Package org.jdbi.v3.vavr

Class VavrCollectors

java.lang.Object

org.jdbi.v3.vavr.VavrCollectors

public class VavrCollectors
extends Object

Method Summary

Modifier and Type	Method	Description
static <T> Collector<T,?,io.vavr.control.Option<T>>	toOption()	Returns a Collector that accumulates 0 or 1 input elements into an Option<T>.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

toOption

public static <T>
Collector<T,?,io.vavr.control.Option<T>> toOption()

Returns a Collector that accumulates 0 or 1 input elements into an Option<T>. The returned collector will throw IllegalStateException whenever 2 or more elements are present in a stream. Null elements are mapped to Option.none().

Type Parameters:

T - the collected type

Returns:

a Collector which collects 0 or 1 input elements into an Option<T>.