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.examples.bpmn.tasklistener;
  
  import java.util.List;
  import java.util.Map;
  import org.activiti.bpmn.model.Task;
  import org.activiti.engine.HistoryService;
  import org.activiti.engine.history.HistoricProcessInstance;
  import org.activiti.engine.impl.context.Context;
  import org.activiti.engine.impl.history.HistoryLevel;
  
  /**
  
   */
  public class MyTransactionalOperationTransactionDependentTaskListener
      extends CurrentTaskTransactionDependentTaskListener {
  
      @Override
      public void notify(
          String processInstanceId,
          String executionId,
          Task task,
          Map<String, Object> executionVariables,
          Map<String, Object> customPropertiesMap
      ) {
          super.notify(processInstanceId, executionId, task, executionVariables, customPropertiesMap);
  
          if (
              Context.getCommandContext()
                  .getProcessEngineConfiguration()
                  .getHistoryLevel()
                  .isAtLeast(HistoryLevel.ACTIVITY)
          ) {
              HistoryService historyService = Context.getCommandContext()
                  .getProcessEngineConfiguration()
                  .getHistoryService();
  
              // delete first historic instance
              List<HistoricProcessInstance> historicProcessInstances = historyService
                  .createHistoricProcessInstanceQuery()
                  .list();
              historyService.deleteHistoricProcessInstance(historicProcessInstances.get(0).getId());
          }
      }
  }
  