org.mongodb.morphia.mapping

Interface CustomMapper

public interface CustomMapper

A CustomMapper if one that implements the methods needed to map to/from POJO/DBObject

Author:

skot

Method Summary

Modifier and Type	Method and Description
void	fromDBObject(Datastore datastore, DBObject dbObject, MappedField mf, Object entity, EntityCache cache, Mapper mapper) Creates an entity and populates its state based on the dbObject given.
void	toDBObject(Object entity, MappedField mf, DBObject dbObject, Map<Object,DBObject> involvedObjects, Mapper mapper) Converts an entity to a DBObject.

Method Detail

fromDBObject

void fromDBObject(Datastore datastore,
                  DBObject dbObject,
                  MappedField mf,
                  Object entity,
                  EntityCache cache,
                  Mapper mapper)

Creates an entity and populates its state based on the dbObject given. This method is primarily an internal method. Reliance on this method may break your application in future releases.

Parameters:

datastore - the Datastore to use

dbObject - the object state to use

mf - the MappedField with the metadata to use during conversion

entity - the entity to populate

cache - the EntityCache to use to prevent multiple loads of the same entities over and over

mapper - the Mapper to use

toDBObject

void toDBObject(Object entity,
                MappedField mf,
                DBObject dbObject,
                Map<Object,DBObject> involvedObjects,
                Mapper mapper)

Converts an entity to a DBObject. This method is primarily an internal method. Reliance on this method may break your application in future releases.

Parameters:

entity - the entity to convert

mf - the MappedField with the metadata to use during conversion

dbObject - the DBObject to populate

involvedObjects - a Map of objects already seen

mapper - the Mapper to use