Class ReferenceConverter
- java.lang.Object
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- dev.morphia.converters.TypeConverter
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- dev.morphia.converters.experimental.ReferenceConverter
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public class ReferenceConverter extends TypeConverter
A converter for MorphiaReference values- See Also:
MorphiaReference
Developer note. This is an internal item. Its function and presence are subject to change without warning. Its use is highly discouraged.
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Constructor Summary
Constructors Constructor Description ReferenceConverter(Mapper mapper)
Creates the Converter.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
decode(java.lang.Class<?> targetClass, java.lang.Object idValue, MappedField optionalExtraInfo)
decode theDBObject
and provide the corresponding java (type-safe) object
NOTE: optionalExtraInfo might be nulljava.lang.Object
encode(java.lang.Object value, MappedField optionalExtraInfo)
encode the (type-safe) java object into the correspondingDBObject
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Methods inherited from class dev.morphia.converters.TypeConverter
decode, encode, equals, getMapper, getSupportTypes, hashCode, isSupported, oneOf, oneOfClasses, setMapper, setSupportedTypes, setSupportTypes
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Constructor Detail
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ReferenceConverter
public ReferenceConverter(Mapper mapper)
Creates the Converter.- Parameters:
mapper
- the mapper
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Method Detail
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encode
public java.lang.Object encode(java.lang.Object value, MappedField optionalExtraInfo)
Description copied from class:TypeConverter
encode the (type-safe) java object into the correspondingDBObject
- Overrides:
encode
in classTypeConverter
- Parameters:
value
- The object to encodeoptionalExtraInfo
- the MappedField that contains the metadata useful for decoding- Returns:
- the encoded version of the object
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decode
public java.lang.Object decode(java.lang.Class<?> targetClass, java.lang.Object idValue, MappedField optionalExtraInfo)
Description copied from class:TypeConverter
decode theDBObject
and provide the corresponding java (type-safe) object
NOTE: optionalExtraInfo might be null- Specified by:
decode
in classTypeConverter
- Parameters:
targetClass
- the class to create and populateidValue
- the DBObject to use when populating the new instanceoptionalExtraInfo
- the MappedField that contains the metadata useful for decoding- Returns:
- the new instance
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