Package dev.morphia.mapping.experimental

Class SingleReference<T>

java.lang.Object

dev.morphia.mapping.experimental.MorphiaReference<T>

dev.morphia.mapping.experimental.SingleReference<T>

Type Parameters:

T -

public class SingleReference<T>
extends MorphiaReference<T>

Developer note.

This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.

Constructor Summary

Constructors

Constructor	Description
SingleReference(Datastore datastore, EntityModel entityModel, Object id)

Method Summary

Modifier and Type	Method	Description
static MorphiaReference<?>	decode(Datastore datastore, Mapper mapper, PropertyModel mappedField, Class<?> paramType, org.bson.Document document)	Decodes a document in to an entity
T	get()
List<Object>	getIds()
Class<T>	getType()

Methods inherited from class dev.morphia.mapping.experimental.MorphiaReference

equals, hashCode, ignoreMissing, ignoreMissing, isResolved, resolve, toString, wrap

Methods inherited from class java.lang.Object

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

Constructor Detail

SingleReference

public SingleReference(Datastore datastore,
                       EntityModel entityModel,
                       Object id)

Parameters:

datastore - the datastore to use

entityModel - the entity's mapped class

id - the ID value

Developer note.

This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.

Method Detail

decode

public static MorphiaReference<?> decode(Datastore datastore,
                                         Mapper mapper,
                                         PropertyModel mappedField,
                                         Class<?> paramType,
                                         org.bson.Document document)

Decodes a document in to an entity

Parameters:

datastore - the datastore

mapper - the mapper

mappedField - the MappedField

paramType - the type of the underlying entity

document - the Document to decode

Returns:

the entity

get

public T get()

Specified by:

get in class MorphiaReference<T>

Returns:

returns the referenced entity if it exists. May return null.

getIds

public List<Object> getIds()

Specified by:

getIds in class MorphiaReference<T>

Returns:

the referenced IDs

getType

public Class<T> getType()

Specified by:

getType in class MorphiaReference<T>

Returns:

the referenced type