Package com.ocs.dynamo.envers.dao.impl

Class VersionedEntityDaoImpl<ID,T extends AbstractEntity<ID>,U extends VersionedEntity<ID,T>>

java.lang.Object

com.ocs.dynamo.dao.impl.BaseDaoImpl<RevisionKey<ID>,U>

com.ocs.dynamo.envers.dao.impl.VersionedEntityDaoImpl<ID,T,U>

Type Parameters:

ID - the type of the primary key

T - the type of the original entity

U - the type of the versioned entity

All Implemented Interfaces:

BaseDao<RevisionKey<ID>,U>, VersionedEntityDao<ID,T,U>

public abstract class VersionedEntityDaoImpl<ID,T extends AbstractEntity<ID>,U extends VersionedEntity<ID,T>>
extends BaseDaoImpl<RevisionKey<ID>,U>
implements VersionedEntityDao<ID,T,U>

Implementation of Data Access object for versioned entities

Author:

bas.rutten

Constructor Summary

Constructors

Constructor	Description
VersionedEntityDaoImpl()

Method Summary

Modifier and Type	Method	Description
long	count(Filter filter, boolean distinct)	Overwrite count method to query the revision tables
protected abstract U	createVersionedEntity(T t, int revision)	Creates a new instance of the versioned entity
protected void	doMap(U u)
List<U>	fetch(Filter filter, FetchJoinInformation... joins)
List<U>	fetch(Filter filter, Pageable pageable, FetchJoinInformation... joins)
U	fetchById(RevisionKey<ID> id, FetchJoinInformation... joins)
List<U>	fetchByIds(List<RevisionKey<ID>> ids, SortOrders sortOrders, FetchJoinInformation... joins)
List<RevisionKey<ID>>	findIds(Filter filter, SortOrder... sortOrders)
Number	findRevisionNumber(LocalDateTime ldt)	Finds the revision number corresponding to a certain date
List<U>	findRevisions(ID id)	Returns a list of revisions for an entity
abstract Class<T>	getBaseEntityClass()	Returns the class of the "base entity" (i.e.
protected com.querydsl.core.types.dsl.EntityPathBase<U>	getDslRoot()	Returns the Query DSL root.
void	init()

Methods inherited from class com.ocs.dynamo.dao.impl.BaseDaoImpl

addParameter, count, createDeleteClause, createQuery, createUpdateClause, delete, delete, fetch, fetchByIds, fetchByUniqueProperty, find, find, findAll, findAll, findById, findByUniqueProperty, findDistinct, findDistinctInCollectionTable, findIds, findSelect, findSelect, flushAndClear, getEntityManager, getFetchJoins, getFirstValue, getFirstValueOptional, save, save

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.ocs.dynamo.dao.BaseDao

count, delete, delete, fetch, fetchByIds, fetchByUniqueProperty, find, find, findAll, findAll, findById, findByUniqueProperty, findDistinct, findDistinctInCollectionTable, findIds, findSelect, findSelect, flushAndClear, getEntityClass, save, save

Constructor Detail

VersionedEntityDaoImpl

public VersionedEntityDaoImpl()

Method Detail

count

@Transactional
public long count(Filter filter,
                  boolean distinct)

Overwrite count method to query the revision tables

Specified by:

count in interface BaseDao<ID,T extends AbstractEntity<ID>>

Overrides:

count in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

createVersionedEntity

protected abstract U createVersionedEntity(T t,
                                           int revision)

Creates a new instance of the versioned entity

Returns:

doMap

protected void doMap(U u)

fetch

@Transactional
public List<U> fetch(Filter filter,
                     FetchJoinInformation... joins)

Specified by:

fetch in interface BaseDao<ID,T extends AbstractEntity<ID>>

Overrides:

fetch in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

fetch

@Transactional
public List<U> fetch(Filter filter,
                     Pageable pageable,
                     FetchJoinInformation... joins)

Specified by:

fetch in interface BaseDao<ID,T extends AbstractEntity<ID>>

Overrides:

fetch in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

fetchById

@Transactional
public U fetchById(RevisionKey<ID> id,
                   FetchJoinInformation... joins)

Specified by:

fetchById in interface BaseDao<ID,T extends AbstractEntity<ID>>

Overrides:

fetchById in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

fetchByIds

public List<U> fetchByIds(List<RevisionKey<ID>> ids,
                          SortOrders sortOrders,
                          FetchJoinInformation... joins)

Specified by:

fetchByIds in interface BaseDao<ID,T extends AbstractEntity<ID>>

Overrides:

fetchByIds in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

findIds

public List<RevisionKey<ID>> findIds(Filter filter,
                                     SortOrder... sortOrders)

Specified by:

findIds in interface BaseDao<ID,T extends AbstractEntity<ID>>

Overrides:

findIds in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

findRevisionNumber

public Number findRevisionNumber(LocalDateTime ldt)

Description copied from interface: VersionedEntityDao

Finds the revision number corresponding to a certain date

Specified by:

findRevisionNumber in interface VersionedEntityDao<ID,T extends AbstractEntity<ID>,U extends VersionedEntity<ID,T>>

Parameters:

ldt - the date

Returns:

findRevisions

@Transactional
public List<U> findRevisions(ID id)

Description copied from interface: VersionedEntityDao

Returns a list of revisions for an entity

Specified by:

findRevisions in interface VersionedEntityDao<ID,T extends AbstractEntity<ID>,U extends VersionedEntity<ID,T>>

Parameters:

id - the ID of the original entity

Returns:

a list of revisions of the entity

getBaseEntityClass

public abstract Class<T> getBaseEntityClass()

Returns the class of the "base entity" (i.e. the non-versioned class)

Returns:

getDslRoot

protected com.querydsl.core.types.dsl.EntityPathBase<U> getDslRoot()

Returns the Query DSL root. This is not supported for versioned entities

Specified by:

getDslRoot in class BaseDaoImpl<RevisionKey<ID>,U extends VersionedEntity<ID,T>>

init

@PostConstruct
public void init()