org.wildfly.clustering.marshalling.protostream.reflect.TriFunction Maven / Gradle / Ivy
/*
* Copyright The WildFly Authors
* SPDX-License-Identifier: Apache-2.0
*/
package org.wildfly.clustering.marshalling.protostream.reflect;
import java.util.Objects;
import java.util.function.Function;
/**
* A function with 3 parameters.
* @param the first function parameter type
* @param the second function parameter type
* @param the third function parameter type
* @param the function result type
* @author Paul Ferraro
*/
public interface TriFunction {
/**
* Applies this function to the given parameters.
* @param p1 the first function parameter
* @param p2 the second function parameter
* @param p3 the third function parameter
* @return the function result
*/
R apply(P1 p1, P2 p2, P3 p3);
/**
* Returns a composed function that first applies this function to its input, and then applies the {@code after} function to the result.
* If evaluation of either function throws an exception, it is relayed to the caller of the composed function.
*
* @param the type of output of the {@code after} function, and of the composed function
* @param after the function to apply after this function is applied
* @return a composed function that first applies this function and then applies the {@code after} function
* @throws NullPointerException if after is null
*/
default TriFunction andThen(Function after) {
Objects.requireNonNull(after);
return (p1, p2, p3) -> after.apply(this.apply(p1, p2, p3));
}
}