| /* |
| * Copyright 1999-2018 Alibaba Group Holding Ltd. |
| * |
| * 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.alibaba.csp.sentinel.adapter.dubbo.fallback; |
| |
| import com.alibaba.csp.sentinel.util.AssertUtil; |
| |
| /** |
| * <p>Global fallback registry for Dubbo.</p> |
| * |
| * <p> |
| * Note: Circuit breaking is mainly designed for consumer. The provider should not |
| * give fallback result in most circumstances. |
| * </p> |
| * |
| * @author Eric Zhao |
| */ |
| public final class DubboFallbackRegistry { |
| |
| private static volatile DubboFallback consumerFallback = new DefaultDubboFallback(); |
| private static volatile DubboFallback providerFallback = new DefaultDubboFallback(); |
| |
| public static DubboFallback getConsumerFallback() { |
| return consumerFallback; |
| } |
| |
| public static void setConsumerFallback(DubboFallback consumerFallback) { |
| AssertUtil.notNull(consumerFallback, "consumerFallback cannot be null"); |
| DubboFallbackRegistry.consumerFallback = consumerFallback; |
| } |
| |
| public static DubboFallback getProviderFallback() { |
| return providerFallback; |
| } |
| |
| public static void setProviderFallback(DubboFallback providerFallback) { |
| AssertUtil.notNull(providerFallback, "providerFallback cannot be null"); |
| DubboFallbackRegistry.providerFallback = providerFallback; |
| } |
| |
| private DubboFallbackRegistry() {} |
| } |