org.springframework.data.convert

Interface TypeMapper<S>

All Known Implementing Classes:

DefaultTypeMapper

public interface TypeMapper<S>

Interface to define strategies how to store type information in a store specific sink or source.

Author:

Oliver Gierke

Method Summary

Modifier and Type	Method and Description
TypeInformation<?>	readType(S source) Reads the TypeInformation from the given source.
<T> TypeInformation<? extends T>	readType(S source, TypeInformation<T> defaultType) 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<?> type, S dbObject) Writes type information for the given TypeInformation into the given sink.

Method Detail

readType

@Nullable
TypeInformation<?> readType(S source)

Reads the TypeInformation from the given source.

Parameters:

source - must not be null.

Returns:

readType

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

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

Parameters:

source - must not be null.

defaultType - must not be null.

Returns:

writeType

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

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

Parameters:

type - must not be null.

dbObject - must not be null.

writeType

void writeType(TypeInformation<?> type,
               S dbObject)

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

Parameters:

type - must not be null.

dbObject - must not be null.