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.engine.impl.interceptor;
  
  import org.activiti.engine.impl.cfg.TransactionContext;
  import org.activiti.engine.impl.cfg.TransactionContextFactory;
  import org.activiti.engine.impl.context.Context;
  
  /**
  
   */
  public class TransactionContextInterceptor extends AbstractCommandInterceptor {
  
      protected TransactionContextFactory transactionContextFactory;
  
      public TransactionContextInterceptor() {}
  
      public TransactionContextInterceptor(TransactionContextFactory transactionContextFactory) {
          this.transactionContextFactory = transactionContextFactory;
      }
  
      public <T> T execute(CommandConfig config, Command<T> command) {
          CommandContext commandContext = Context.getCommandContext();
          // Storing it in a variable, to reference later (it can change during command execution)
          boolean isReused = commandContext.isReused();
  
          try {
              if (transactionContextFactory != null && !isReused) {
                  TransactionContext transactionContext = transactionContextFactory.openTransactionContext(
                      commandContext
                  );
                  Context.setTransactionContext(transactionContext);
                  commandContext.addCloseListener(new TransactionCommandContextCloseListener(transactionContext));
              }
  
              return next.execute(config, command);
          } finally {
              if (transactionContextFactory != null && !isReused) {
                  Context.removeTransactionContext();
              }
          }
      }
  
      public TransactionContextFactory getTransactionContextFactory() {
          return transactionContextFactory;
      }
  
      public void setTransactionContextFactory(TransactionContextFactory transactionContextFactory) {
          this.transactionContextFactory = transactionContextFactory;
      }
  }
  