cn.jdevelops.spring.springutil

接口 Optionals

public interface Optionals

Utility methods to work with Optional s.

作者

Oliver Gierke, Christoph Strobl

方法概要

限定符和类型	方法和说明
static <T> Optional<T>	firstNonEmpty(Iterable<Supplier<Optional<T>>> suppliers) Invokes the given Supplier s for Optional results one by one and returns the first non-empty one.
static <T> Optional<T>	firstNonEmpty(Supplier<Optional<T>>... suppliers) Invokes the given Supplier s for Optional results one by one and returns the first non-empty one.

方法详细资料

firstNonEmpty

@SafeVarargs
static <T> Optional<T> firstNonEmpty(Supplier<Optional<T>>... suppliers)

Invokes the given Supplier s for Optional results one by one and returns the first non-empty one.

return

Optional

参数

must not be null., t

firstNonEmpty

static <T> Optional<T> firstNonEmpty(Iterable<Supplier<Optional<T>>> suppliers)

Invokes the given Supplier s for Optional results one by one and returns the first non-empty one.

return

Optional

参数

must not be null., t