sirius.db.mongo.types

Class MongoRefList<E extends MongoEntity>

java.lang.Object

sirius.db.mixing.types.SafeList<String>

sirius.db.mixing.types.BaseEntityRefList<E,MongoRefList<E>>

sirius.db.mongo.types.MongoRefList<E>

Type Parameters:

E - the type of entities being referenced

All Implemented Interfaces:

Iterable<String>

public class MongoRefList<E extends MongoEntity>
extends BaseEntityRefList<E,MongoRefList<E>>

Represents a list of entities being referenced by id.

Field Summary

Fields inherited from class sirius.db.mixing.types.BaseEntityRefList

deleteHandler, type

Constructor Summary

Constructors

Constructor and Description
MongoRefList(Class<E> type, BaseEntityRef.OnDelete deleteHandler) Creates a new list for the given type and delete handler.

Method Summary

Modifier and Type	Method and Description
protected Optional<E>	resolve(String id, ContextInfo... context) Resolves a given ID into an entity instance.

Methods inherited from class sirius.db.mixing.types.BaseEntityRefList

add, contains, copyValue, fetchAll, fetchAllAvailable, getDeleteHandler, getType, remove, valueNeedsCopy

Methods inherited from class sirius.db.mixing.types.SafeList

add, addAll, clear, contains, copyList, data, equals, forEach, hashCode, isEmpty, isFilled, iterator, modify, original, setData, size, spliterator, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

MongoRefList

public MongoRefList(Class<E> type,
                    BaseEntityRef.OnDelete deleteHandler)

Creates a new list for the given type and delete handler.

Parameters:

type - the type of entities to store in the list

deleteHandler - the behaviour when one of the stored entities is deleted. Note that BaseEntityRef.OnDelete.SET_NULL will remove the id from the list instead of inserting a null.

Method Detail

resolve

protected Optional<E> resolve(String id,
                              ContextInfo... context)

Description copied from class: BaseEntityRefList

Resolves a given ID into an entity instance.

Specified by:

resolve in class BaseEntityRefList<E extends MongoEntity,MongoRefList<E extends MongoEntity>>

Parameters:

id - the id to resolve

context - the context used for resolving (routing etc.)

Returns:

the resolved entity wrapped as optional or an empty optional of the entity doesn't exist