com.github.andyshao.util.function.ExceptionableBiFunction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of Gear Show documentation

Enhance and formating the coding of JDK

The newest version!

package com.github.andyshao.util.function;

import com.github.andyshao.lang.Convert;
import com.github.andyshao.util.stream.RuntimeExceptionFactory;

import java.util.Objects;
import java.util.function.BiFunction;

/**
 * 
 * 
 * Title:

 * Descript:

 * Copyright: Copryright(c) May 28, 2019

 * Encoding: UNIX UTF-8
 * 
 * @author Andy.Shao
 *
 * @param  argument type one
 * @param  argument type two
 * @param  return type
 * @see BiFunction
 */
@FunctionalInterface
public interface ExceptionableBiFunction {
	/**
	 * apply
	 * @param t left
	 * @param u right
	 * @return ret
	 * @throws Exception any error
	 */
	R apply(T t, U u) throws Throwable;

	/**
	 * to {@link BiFunction}
	 * @param f error convert factory
	 * @return {@link BiFunction}
	 * @param  left type
	 * @param  right type
	 * @param  return type
	 */
	static  Convert, BiFunction> toBiFunction(RuntimeExceptionFactory f) {
		return input -> {
			return (t, u) -> {
				try {
					return input.apply(t, u);
				} catch (Throwable e) {
					throw f.build(e);
				}
			};
		};
	}

	/**
	 * to {@link BiFunction}
	 * @return {@link BiFunction}
	 * @param  left type
	 * @param  right type
	 * @param  return type
	 */
	static  Convert, BiFunction> toBiFunction() {
		return toBiFunction(RuntimeExceptionFactory.DEFAULT);
	}

	/**
	 * and then
	 * @param after after
	 * @return new {@link ExceptionableBiFunction}
	 * @param  return type
	 */
	default  ExceptionableBiFunction andThen(ExceptionableFunction after) {
        Objects.requireNonNull(after);
        return (T t, U u) -> after.apply(apply(t, u));
    }
}