content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.spring;
  
  import org.activiti.engine.ActivitiIllegalArgumentException;
  import org.activiti.engine.impl.interceptor.AbstractCommandInterceptor;
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandConfig;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.transaction.PlatformTransactionManager;
  import org.springframework.transaction.TransactionStatus;
  import org.springframework.transaction.support.TransactionCallback;
  import org.springframework.transaction.support.TransactionTemplate;
  
  /**
  
  
   */
  public class SpringTransactionInterceptor extends AbstractCommandInterceptor {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(SpringTransactionInterceptor.class);
  
      protected PlatformTransactionManager transactionManager;
  
      public SpringTransactionInterceptor(PlatformTransactionManager transactionManager) {
          this.transactionManager = transactionManager;
      }
  
      public <T> T execute(final CommandConfig config, final Command<T> command) {
          LOGGER.debug("Running command with propagation {}", config.getTransactionPropagation());
  
          TransactionTemplate transactionTemplate = new TransactionTemplate(transactionManager);
          transactionTemplate.setPropagationBehavior(getPropagation(config));
  
          T result = transactionTemplate.execute(
              new TransactionCallback<T>() {
                  public T doInTransaction(TransactionStatus status) {
                      return next.execute(config, command);
                  }
              }
          );
  
          return result;
      }
  
      private int getPropagation(CommandConfig config) {
          switch (config.getTransactionPropagation()) {
              case NOT_SUPPORTED:
                  return TransactionTemplate.PROPAGATION_NOT_SUPPORTED;
              case REQUIRED:
                  return TransactionTemplate.PROPAGATION_REQUIRED;
              case REQUIRES_NEW:
                  return TransactionTemplate.PROPAGATION_REQUIRES_NEW;
              default:
                  throw new ActivitiIllegalArgumentException(
                      "Unsupported transaction propagation: " + config.getTransactionPropagation()
                  );
          }
      }
  }
  