Package dev.morphia.geo

Class GeometryQueryConverter

java.lang.Object

dev.morphia.converters.TypeConverter

dev.morphia.geo.GeometryQueryConverter

All Implemented Interfaces:

SimpleValueConverter

public class GeometryQueryConverter
extends TypeConverter
implements SimpleValueConverter

Converts Point objects into DBObjects for querying only. When saving entities with Points in, this converter should not be used.

Constructor Summary

Constructors

Constructor	Description
GeometryQueryConverter(Mapper mapper)	Create a new converter.

Method Summary

Modifier and Type	Method	Description
java.lang.Object	decode(java.lang.Class<?> targetClass, java.lang.Object fromDBObject, MappedField optionalExtraInfo)	decode the DBObject and provide the corresponding java (type-safe) object NOTE: optionalExtraInfo might be null
java.lang.Object	encode(java.lang.Object value, MappedField optionalExtraInfo)	encode the (type-safe) java object into the corresponding DBObject

Methods inherited from class dev.morphia.converters.TypeConverter

decode, encode, equals, getMapper, getSupportTypes, hashCode, isSupported, oneOf, oneOfClasses, setMapper, setSupportedTypes, setSupportTypes

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryQueryConverter

public GeometryQueryConverter(Mapper mapper)

Create a new converter. Registers itself to convert Point classes.

Parameters:

mapper - the Mapper is required as this converter delegates other type encoding back to the mapper

Method Detail

decode

public java.lang.Object decode(java.lang.Class<?> targetClass,
                               java.lang.Object fromDBObject,
                               MappedField optionalExtraInfo)

Description copied from class: TypeConverter

decode the DBObject and provide the corresponding java (type-safe) object
NOTE: optionalExtraInfo might be null

Specified by:

decode in class TypeConverter

Parameters:

targetClass - the class to create and populate

fromDBObject - the DBObject to use when populating the new instance

optionalExtraInfo - the MappedField that contains the metadata useful for decoding

Returns:

the new instance

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 corresponding DBObject

Overrides:

encode in class TypeConverter

Parameters:

value - The object to encode

optionalExtraInfo - the MappedField that contains the metadata useful for decoding

Returns:

the encoded version of the object