Package de.bild.codec

Class PolymorphicReflectionCodec<T>

java.lang.Object

de.bild.codec.PolymorphicReflectionCodec<T>

All Implemented Interfaces:

TypeCodec<T>, org.bson.codecs.Codec<T>, org.bson.codecs.Decoder<T>, org.bson.codecs.Encoder<T>

public class PolymorphicReflectionCodec<T>
extends Object
implements TypeCodec<T>

Constructor Summary

Constructors

Constructor	Description
PolymorphicReflectionCodec(Type type, Set<Type> validTypes, TypeCodecRegistry typeCodecRegistry, PojoContext pojoContext)

Method Summary

Modifier and Type	Method	Description
T	decode(org.bson.BsonReader reader, org.bson.codecs.DecoderContext decoderContext)
protected T	decodeWithType(org.bson.BsonReader reader, org.bson.codecs.DecoderContext decoderContext, PolymorphicCodec<T> polymorphicCodec)
boolean	documentHasId(T document)
void	encode(org.bson.BsonWriter writer, T value, org.bson.codecs.EncoderContext encoderContext)
T	generateIdIfAbsentFromDocument(T document)
PolymorphicCodec<T>	getCodecForClass(Class<?> clazz)	Walks up class hierarchy until a registered codec (in the context of registered model classes) is found
org.bson.BsonValue	getDocumentId(T document)
Class<T>	getEncoderClass()
org.bson.conversions.Bson	getTypeFilter()	Example: Or Filter{ filters=[ Filter{fieldName='_t', value=Square}, Filter{fieldName='_discriminatorKey', value=Circle} ] }
boolean	isCollectible()

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.bild.codec.TypeCodec

defaultInstance, getDecodingPojoFailureStrategy

Constructor Details

PolymorphicReflectionCodec

public PolymorphicReflectionCodec(Type type,
 Set<Type> validTypes,
 TypeCodecRegistry typeCodecRegistry,
 PojoContext pojoContext)

Method Details

decode

public T decode(org.bson.BsonReader reader,
 org.bson.codecs.DecoderContext decoderContext)

Specified by:

decode in interface org.bson.codecs.Decoder<T>

decodeWithType

protected T decodeWithType(org.bson.BsonReader reader,
 org.bson.codecs.DecoderContext decoderContext,
 PolymorphicCodec<T> polymorphicCodec)

encode

public void encode(org.bson.BsonWriter writer,
 T value,
 org.bson.codecs.EncoderContext encoderContext)

Specified by:

encode in interface org.bson.codecs.Encoder<T>

getCodecForClass

public PolymorphicCodec<T> getCodecForClass(Class<?> clazz)

Walks up class hierarchy until a registered codec (in the context of registered model classes) is found

Returns:

a codec responsible for a valid class within the class hierarchy

getEncoderClass

public Class<T> getEncoderClass()

Specified by:

getEncoderClass in interface org.bson.codecs.Encoder<T>

isCollectible

public boolean isCollectible()

Specified by:

isCollectible in interface TypeCodec<T>

generateIdIfAbsentFromDocument

public T generateIdIfAbsentFromDocument(T document)

Specified by:

generateIdIfAbsentFromDocument in interface TypeCodec<T>

documentHasId

public boolean documentHasId(T document)

Specified by:

documentHasId in interface TypeCodec<T>

getDocumentId

public org.bson.BsonValue getDocumentId(T document)

Specified by:

getDocumentId in interface TypeCodec<T>

getTypeFilter

public org.bson.conversions.Bson getTypeFilter()

Example: Or Filter{ filters=[ Filter{fieldName='_t', value=Square}, Filter{fieldName='_discriminatorKey', value=Circle} ] }

Specified by:

getTypeFilter in interface TypeCodec<T>

Returns:

the filter needed to find all types this codec is responsible for