org.springframework.data.convert

Class DefaultTypeMapper<S>

java.lang.Object

org.springframework.data.convert.DefaultTypeMapper<S>

All Implemented Interfaces:

TypeMapper<S>

public class DefaultTypeMapper<S>
extends Object
implements TypeMapper<S>

Default implementation of TypeMapper.

Author:

Oliver Gierke, Thomas Darimont, Christoph Strobl, Mark Paluch

Constructor Summary

Constructors

Constructor and Description
DefaultTypeMapper(TypeAliasAccessor<S> accessor) Creates a new DefaultTypeMapper using the given TypeAliasAccessor.
DefaultTypeMapper(TypeAliasAccessor<S> accessor, List<? extends TypeInformationMapper> mappers) Creates a new DefaultTypeMapper using the given TypeAliasAccessor and TypeInformationMapper s.
DefaultTypeMapper(TypeAliasAccessor<S> accessor, MappingContext<? extends PersistentEntity<?,?>,?> mappingContext, List<? extends TypeInformationMapper> additionalMappers) Creates a new DefaultTypeMapper using the given TypeAliasAccessor, MappingContext and additional TypeInformationMappers.

Method Summary

Modifier and Type	Method and Description
protected Alias	getAliasFor(TypeInformation<?> info) Returns the alias to be used for the given TypeInformation.
protected TypeInformation<?>	getFallbackTypeFor(S source) Returns the type fallback TypeInformation in case none could be extracted from the given source.
TypeInformation<?>	readType(S source) Reads the TypeInformation from the given source.
<T> TypeInformation<? extends T>	readType(S source, TypeInformation<T> basicType) Returns the TypeInformation from the given source if it is a more concrete type than the given default one.
void	writeType(Class<?> type, S dbObject) Writes type information for the given type into the given sink.
void	writeType(TypeInformation<?> info, S sink) Writes type information for the given TypeInformation into the given sink.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultTypeMapper

public DefaultTypeMapper(TypeAliasAccessor<S> accessor)

Creates a new DefaultTypeMapper using the given TypeAliasAccessor. It will use a SimpleTypeInformationMapper to calculate type aliases.

Parameters:

accessor - must not be null.

DefaultTypeMapper

public DefaultTypeMapper(TypeAliasAccessor<S> accessor,
                         List<? extends TypeInformationMapper> mappers)

Creates a new DefaultTypeMapper using the given TypeAliasAccessor and TypeInformationMapper s.

Parameters:

accessor - must not be null.

mappers - must not be null.

DefaultTypeMapper

public DefaultTypeMapper(TypeAliasAccessor<S> accessor,
                         @Nullable
                         MappingContext<? extends PersistentEntity<?,?>,?> mappingContext,
                         List<? extends TypeInformationMapper> additionalMappers)

Creates a new DefaultTypeMapper using the given TypeAliasAccessor, MappingContext and additional TypeInformationMappers. Will register a MappingContextTypeInformationMapper before the given additional mappers.

Parameters:

accessor - must not be null.

mappingContext -

additionalMappers - must not be null.

Method Detail

readType

@Nullable
public TypeInformation<?> readType(S source)

Description copied from interface: TypeMapper

Reads the TypeInformation from the given source.

Specified by:

readType in interface TypeMapper<S>

Parameters:

source - must not be null.

Returns:

readType

public <T> TypeInformation<? extends T> readType(S source,
                                                 TypeInformation<T> basicType)

Description copied from interface: TypeMapper

Returns the TypeInformation from the given source if it is a more concrete type than the given default one.

Specified by:

readType in interface TypeMapper<S>

Parameters:

source - must not be null.

basicType - must not be null.

Returns:

getFallbackTypeFor

@Nullable
protected TypeInformation<?> getFallbackTypeFor(S source)

Returns the type fallback TypeInformation in case none could be extracted from the given source.

Parameters:

source - will never be null.

Returns:

writeType

public void writeType(Class<?> type,
                      S dbObject)

Description copied from interface: TypeMapper

Writes type information for the given type into the given sink.

Specified by:

writeType in interface TypeMapper<S>

Parameters:

type - must not be null.

dbObject - must not be null.

writeType

public void writeType(TypeInformation<?> info,
                      S sink)

Description copied from interface: TypeMapper

Writes type information for the given TypeInformation into the given sink.

Specified by:

writeType in interface TypeMapper<S>

Parameters:

info - must not be null.

sink - must not be null.

getAliasFor

protected final Alias getAliasFor(TypeInformation<?> info)

Returns the alias to be used for the given TypeInformation.

Parameters:

info - must not be null

Returns:

the alias for the given TypeInformation or null of none was found or all mappers returned null.