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.task.TaskInfo;
  
  /**
   * Represents a historic task instance (waiting, finished or deleted) that is stored permanent for statistics, audit and other business intelligence purposes.
   *
   */
  @Internal
  public interface HistoricTaskInstance extends TaskInfo, HistoricData {
      /**
       * The reason why this task was deleted {'completed' | 'deleted' | any other user defined string }.
       */
      String getDeleteReason();
  
      /** Time when the task started. */
      Date getStartTime();
  
      /** Time when the task was deleted or completed. */
      Date getEndTime();
  
      /**
       * Difference between {@link #getEndTime()} and {@link #getStartTime()} in milliseconds.
       */
      Long getDurationInMillis();
  
      /**
       * Difference between {@link #getEndTime()} and {@link #getClaimTime()} in milliseconds.
       */
      Long getWorkTimeInMillis();
  
      /** Time when the task was claimed. */
      Date getClaimTime();
  }
  