io.vertx.sqlclient.templates

Interface TupleMapper<T>

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 TupleMapper<T>

Map an arbitrary T object to a Tuple.

Method Summary

Modifier and Type	Method and Description
static TupleMapper<JsonObject>	jsonObject() Map a JsonObject to a Tuple.
Tuple	map(Function<Integer,String> mapping, int size, T params) The internal mapper contract that builds a tuple.
static <T> TupleMapper<T>	mapper(Function<T,Map<String,Object>> fn) Create a mapper that associates a parameters object to a map of named parameters to their respective value.

Method Detail

mapper

static <T> TupleMapper<T> mapper(Function<T,Map<String,Object>> fn)

Create a mapper that associates a parameters object to a map of named parameters to their respective value.

Parameters:

fn - the function turning a parameters object into a map

Returns:

the mapper

jsonObject

static TupleMapper<JsonObject> jsonObject()

Map a JsonObject to a Tuple.

map

Tuple map(Function<Integer,String> mapping,
          int size,
          T params)

The internal mapper contract that builds a tuple.

Parameters:

mapping - associates an index to template parameter name

size - the tuple size

params - the parameters object

Returns:

the tuple