content: /*
   * 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.flowable.engine.ProcessEngine;
  import org.flowable.engine.ProcessEngineConfiguration;
  import org.flowable.engine.impl.cfg.StandaloneInMemProcessEngineConfiguration;
  import org.flowable.eventregistry.impl.EventRegistryEngineConfiguration;
  import org.flowable.eventregistry.impl.configurator.EventRegistryEngineConfigurator;
  
  public class FlowableEngineUtil {
  
      protected static ProcessEngine processEngine;
      protected static EventRegistryEngineConfiguration eventRegistryEngineConfiguration;
      protected static CamelChannelModelProcessor camelChannelModelProcessor;
  
      public static ProcessEngine getProcessEngine(CamelContext camelContext) {
          if (processEngine == null) {
              buildEngine(camelContext);
          } else {
              camelChannelModelProcessor.setCamelContext(camelContext);
          }
  
          return processEngine;
      }
  
      public static EventRegistryEngineConfiguration getEventRegistryEngineConfiguration() {
          return eventRegistryEngineConfiguration;
      }
  
      protected static void buildEngine(CamelContext camelContext) {
          eventRegistryEngineConfiguration = new EventRegistryEngineConfiguration();
          eventRegistryEngineConfiguration.setDatabaseSchemaUpdate("true");
          eventRegistryEngineConfiguration.setEnableEventRegistryChangeDetection(false);
          camelChannelModelProcessor = new CamelChannelModelProcessor(camelContext);
          eventRegistryEngineConfiguration.addChannelModelProcessor(camelChannelModelProcessor);
  
          EventRegistryEngineConfigurator eventRegistryEngineConfigurator = new EventRegistryEngineConfigurator();
          eventRegistryEngineConfigurator.setEventEngineConfiguration(eventRegistryEngineConfiguration);
  
          ProcessEngineConfiguration processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
          processEngineConfiguration.setDatabaseSchemaUpdate("true");
          processEngineConfiguration.setAsyncExecutorActivate(false);
          processEngineConfiguration.setEventRegistryConfigurator(eventRegistryEngineConfigurator);
          processEngine = processEngineConfiguration.buildProcessEngine();
      }
  }
  