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Resilience4j is a lightweight, easy-to-use fault tolerance library designed for Java8 and functional programming

There is a newer version: 2.2.0

/*
 * Copyright 2019 Kyuhyen Hwang
 *
 * 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 io.github.resilience4j.fallback;

import io.vavr.CheckedFunction0;

import java.util.List;

/**
 * {@link FallbackDecorator} resolver
 */
public class FallbackDecorators {

    private final List fallbackDecorators;
    private final FallbackDecorator defaultFallbackDecorator = new DefaultFallbackDecorator();

    public FallbackDecorators(List fallbackDecorators) {
        this.fallbackDecorators = fallbackDecorators;
    }

    /**
     * find a {@link FallbackDecorator} by return type of the {@link FallbackMethod} and decorate
     * supplier
     *
     * @param fallbackMethod fallback method that handles supplier's exception
     * @param supplier       original function
     * @return a function which is decorated by a {@link FallbackMethod}
     */
    public CheckedFunction0