net.e6tech.elements.common.util.function.FunctionWithException Maven / Gradle / Ivy
/*
* Copyright 2017 Futeh Kao
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package net.e6tech.elements.common.util.function;
import java.util.Objects;
@SuppressWarnings("squid:RedundantThrowsDeclarationCheck")
@FunctionalInterface
public interface FunctionWithException {
R apply(T t) throws E;
default FunctionWithException compose(FunctionWithException before) throws E{
Objects.requireNonNull(before);
return (V v) -> apply(before.apply(v));
}
default FunctionWithException andThen(FunctionWithException after) throws E {
Objects.requireNonNull(after);
return (T t) -> after.apply(apply(t));
}
}