fabric.lang
Class DefaultStatistics

java.lang.Object
  fabric.lang.DefaultStatistics

All Implemented Interfaces:

Statistics

public class DefaultStatistics
extends java.lang.Object
implements Statistics

Field Summary

static DefaultStatistics

instance

Constructor Summary

DefaultStatistics()

Method Summary

void	commitRead() Called whenever a transaction that read the object is committed
void	commitWrote() Called whenever a transaction that wrote the object is committed
int	generatePromise() Determine the duration of a promise to issue.

Methods inherited from class java.lang.Object

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

Field Detail

instance

public static final DefaultStatistics instance

Constructor Detail

DefaultStatistics

public DefaultStatistics()

Method Detail

commitRead

public void commitRead()

Description copied from interface: Statistics

Called whenever a transaction that read the object is committed

Specified by:

commitRead in interface Statistics

commitWrote

public void commitWrote()

Description copied from interface: Statistics

Called whenever a transaction that wrote the object is committed

Specified by:

commitWrote in interface Statistics

generatePromise

public int generatePromise()

Description copied from interface: Statistics

Determine the duration of a promise to issue. While a promise is outstanding, the store will not permit updates to the object to commit. This allows read-only transactions to proceed without contacting the store.

Specified by:

generatePromise in interface Statistics

Returns:

the duration, in milliseconds, of the promise.