liubao68 commented on a change in pull request #543: [SCB-324] Fault-Injection handler implementation URL: https://github.com/apache/incubator-servicecomb-java-chassis/pull/543#discussion_r165895737
########## File path: handlers/handler-fault-injection/src/main/java/org/apache/servicecomb/faultinjection/FaultInjectionConfig.java ########## @@ -0,0 +1,58 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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 org.apache.servicecomb.faultinjection; + +import java.util.LinkedList; +import java.util.List; +import java.util.concurrent.atomic.AtomicInteger; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import com.netflix.config.DynamicIntProperty; +import com.netflix.config.DynamicPropertyFactory; + +/** + * Handles the fault injection configuration read from micro service file/config + * center. + */ +public final class FaultInjectionConfig { + + private static final Logger LOGGER = LoggerFactory.getLogger(FaultInjectionConfig.class); + + // key is configuration parameter. + public static List<String> cfgCallback = new LinkedList<>(); + + public int getConfigVal(String config, int defaultValue) { + DynamicIntProperty dynamicIntProperty = DynamicPropertyFactory.getInstance().getIntProperty(config, + defaultValue); + if (!cfgCallback.contains(config)) { + cfgCallback.add(config); + dynamicIntProperty.addCallback(() -> { + int newValue = dynamicIntProperty.get(); + String cfgName = dynamicIntProperty.getName(); + + //store the value in config center map and check for next requests. + FaultInjectionUtil.setConfigCenterValue(cfgName, new AtomicInteger(newValue)); + LOGGER.info("{} changed from {} to {}", cfgName, dynamicIntProperty, newValue); Review comment: dynamicIntProperty is not an integer ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
