io.spine.server.entity.storage

Interface ColumnTypeMapping<T,R>

Type Parameters:

T - the column type

R - the "persist as" type

All Superinterfaces:

java.util.function.Function<T,R>

@SPI
public interface ColumnTypeMapping<T,R>
extends java.util.function.Function<T,R>

A persistence strategy of an entity column.

Maps a column value to a stored value of type R.

Method Summary

Modifier and Type	Method and Description
static <T> ColumnTypeMapping<T,T>	identity()

Methods inherited from interface java.util.function.Function

andThen, apply, compose

Method Detail

identity

static <T> ColumnTypeMapping<T,T> identity()

Specified by:

identity in interface java.util.function.Function<T,R>