io.requery.query

Interface Scalar<E>

Type Parameters:

E - type of element.

All Superinterfaces:

Callable<E>

All Known Implementing Classes:

BaseScalar, ReactiveScalar, ReactorScalar, RxScalar, ScalarDelegate

public interface Scalar<E>
extends Callable<E>

Represents a single result from a query operation.

Method Summary

Modifier and Type	Method and Description
E	call()
void	consume(Consumer<? super E> action) Consume the result with the given Consumer.
CompletableFuture<E>	toCompletableFuture()
CompletableFuture<E>	toCompletableFuture(Executor executor)
Supplier<E>	toSupplier()
E	value()

Method Detail

value

E value()

Returns:

the scalar value, causing the query to be executed.

call

E call()
throws Exception

Specified by:

call in interface Callable<E>

Returns:

the scalar value, causing the query to be executed.

Throws:

Exception

consume

void consume(Consumer<? super E> action)

Consume the result with the given Consumer.

Parameters:

action - to receive the elements in this result.

toCompletableFuture

@CheckReturnValue
CompletableFuture<E> toCompletableFuture()

Returns:

CompletableFuture computing the result.

toCompletableFuture

@CheckReturnValue
CompletableFuture<E> toCompletableFuture(Executor executor)

Parameters:

executor - to perform the operation

Returns:

CompletableFuture computing the result.

toSupplier

@CheckReturnValue
Supplier<E> toSupplier()

Returns:

Supplier for the result of this query.