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

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package io.github.resilience4j.circuitbreaker.autoconfigure;
/*
 * Copyright 2017 Robert Winkler
 *
 * 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.
 */

import io.github.resilience4j.circuitbreaker.CircuitBreakerConfig;
import io.github.resilience4j.circuitbreaker.configure.CircuitBreakerConfigurationProperties;
import org.springframework.beans.BeanUtils;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.context.properties.PropertyMapper;

@ConfigurationProperties(prefix = "resilience4j.circuitbreaker")
public class CircuitBreakerProperties extends CircuitBreakerConfigurationProperties {

    @Override
    protected void buildRecordFailurePredicate(BackendProperties properties, CircuitBreakerConfig.Builder builder) {
        PropertyMapper.get()
                .from(properties::getRecordFailurePredicate)
                .whenNonNull().as(BeanUtils::instantiateClass)
                .to(builder::recordFailure);
    }
}