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.cmd;
  
  import org.activiti.engine.impl.interceptor.Command;
  import org.activiti.engine.impl.interceptor.CommandContext;
  import org.activiti.engine.impl.persistence.entity.PropertyEntity;
  import org.activiti.engine.impl.persistence.entity.PropertyEntityManager;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
  
   */
  public class ValidateExecutionRelatedEntityCountCfgCmd implements Command<Void> {
  
      private static final Logger logger = LoggerFactory.getLogger(ValidateExecutionRelatedEntityCountCfgCmd.class);
  
      public static String PROPERTY_EXECUTION_RELATED_ENTITY_COUNT = "cfg.execution-related-entities-count";
  
      @Override
      public Void execute(CommandContext commandContext) {
          /*
           * If execution related entity counting is on in config | Current property in database : Result
           *
           *  A) true | not there : write new property with value 'true'
           *  B) true | true : all good
           *  C) true | false : the feature was disabled before, but it is enabled now. Old executions will have a local flag with false.
           *                    It is now enabled. This is fine, will be handled in logic. Update the property.
           *
           *  D) false | not there: write new property with value 'false'
           *  E) false | true : the feature was disabled before and enabled now. To guarantee data consistency, we need to remove the flag from all executions.
           *                    Update the property.
           *  F) false | false : all good
           *
           * In case A and D (not there), the property needs to be written to the db
           * Only in case E something needs to be done explicitely, the others are okay.
           */
  
          PropertyEntityManager propertyEntityManager = commandContext.getPropertyEntityManager();
  
          boolean configProperty = commandContext
              .getProcessEngineConfiguration()
              .getPerformanceSettings()
              .isEnableExecutionRelationshipCounts();
          PropertyEntity propertyEntity = propertyEntityManager.findById(PROPERTY_EXECUTION_RELATED_ENTITY_COUNT);
  
          if (propertyEntity == null) {
              // 'not there' case in the table above: easy, simply insert the value
  
              PropertyEntity newPropertyEntity = propertyEntityManager.create();
              newPropertyEntity.setName(PROPERTY_EXECUTION_RELATED_ENTITY_COUNT);
              newPropertyEntity.setValue(Boolean.toString(configProperty));
              propertyEntityManager.insert(newPropertyEntity);
          } else {
              boolean propertyValue = Boolean.valueOf(propertyEntity.getValue().toString().toLowerCase());
              if (!configProperty && propertyValue) {
                  if (logger.isInfoEnabled()) {
                      logger.info(
                          "Configuration change: execution related entity counting feature was enabled before, but now disabled. " +
                          "Updating all execution entities."
                      );
                  }
                  commandContext
                      .getProcessEngineConfiguration()
                      .getExecutionDataManager()
                      .updateAllExecutionRelatedEntityCountFlags(configProperty);
              }
  
              // Update property
              if (configProperty != propertyValue) {
                  propertyEntity.setValue(Boolean.toString(configProperty));
                  propertyEntityManager.update(propertyEntity);
              }
          }
  
          return null;
      }
  }
  