/* * Copyright 2015 Netflix, Inc. * * 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 com.netflix.discovery.shared.transport.decorator; import com.netflix.discovery.shared.transport.decorator.EurekaHttpClientDecorator.RequestType; /** * HTTP status code evaluator, that can be used to make a decision whether it makes sense to * immediately retry a request on another server or stick to the current one. * Registration requests are critical to complete as soon as possible, so any server error should be followed * by retry on another one. Registry fetch/delta fetch should stick to the same server, to avoid delta hash code * mismatches. See https://github.com/Netflix/eureka/issues/628. * * @author Tomasz Bak */ public interface ServerStatusEvaluator { boolean accept(int statusCode, RequestType requestType); }