com.alibaba.csp.sentinel.adapter.zuul.fallback.ZuulBlockFallbackManager Maven / Gradle / Ivy
/*
* 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.zuul.fallback;
import java.util.HashMap;
import java.util.Map;
/**
* This provide fall back class manager.
*
* @author tiger
*/
public class ZuulBlockFallbackManager {
private static Map fallbackProviderCache = new HashMap();
private static ZuulBlockFallbackProvider defaultFallbackProvider = new DefaultBlockFallbackProvider();
/**
* Register special provider for different route.
*/
public static synchronized void registerProvider(ZuulBlockFallbackProvider provider) {
String route = provider.getRoute();
if ("*".equals(route) || route == null) {
defaultFallbackProvider = provider;
} else {
fallbackProviderCache.put(route, provider);
}
}
public static ZuulBlockFallbackProvider getFallbackProvider(String route) {
ZuulBlockFallbackProvider provider = fallbackProviderCache.get(route);
if (provider == null) {
provider = defaultFallbackProvider;
}
return provider;
}
public synchronized static void clear(){
fallbackProviderCache.clear();
}
}