Interface ReactiveSelectOperation.TerminatingResults<T>

All Known Subinterfaces:

ReactiveSelectOperation.ReactiveSelect<T>, ReactiveSelectOperation.SelectWithProjection<T>, ReactiveSelectOperation.SelectWithQuery<T>, ReactiveSelectOperation.SelectWithTable<T>, ReactiveSelectOperation.TerminatingSelect<T>

Enclosing interface:

ReactiveSelectOperation

public static interface ReactiveSelectOperation.TerminatingResults<T>

Trigger SELECT execution by calling one of the terminating methods.

Since:

2.1

Author:

Mark Paluch, John Blum

Method Summary

Modifier and Type	Method	Description
Flux<T>	all()	Get all matching elements.
Mono<T>	first()	Get the first result or no result.
<R> ReactiveSelectOperation.TerminatingResults<R>	map(QueryResultConverter<? super T, ? extends R> converter)	Map the query result to a different type using QueryResultConverter.
Mono<T>	one()	Get exactly zero or one result.

Method Details

map

@Contract("_ -> new")
<R> ReactiveSelectOperation.TerminatingResults<R> map(QueryResultConverter<? super T, ? extends R> converter)

Map the query result to a different type using QueryResultConverter.

Type Parameters:

R - type of the result.

Parameters:

converter - the converter, must not be null.

Returns:

new instance of ReactiveSelectOperation.TerminatingResults.

Throws:

IllegalArgumentException - if converter is null.

Since:

5.0

first

Mono<T> first()

Get the first result or no result.

Returns:

the first result or Mono.empty() if no match found; never null.

See Also:

• Mono

one

Mono<T> one()

Get exactly zero or one result.

Returns:

exactly one result or Mono.empty() if no match found; never null.

Throws:

IncorrectResultSizeDataAccessException - if more than one match found.

See Also:

• Mono

all

Flux<T> all()

Get all matching elements.

Returns:

all matching elements; never null.

See Also:

• Flux