org.springframework.data.r2dbc.core

Interface DatabaseClient.TypedSelectSpec<T>

All Superinterfaces:

DatabaseClient.SelectSpec<DatabaseClient.TypedSelectSpec<T>>

Enclosing interface:

DatabaseClient

public static interface DatabaseClient.TypedSelectSpec<T>
extends DatabaseClient.SelectSpec<DatabaseClient.TypedSelectSpec<T>>

Contract for specifying SELECT options leading to the exchange.

Method Summary

Modifier and Type	Method and Description
<R> RowsFetchSpec<R>	as(Class<R> resultType) Define the target type the result should be mapped to.
FetchSpec<T>	fetch() Perform the SQL call and retrieve the result.
<R> RowsFetchSpec<R>	map(BiFunction<Row,RowMetadata,R> mappingFunction) Configure a result mapping function.
<R> RowsFetchSpec<R>	map(Function<Row,R> mappingFunction) Configure a result mapping function.

Methods inherited from interface org.springframework.data.r2dbc.core.DatabaseClient.SelectSpec

matching, orderBy, orderBy, page, project, project

Method Detail

as

<R> RowsFetchSpec<R> as(Class<R> resultType)

Define the target type the result should be mapped to.
Skip this step if you are anyway fine with the default conversion.

Type Parameters:

R - result type.

Parameters:

resultType - must not be null.

map

<R> RowsFetchSpec<R> map(Function<Row,R> mappingFunction)

Configure a result mapping function.

Type Parameters:

R - result type.

Parameters:

mappingFunction - must not be null.

Returns:

a FetchSpec for configuration what to fetch. Guaranteed to be not null.

map

<R> RowsFetchSpec<R> map(BiFunction<Row,RowMetadata,R> mappingFunction)

Configure a result mapping function.

Type Parameters:

R - result type.

Parameters:

mappingFunction - must not be null.

Returns:

a FetchSpec for configuration what to fetch. Guaranteed to be not null.

fetch

FetchSpec<T> fetch()

Perform the SQL call and retrieve the result.