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.cfg;
  
  import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
  
  /**
   * Implementations of this class can be plugged into a {@link ProcessEngineConfigurationImpl}. Such implementations can configure the engine in any way programmatically possible.
   *
  
   */
  public interface ProcessEngineConfigurator {
      /**
       * Called <b>before</b> any initialisation has been done. This can for example be useful to change configuration settings before anything that uses those properties is created.
       *
       * Allows to tweak the process engine by passing the {@link ProcessEngineConfigurationImpl} which allows tweaking it programmatically.
       *
       * An example is the jdbc url. When a {@link ProcessEngineConfigurator} instance wants to change it, it needs to do it in this method, or otherwise the datasource would already have been created
       * with the 'old' value for the jdbc url.
       */
      void beforeInit(ProcessEngineConfigurationImpl processEngineConfiguration);
  
      /**
       * Called when the engine boots up, before it is usable, but after the initialisation of internal objects is done.
       *
       * Allows to tweak the process engine by passing the {@link ProcessEngineConfigurationImpl} which allows tweaking it programmatically.
       *
       * An example is the ldap user/group manager, which is an addition to the engine. No default properties need to be overridden for this (otherwise the
       * {@link #beforeInit(ProcessEngineConfigurationImpl)} method should be used) so the logic contained in this method is executed after initialisation of the default objects.
       *
       * Probably a better name would be 'afterInit' (cfr {@link #beforeInit(ProcessEngineConfigurationImpl)}), but not possible due to backwards compatibility.
       */
      void configure(ProcessEngineConfigurationImpl processEngineConfiguration);
  
      /**
       * When the {@link ProcessEngineConfigurator} instances are used, they are first ordered by this priority number (lowest to highest). If you have dependencies between
       * {@link ProcessEngineConfigurator} instances, use the priorities accordingly to order them as needed.
       */
      int getPriority();
  }
  