org.springframework.data.mongodb.core.mapping

Class PersistentPropertyTranslator

java.lang.Object

org.springframework.data.mongodb.core.mapping.PersistentPropertyTranslator

public class PersistentPropertyTranslator
extends Object

Utility to translate a MongoPersistentProperty into a corresponding property from a different MongoPersistentEntity by looking it up by name.

Mainly used within the framework.

Since:

3.4

Author:

Mark Paluch

Constructor Summary

Constructors

Constructor and Description
PersistentPropertyTranslator()

Method Summary

Modifier and Type	Method and Description
static PersistentPropertyTranslator	create(MongoPersistentEntity<?> targetEntity) Create a new PersistentPropertyTranslator.
static PersistentPropertyTranslator	create(MongoPersistentEntity<?> targetEntity, Predicate<MongoPersistentProperty> translationFilter) Create a new PersistentPropertyTranslator accepting a filter predicate whether the translation should happen at all.
MongoPersistentProperty	translate(MongoPersistentProperty property) Translate a MongoPersistentProperty into a corresponding property from a different MongoPersistentEntity.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistentPropertyTranslator

public PersistentPropertyTranslator()

Method Detail

translate

public MongoPersistentProperty translate(MongoPersistentProperty property)

Translate a MongoPersistentProperty into a corresponding property from a different MongoPersistentEntity.

Parameters:

property - must not be null.

Returns:

the translated property. Can be the original property.

create

public static PersistentPropertyTranslator create(@Nullable
                                                  MongoPersistentEntity<?> targetEntity)

Create a new PersistentPropertyTranslator.

Parameters:

targetEntity - must not be null.

Returns:

the property translator to use.

create

public static PersistentPropertyTranslator create(@Nullable
                                                  MongoPersistentEntity<?> targetEntity,
                                                  Predicate<MongoPersistentProperty> translationFilter)

Create a new PersistentPropertyTranslator accepting a filter predicate whether the translation should happen at all.

Parameters:

targetEntity - must not be null.

translationFilter - must not be null.

Returns:

the property translator to use.