org.fryske_akademy.services

Interface Auditing

All Superinterfaces:

CrudReadService

All Known Implementing Classes:

AbstractCrudServiceEnvers

public interface Auditing
extends CrudReadService

Generic interface for entity history.

Author:

eduard

Nested Class Summary

Nested classes/interfaces inherited from interface org.fryske_akademy.services.CrudReadService

CrudReadService.SORTORDER

Method Summary

Modifier and Type	Method and Description
<T> T	getRevision(Number n, Class<T> type) get historical data for a certain revision
<T> List<RevInfo<T>>	getRevisionInfo(Serializable id, Integer max, Class<T> type) return a list holding revision information, newest come first
<T> List<Number>	getRevisionNumbers(Serializable id, Class<T> type) return list of revision numbers, first is the oldest
<T extends EntityInterface> T	previousState(Serializable id, Class<T> type, @Positive int stepsBack) Return the state before the last crud operation on an entity, or null when not found (or for insert).

Methods inherited from interface org.fryske_akademy.services.CrudReadService

count, countDynamic, find, find, find, findAll, findDynamic, findExactlyOne, findNative, findNative, findOne, getDefaultPageSize, stream, streamAll, streamDynamic, streamNative

Method Detail

getRevisionNumbers

<T> List<Number> getRevisionNumbers(Serializable id,
                                    Class<T> type)

return list of revision numbers, first is the oldest

Parameters:

id -

Returns:

getRevision

<T> T getRevision(Number n,
                  Class<T> type)

get historical data for a certain revision

Type Parameters:

T -

Parameters:

n -

type -

Returns:

getRevisionInfo

<T> List<RevInfo<T>> getRevisionInfo(Serializable id,
                                     Integer max,
                                     Class<T> type)

return a list holding revision information, newest come first

Type Parameters:

T -

Parameters:

id -

max - the maximum to number of results to return, defaults to 5

type -

Returns:

previousState

<T extends EntityInterface> T previousState(Serializable id,
                                            Class<T> type,
                                            @Positive
                                            @Positive int stepsBack)

Return the state before the last crud operation on an entity, or null when not found (or for insert). This can be used to build undo functionality

Parameters:

id -

type -

stepsBack - how may steps back in history, 1 is the first step back