Package ch.tocco.nice2.persist.core.api.hibernate

Class LazyEntityList

java.lang.Object

ch.tocco.nice2.persist.core.api.entity.AbstractEntityList

ch.tocco.nice2.persist.core.api.hibernate.AbstractLazyEntityList

ch.tocco.nice2.persist.core.api.hibernate.LazyEntityList

All Implemented Interfaces:

EntityList, Iterable<Entity>

public class LazyEntityList
extends AbstractLazyEntityList

An implementation of EntityList that delays initialization until the entities are actually accessed. The entities are loaded in pages of size 50 (per default).

Nested Class Summary

Nested classes/interfaces inherited from class ch.tocco.nice2.persist.core.api.entity.AbstractEntityList

AbstractEntityList.SimpleIterator

Nested classes/interfaces inherited from interface ch.tocco.nice2.persist.core.api.entity.EntityList

EntityList.Filter

Field Summary

Fields inherited from class ch.tocco.nice2.persist.core.api.hibernate.AbstractLazyEntityList

keys, pageSize

Constructor Summary

Constructors

Constructor	Description
LazyEntityList(EntityManager entityManager, PrimaryKeyList keys)

Method Summary

Modifier and Type	Method	Description
Entity	get(int index, boolean eager)	Get the entity at the specified index.
Entity	getFirstEntity()
EntityManager	getManager()	Get the entity manager.

Methods inherited from class ch.tocco.nice2.persist.core.api.hibernate.AbstractLazyEntityList

getKey, getKeys, getModel, getPageCount, getPageForIndex, getPageSize, indexOf, setPageSize, size, unwrap

Methods inherited from class ch.tocco.nice2.persist.core.api.entity.AbstractEntityList

contains, expect, expectAtLeast, expectAtMost, get, get, get, isEmpty, iterator, toList, toList

Methods inherited from class java.lang.Object

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

Methods inherited from interface ch.tocco.nice2.persist.core.api.entity.EntityList

doWithSingleResult, doWithSingleResultOr, expectAtMostOrThrow, expectOr, expectOrThrow, getOnlyResult, getOptionalOnlyResult, getOptionalOnlyResult, requireFirstEntity, spliterator, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Details

LazyEntityList

public LazyEntityList(EntityManager entityManager,
 PrimaryKeyList keys)

Method Details

get

public Entity get(int index,
 boolean eager)
           throws PersistException

Description copied from interface: EntityList

Get the entity at the specified index.

Parameters:

index - The index.

eager - true, if a page should be eagerly loaded, if the entity's state is hollow, false otherwise.

Returns:

The entity at the specified index potentially in unusable state, or null.

Throws:

PersistException

getManager

public EntityManager getManager()

Description copied from interface: EntityList

Get the entity manager.

Returns:

The entity manager.

getFirstEntity

public Entity getFirstEntity()

Returns:

the first entity or null