/// <summary> /// 开始节点的构造执行上下文对象 /// </summary> /// <param name="processModel"></param> /// <param name="processInstance"></param> /// <param name="activity"></param> /// <param name="activityResource"></param> private ActivityForwardContext(ProcessModel processModel, ProcessInstanceEntity processInstance, ActivityEntity activity, ActivityResource activityResource) { ProcessModel = processModel; ProcessInstance = processInstance; Activity = activity; ActivityResource = activityResource; }
/// <summary> /// 任务执行的上下文对象 /// </summary> /// <param name="task"></param> /// <param name="processModel"></param> /// <param name="activityResource"></param> private ActivityForwardContext(TaskViewEntity task, ProcessModel processModel, ActivityResource activityResource) { this.TaskView = task; //check task condition has load activity instance this.FromActivityInstance = (new ActivityInstanceManager()).GetById(task.ActivityInstanceID); this.ProcessInstance = (new ProcessInstanceManager()).GetById(task.ProcessInstanceID); this.Activity = processModel.GetActivity(task.ActivityGUID); this.ProcessModel = processModel; this.ActivityResource = activityResource; }
/// <summary> /// 获取下一步节点列表(伴随条件和资源) /// </summary> /// <param name="currentActivity"></param> /// <param name="conditionKeyValuePair"></param> /// <returns></returns> internal NextActivityMatchedResult GetNextActivityList(string currentActivityGUID, IDictionary <string, string> conditionKeyValuePair, ActivityResource activityResource, Expression <Func <ActivityResource, ActivityEntity, bool> > expression) { NextActivityComponent newRoot = NextActivityComponentFactory.CreateNextActivityComponent(); //先获取未加运行时表达式过滤的下一步节点列表 NextActivityMatchedResult result = GetNextActivityList(currentActivityGUID, conditionKeyValuePair); foreach (NextActivityComponent c in result.Root) { if (c.HasChildren) { NextActivityComponent child = GetNextActivityListByExpressionRecurisivly(c, activityResource, expression); if (child != null) { newRoot.Add(child); } } else { if (expression.Compile().Invoke(activityResource, c.Activity))///TODO { newRoot.Add(c); } } } NextActivityMatchedResult newResult = null; if (newRoot.HasChildren) { newResult = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(result.MatchedType, newRoot); } else { newResult = NextActivityMatchedResult.CreateNextActivityMatchedResultObject(NextActivityMatchedType.NoneTransitionFilteredByCondition, newRoot); } return(newResult); }
/// <summary> /// 递归获取满足条件的下一步节点列表 /// </summary> /// <param name="root"></param> /// <param name="activityResource"></param> /// <param name="expression"></param> /// <returns></returns> private NextActivityComponent GetNextActivityListByExpressionRecurisivly(NextActivityComponent root, ActivityResource activityResource, Expression <Func <ActivityResource, ActivityEntity, bool> > expression) { NextActivityComponent r1 = null; foreach (NextActivityComponent c in root) { if (c.HasChildren) { NextActivityComponent child = GetNextActivityListByExpressionRecurisivly(c, activityResource, expression); r1 = AddChildToNewGatewayComponent(r1, c, child); } else { if (expression.Compile().Invoke(activityResource, c.Activity)) { r1 = AddChildToNewGatewayComponent(r1, root, c); } } } return(r1); }
/// <summary> /// 启动流程的上下文对象 /// </summary> /// <param name="processModel"></param> /// <param name="processInstance"></param> /// <param name="activity"></param> /// <param name="activityResource"></param> /// <returns></returns> internal static ActivityForwardContext CreateStartupContext(ProcessModel processModel, ProcessInstanceEntity processInstance, ActivityEntity activity, ActivityResource activityResource) { return new ActivityForwardContext(processModel, processInstance, activity, activityResource); }
/// <summary> /// 创建任务执行上下文对象 /// </summary> /// <param name="task"></param> /// <param name="processModel"></param> /// <param name="activityResource"></param> /// <returns></returns> internal static ActivityForwardContext CreateRunningContext(TaskViewEntity task, ProcessModel processModel, ActivityResource activityResource) { return new ActivityForwardContext(task, processModel, activityResource); }
/// <summary> /// 创建流程跳转上下文对象 /// </summary> /// <param name="jumpforwardActivity"></param> /// <param name="processModel"></param> /// <param name="processInstance"></param> /// <param name="activityResource"></param> /// <returns></returns> internal static ActivityForwardContext CreateJumpforwardContext(ActivityEntity jumpforwardActivity, ProcessModel processModel, ProcessInstanceEntity processInstance, ActivityResource activityResource) { return new ActivityForwardContext(processModel, processInstance, jumpforwardActivity, activityResource); }