com.github.robtimus.sql.function

Interface IntSQLFunction<R>

Type Parameters:

R - The type of the result of the function.

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 IntSQLFunction<R>

Represents a function that accepts an int-valued argument and produces a result. This is the SQLException throwing equivalent of IntFunction.

Method Summary

Modifier and Type	Method and Description
R	apply(int value) Applies this function to the given argument.
static <R> IntSQLFunction<R>	checked(IntFunction<? extends R> function) Returns a function that applies the function function to its input, and unwraps any UncheckedSQLException that is thrown by throwing its cause.
static <R> IntFunction<R>	unchecked(IntSQLFunction<? extends R> function) Returns a function that applies the function function to its input, and wraps any SQLException that is thrown in an UncheckedSQLException.

Method Detail

apply

R apply(int value)
 throws SQLException

Applies this function to the given argument.

Parameters:

value - The function argument.

Returns:

The function result.

Throws:

SQLException - If an SQL error occurs.

unchecked

static <R> IntFunction<R> unchecked(IntSQLFunction<? extends R> function)

Returns a function that applies the function function to its input, and wraps any SQLException that is thrown in an UncheckedSQLException.

Type Parameters:

R - The type of the result of the function.

Parameters:

function - The function to apply when the returned function is applied.

Returns:

A function that applies the function function to its input, and wraps any SQLException that is thrown in an UncheckedSQLException.

Throws:

NullPointerException - If function is null.

checked

static <R> IntSQLFunction<R> checked(IntFunction<? extends R> function)

Returns a function that applies the function function to its input, and unwraps any UncheckedSQLException that is thrown by throwing its cause.

Type Parameters:

R - The type of the result of the function.

Parameters:

function - The function to apply when the returned function is applied.

Returns:

A function that applies the function function to its input, and unwraps any UncheckedSQLException that is thrown.

Throws:

NullPointerException - If function is null.