uk.ac.ed.epcc.safe.accounting.update

Interface UsageRecordPolicy

All Superinterfaces:

PropertyContainerPolicy, PropertyContainerUpdater

All Known Implementing Classes:

AggregationPolicy, BaseUsageRecordPolicy, GridPropertyPolicy, LinkPolicy, ListenerPolicy

public interface UsageRecordPolicy
extends PropertyContainerPolicy

Policy for augmenting the basic accounting data generated by a UsageRecordParser with additional policy such as derived properties and charges. An accounting scheme may have several policies applied

Author:

spb

Method Summary

Methods

Modifier and Type	Method and Description
boolean	allowReplace(PropertyContainer props, UsageRecord rec) Allow a veto on record replacement
void	postCreate(PropertyContainer props, UsageRecord rec) once record has been committed apply any side effects such as budget charging.
void	preDelete(UsageRecord rec) perform any operations required prior to an existing record being deleted, such as budget refunds

Methods inherited from interface uk.ac.ed.epcc.safe.accounting.update.PropertyContainerPolicy

parse

Methods inherited from interface uk.ac.ed.epcc.safe.accounting.update.PropertyContainerUpdater

endParse, getDerivedProperties, initFinder, modifyDefaultTableSpecification, startParse

Method Detail

postCreate

void postCreate(PropertyContainer props,
              UsageRecord rec)
                throws java.lang.Exception

once record has been committed apply any side effects such as budget charging.

Throws:

java.lang.Exception

Parameters:

props - Full set of properties from the parse stage

rec - The actual committed record

preDelete

void preDelete(UsageRecord rec)
               throws java.lang.Exception

perform any operations required prior to an existing record being deleted, such as budget refunds

Throws:

java.lang.Exception

Parameters:

rec -

allowReplace

boolean allowReplace(PropertyContainer props,
                   UsageRecord rec)

Allow a veto on record replacement

Parameters:

props - new parsed values

rec - old record

Returns:

boolean