org.jdbi.v3.core.mapper

Interface ColumnMapperFactory

All Known Implementing Classes:

GetObjectColumnMapperFactory, 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 and 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 Detail

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