com.github.robtimus.io.function

Interface DoubleIOSupplier

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface DoubleIOSupplier

Represents a supplier of double-valued results. This is the IOException throwing equivalent of DoubleSupplier.

Method Summary

Modifier and Type	Method and Description
static DoubleIOSupplier	checked(DoubleSupplier supplier) Returns a supplier that returns the result of the supplier supplier, and unwraps any UncheckedIOException that is thrown by throwing its cause.
double	getAsDouble() Gets a result.
static DoubleSupplier	unchecked(DoubleIOSupplier supplier) Returns a supplier that returns the result of the supplier supplier, and wraps any IOException that is thrown in an UncheckedIOException.

Method Detail

getAsDouble

double getAsDouble()
            throws IOException

Gets a result.

Returns:

A result.

Throws:

IOException - If an I/O error occurs.

unchecked

static DoubleSupplier unchecked(DoubleIOSupplier supplier)

Returns a supplier that returns the result of the supplier supplier, and wraps any IOException that is thrown in an UncheckedIOException.

Parameters:

supplier - The supplier that will provide results for the returned supplier.

Returns:

A supplier that returns the result of the supplier supplier, and wraps any IOException that is thrown in an UncheckedIOException.

Throws:

NullPointerException - If supplier is null.

checked

static DoubleIOSupplier checked(DoubleSupplier supplier)

Returns a supplier that returns the result of the supplier supplier, and unwraps any UncheckedIOException that is thrown by throwing its cause.

Parameters:

supplier - The supplier that will provide results for the returned supplier.

Returns:

A supplier that returns the result of the supplier supplier, and unwraps any UncheckedIOException that is thrown.

Throws:

NullPointerException - If supplier is null.