Package dev.morphia.mapping.codec.references

Class ReferenceCodec

java.lang.Object

dev.morphia.mapping.codec.BaseReferenceCodec<Object>

dev.morphia.mapping.codec.references.ReferenceCodec

All Implemented Interfaces:

PropertyHandler, Codec<Object>, Decoder<Object>, Encoder<Object>

@MorphiaInternal
public class ReferenceCodec
extends BaseReferenceCodec<Object>
implements PropertyHandler

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
ReferenceCodec(Datastore datastore, PropertyModel propertyModel)	Creates a codec

Method Summary

Modifier and Type	Method	Description
Object	decode(BsonReader reader, DecoderContext decoderContext)
Object	encode(Object value)	Encodes the value
void	encode(BsonWriter writer, Object instance, EncoderContext encoderContext)
static Object	encodeId(Mapper mapper, Object value, EntityModel model)	Encodes a value
Class	getEncoderClass()
static Object	processId(Datastore datastore, Object decode, DecoderContext decoderContext)	Decodes an ID value

Methods inherited from class dev.morphia.mapping.codec.BaseReferenceCodec

getDatastore, getEntityModelForField, getPropertyModel, getReferenceAnnotation, getTypeData

Methods inherited from class java.lang.Object

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

Constructor Detail

ReferenceCodec

public ReferenceCodec(Datastore datastore,
                      PropertyModel propertyModel)

Creates a codec

Parameters:

datastore -

propertyModel - the reference property

Method Detail

encodeId

@Nullable
@MorphiaInternal
public static Object encodeId(Mapper mapper,
                              Object value,
                              EntityModel model)

Encodes a value

Parameters:

mapper -

value - the value to encode

model - the mapped class of the field type

Returns:

the encoded value

Developer note.

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

processId

@NonNull
public static Object processId(Datastore datastore,
                               Object decode,
                               DecoderContext decoderContext)

Decodes an ID value

Parameters:

datastore - the Datastore to use

decode - the value to decode

decoderContext - the decoder context

Returns:

the decoded value

decode

@Nullable
public Object decode(BsonReader reader,
                     DecoderContext decoderContext)

Specified by:

decode in interface Decoder<Object>

encode

@Nullable
public Object encode(Object value)

Description copied from interface: PropertyHandler

Encodes the value

Specified by:

encode in interface PropertyHandler

Parameters:

value - the value

Returns:

the encoded value

encode

public void encode(BsonWriter writer,
                   Object instance,
                   EncoderContext encoderContext)

Specified by:

encode in interface Encoder<Object>

getEncoderClass

public Class getEncoderClass()

Specified by:

getEncoderClass in interface Encoder<Object>