Package com.util.lodash

Class Optional<T>

  • public final class Optional<T>
extends java.lang.Object

    • Method Detail

      • of

        public static <T> Optional<T> of​(T arg)

      • fromNullable

        public static <T> Optional<T> fromNullable​(T nullableReference)

      • empty

        public static <T> Optional<T> empty()

      • get

        public T get()

      • or

        public T or​(T defaultValue)

      • orNull

        public T orNull()

      • isEmpty

        public boolean isEmpty()

      • isPresent

        public boolean isPresent()

      • filter

        public Optional<T> filter​(java.util.function.Predicate<? super T> predicate)

      • map

        public <F> Optional<F> map​(java.util.function.Function<? super T,​F> mapper)

      • orThrow

        public <X extends java.lang.Throwable> T orThrow​(java.util.function.Supplier<? extends X> exceptionFunction)
                                          throws X extends java.lang.Throwable
        Throws:
        X extends java.lang.Throwable

      • toJavaOptional

        public java.util.Optional<T> toJavaOptional()

      • equals

        public boolean equals​(java.lang.Object o)
        Overrides:
        equals in class java.lang.Object

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object