lburgazzoli commented on a change in pull request #299: yaml: add support for LoadBalancer and CircuitBreaker EIPs #183 URL: https://github.com/apache/camel-k-runtime/pull/299#discussion_r408811620
########## File path: camel-k-loader-yaml/camel-k-loader-yaml-common/src/main/java/org/apache/camel/k/loader/yaml/parser/LoadBalanceStepParser.java ########## @@ -0,0 +1,158 @@ +/* + * 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.camel.k.loader.yaml.parser; + +import java.util.List; + +import com.fasterxml.jackson.annotation.JsonAlias; +import com.fasterxml.jackson.annotation.JsonIgnore; +import com.fasterxml.jackson.annotation.JsonTypeInfo; +import org.apache.camel.Expression; +import org.apache.camel.k.annotation.yaml.YAMLNodeDefinition; +import org.apache.camel.k.annotation.yaml.YAMLStepParser; +import org.apache.camel.k.loader.yaml.model.Step; +import org.apache.camel.model.ExpressionSubElementDefinition; +import org.apache.camel.model.LoadBalanceDefinition; +import org.apache.camel.model.LoadBalancerDefinition; +import org.apache.camel.model.ProcessorDefinition; +import org.apache.camel.model.language.ExpressionDefinition; +import org.apache.camel.model.loadbalancer.CustomLoadBalancerDefinition; +import org.apache.camel.model.loadbalancer.FailoverLoadBalancerDefinition; +import org.apache.camel.model.loadbalancer.RandomLoadBalancerDefinition; +import org.apache.camel.model.loadbalancer.RoundRobinLoadBalancerDefinition; +import org.apache.camel.model.loadbalancer.StickyLoadBalancerDefinition; +import org.apache.camel.model.loadbalancer.TopicLoadBalancerDefinition; +import org.apache.camel.model.loadbalancer.WeightedLoadBalancerDefinition; +import org.apache.camel.reifier.LoadBalanceReifier; + +@YAMLStepParser("load-balance") +public class LoadBalanceStepParser implements ProcessorStepParser { + @Override + public ProcessorDefinition<?> toProcessor(Context context) { + Definition definition = context.node(Definition.class); + + return StepParserSupport.convertSteps( + context, + definition, + definition.steps + ); + } + + @YAMLNodeDefinition(reifiers = LoadBalanceReifier.class) + public static final class Definition extends LoadBalanceDefinition { + public List<Step> steps; + + @JsonAlias({"load-balancer-type", "type"}) + @JsonTypeInfo( + use = JsonTypeInfo.Id.NAME, + include = JsonTypeInfo.As.WRAPPER_OBJECT + ) + @Override + public void setLoadBalancerType(LoadBalancerDefinition loadbalancer) { + super.setLoadBalancerType(loadbalancer); + } + + @Override + public LoadBalancerDefinition getLoadBalancerType() { + return super.getLoadBalancerType(); + } + + @JsonAlias("random") + public void setRandom(RandomLoadBalancerDefinition definition) { + if (getLoadBalancerType() != null) { + throw new IllegalArgumentException("A load-balancer has already been set"); + } + setLoadBalancerType(definition);; + } + + @JsonAlias({"customLoadBalancer", "custom"}) + public void setCustomLoadBalancer(CustomLoadBalancerDefinition definition) { + if (getLoadBalancerType() != null) { + throw new IllegalArgumentException("A load-balancer has already been set"); + } + setLoadBalancerType(definition);; + } + + @JsonAlias("failover") + public void setFailover(FailoverLoadBalancerDefinition definition) { + if (getLoadBalancerType() != null) { + throw new IllegalArgumentException("A load-balancer has already been set"); + } + setLoadBalancerType(definition);; + } + + @JsonAlias("sticky") + public void setSticky(Sticky definition) { + if (getLoadBalancerType() != null) { + throw new IllegalArgumentException("A load-balancer has already been set"); + } + setLoadBalancerType(definition);; + } + + @JsonAlias("topic") + public void setTopic(TopicLoadBalancerDefinition definition) { + if (getLoadBalancerType() != null) { + throw new IllegalArgumentException("A load-balancer has already been set"); + } + setLoadBalancerType(definition);; + } + + @JsonAlias("weighted") + public void setWeighted(WeightedLoadBalancerDefinition definition) { + if (getLoadBalancerType() != null) { + throw new IllegalArgumentException("A load-balancer has already been set"); + } + setLoadBalancerType(definition);; + } + + @JsonAlias("roundRobin") Review comment: jackson should be able to handle both the cases but I will add a test ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to 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
