interface must be implemented by classes providing stamps.

Version:

$Revision: 16792 $

Author:

Olivier Dedieu

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	REVISION

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
Stamp	getProgressStamp(java.lang.String urid) Returns the greatest stamp for a given urid.
StampTable	getProgressTable() Returns the map of greatest stamp
abstract Stamp	getStamp() Return a new stamp.
java.lang.String	getUrid() Get the value of urid.
void	setUrid(java.lang.String v) Set the value of urid.
void	update(Stamp stamp, boolean updatePT) Updates the clock and the progressTable

Methods inherited from class java.lang.Object

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

Field Detail

REVISION

public static final java.lang.String REVISION

See Also:

Constant Field Values

Constructor Detail

StampManager

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

Creates a new StampManager

Parameters:

urid - Unique Replica IDentifier

logicalTime - the starting logical time

Method Detail

getProgressTable

public StampTable getProgressTable()

Returns the map of greatest stamp

Returns:

a Stamp

Since:

jcms-4.1

getProgressStamp

public Stamp getProgressStamp(java.lang.String urid)

Returns the greatest stamp for a given urid.

Parameters:

urid - the urid

Returns:

a Stamp

getStamp

public abstract Stamp getStamp()

Return a new stamp. Ensures their strict monotonicity.

Returns:

a new stamp

update

public void update(Stamp stamp,
                   boolean updatePT)

Updates the clock and the progressTable

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

getUrid

public java.lang.String getUrid()

Get the value of urid.

Returns:

Value of urid.

setUrid

public void setUrid(java.lang.String v)

Set the value of urid.

Parameters:

v - Value to assign to urid.