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.history;
  
  import java.util.Date;
  import org.activiti.engine.api.internal.Internal;
  import org.activiti.engine.impl.history.HistoryLevel;
  
  /**
   * A single process variable containing the last value when its process instance has finished. It is only available when HISTORY_LEVEL is set >= VARIABLE
   *
   */
  @Internal
  public interface HistoricVariableInstance extends HistoricData {
      /** The unique DB id */
      String getId();
  
      String getVariableName();
  
      String getVariableTypeName();
  
      Object getValue();
  
      /** The process instance reference. */
      String getProcessInstanceId();
  
      /**
       * @return the task id of the task, in case this variable instance has been set locally on a task. Returns null, if this variable is not related to a task.
       */
      String getTaskId();
  
      /**
       * Returns the time when the variable was created.
       */
      Date getCreateTime();
  
      /**
       * Returns the time when the value of the variable was last updated. Note that a {@link HistoricVariableInstance} only contains the latest value of the variable. The actual different value and value
       * changes are recorded in {@link HistoricVariableUpdate} instances, which are captured on {@link HistoryLevel} FULL.
       */
      Date getLastUpdatedTime();
  }
  