tijsrademakers commented on code in PR #15911: URL: https://github.com/apache/camel/pull/15911#discussion_r1798470170
########## components/camel-flowable/src/main/java/org/apache/camel/component/flowable/CamelChannelModelProcessor.java: ########## @@ -0,0 +1,142 @@ +/* + * 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.component.flowable; + +import org.apache.camel.CamelContext; +import org.apache.camel.builder.RouteBuilder; +import org.apache.commons.lang3.StringUtils; +import org.flowable.common.engine.api.FlowableException; +import org.flowable.eventregistry.api.ChannelModelProcessor; +import org.flowable.eventregistry.api.EventRegistry; +import org.flowable.eventregistry.api.EventRepositoryService; +import org.flowable.eventregistry.api.OutboundEventChannelAdapter; +import org.flowable.eventregistry.impl.EventRegistryEngineConfiguration; +import org.flowable.eventregistry.impl.util.CommandContextUtil; +import org.flowable.eventregistry.model.CamelInboundChannelModel; +import org.flowable.eventregistry.model.CamelOutboundChannelModel; +import org.flowable.eventregistry.model.ChannelModel; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class CamelChannelModelProcessor implements ChannelModelProcessor { + + protected final Logger logger = LoggerFactory.getLogger(getClass()); + + protected CamelContext camelContext; + + public CamelChannelModelProcessor(CamelContext camelContext) { + this.camelContext = camelContext; + } + + @Override + public boolean canProcess(ChannelModel channelModel) { + return channelModel instanceof CamelInboundChannelModel || channelModel instanceof CamelOutboundChannelModel; + } + + @Override + public boolean canProcessIfChannelModelAlreadyRegistered(ChannelModel channelModel) { + return channelModel instanceof CamelOutboundChannelModel; + } + + @Override + public void registerChannelModel( + ChannelModel channelModel, String tenantId, EventRegistry eventRegistry, + EventRepositoryService eventRepositoryService, + boolean fallbackToDefaultTenant) { + + if (channelModel instanceof CamelInboundChannelModel) { + CamelInboundChannelModel camelInboundChannelModel = (CamelInboundChannelModel) channelModel; + logger.info("Starting to register inbound channel {} in tenant {}", channelModel.getKey(), tenantId); + processInboundDefinition(camelInboundChannelModel, tenantId); + logger.info("Finished registering inbound channel {} in tenant {}", channelModel.getKey(), tenantId); + + } else if (channelModel instanceof CamelOutboundChannelModel) { + logger.info("Starting to register outbound channel {} in tenant {}", channelModel.getKey(), tenantId); + processOutboundDefinition((CamelOutboundChannelModel) channelModel, tenantId); + logger.info("Finished registering outbound channel {} in tenant {}", channelModel.getKey(), tenantId); + } + } + + protected void processInboundDefinition(CamelInboundChannelModel channelModel, String tenantId) { + EventRegistryEngineConfiguration eventRegistryEngineConfiguration = CommandContextUtil.getEventRegistryConfiguration(); + try (FlowableEndpoint endpoint + = new FlowableEndpoint(channelModel, eventRegistryEngineConfiguration, camelContext)) { + + camelContext.addEndpoint(endpoint.getEndpointUri(), endpoint); + if (StringUtils.isNotEmpty(channelModel.getSourceUri())) { + camelContext.addRoutes(new RouteBuilder() { + + @Override + public void configure() throws Exception { + from(channelModel.getSourceUri()).routeId(channelModel.getKey()).to(endpoint.getEndpointUri()); + } + }); + } + + } catch (Exception e) { + logger.error("Error creating producer for inbound channel {} in tenant {}", channelModel.getKey(), tenantId); + throw new FlowableException( + "Error creating producer for inbound channel " + channelModel.getKey() + " in tenant " + tenantId); + } + } + + protected void processOutboundDefinition(CamelOutboundChannelModel channelModel, String tenantId) { + String destination = channelModel.getDestination(); + if (channelModel.getOutboundEventChannelAdapter() == null && StringUtils.isNotEmpty(destination)) { + channelModel.setOutboundEventChannelAdapter(createOutboundEventChannelAdapter(channelModel, tenantId)); + } + } + + protected OutboundEventChannelAdapter<String> createOutboundEventChannelAdapter( Review Comment: Yes this is a bit special. With the Flowable channel models you can dynamically create Camel endpoints. So you don't need to define a route yourself, you only have the define a channel model. ########## components/camel-flowable/src/test/java/org/apache/camel/component/flowable/FlowableInboundChannelHeaderTest.java: ########## @@ -0,0 +1,72 @@ +/* + * 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.component.flowable; + +import com.fasterxml.jackson.databind.ObjectMapper; +import com.fasterxml.jackson.databind.node.ObjectNode; +import org.apache.camel.Exchange; +import org.apache.camel.ProducerTemplate; +import org.flowable.engine.runtime.ProcessInstance; +import org.flowable.task.api.Task; +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; + +public class FlowableInboundChannelHeaderTest extends CamelFlowableTestCase { + + @BeforeEach + public void deployEventRegistryModels() throws Exception { + eventRegistryEngineConfiguration.getEventRepositoryService().createDeployment() + .addClasspathResource("channel/userHeaderChannel.channel") + .addClasspathResource("event/userWithHeaderEvent.event") + .deploy(); + } + + @Test + public void testStartProcessWithHeaderEvent() throws Exception { + String deploymentId = deployProcessDefinition("process/startWithHeader.bpmn20.xml"); + try { + ProducerTemplate tpl = context.createProducerTemplate(); Review Comment: Thanks, done -- This is an automated message from the Apache Git Service. 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