Package org.jdbi.v3.core.mapper

Interface ColumnMapperFactory

All Known Implementing Classes:

BitStringEnumSetMapperFactory, DurationColumnMapperFactory, GetObjectColumnMapperFactory, JavaTimeMapperFactory, JsonColumnMapperFactory, PeriodColumnMapperFactory, SqlArrayMapperFactory

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface ColumnMapperFactory

Factory interface used to produce column mappers.

Method Summary

Modifier and Type	Method	Description
Optional<ColumnMapper<?>>	build(Type type, ConfigRegistry config)	Supplies a column mapper which will map columns to type if the factory supports it; empty otherwise.
static ColumnMapperFactory	of(Type type, ColumnMapper<?> mapper)	Create a ColumnMapperFactory from a given ColumnMapper that matches a single Type exactly.

Method Details

build

Optional<ColumnMapper<?>> build(Type type,
 ConfigRegistry config)

Supplies a column mapper which will map columns to type if the factory supports it; empty otherwise.

Parameters:

type - the target type to map to

config - the config registry, for composition

Returns:

a column mapper for the given type if this factory supports it, or Optional.empty() otherwise.

See Also:

• for composition

of

static ColumnMapperFactory of(Type type,
 ColumnMapper<?> mapper)

Create a ColumnMapperFactory from a given ColumnMapper that matches a single Type exactly.

Parameters:

type - the type to match with equals.

mapper - the mapper to return

Returns:

the factory