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.

Method Summary

Modifier and Type	Method	Description
static MorphiaReference<?>	decode(Datastore datastore, Mapper mapper, MappedField mappedField, java.lang.Class paramType, com.mongodb.DBObject dbObject)	Decodes a document in to an entity
java.lang.Object	encode(Mapper mapper, java.lang.Object value, MappedField optionalExtraInfo)
T	get()
boolean	isResolved()

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

wrap

Methods inherited from class java.lang.Object

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

Method Detail

get

public T get()

Specified by:

get in class MorphiaReference<T>

Returns:

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

isResolved

public boolean isResolved()

Specified by:

isResolved in class MorphiaReference<T>

Returns:

true if this reference has already been resolved

encode

public java.lang.Object encode(Mapper mapper,
                               java.lang.Object value,
                               MappedField optionalExtraInfo)

Specified by:

encode in class MorphiaReference<T>

Parameters:

mapper - the mapper

value - the value

optionalExtraInfo - the MappedField

Returns:

the encoded vale

decode

public static MorphiaReference<?> decode(Datastore datastore,
                                         Mapper mapper,
                                         MappedField mappedField,
                                         java.lang.Class paramType,
                                         com.mongodb.DBObject dbObject)

Decodes a document in to an entity

Parameters:

datastore - the datastore

mapper - the mapper

mappedField - the MappedField

paramType - the type of the underlying entity

dbObject - the DBObject to decode

Returns:

the entity