/// <summary>
/// 向前流转时的NodeMediator的构造函数
/// </summary>
/// <param name="forwardContext"></param>
/// <param name="session"></param>
internal NodeMediator(ActivityForwardContext forwardContext, IDbSession session)
{
_activityForwardContext = forwardContext;
_session = session;
_processModel = forwardContext.ProcessModel;
Linker.FromActivity = forwardContext.Activity;
}
/// <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>
/// 创建ActivitySchedule
/// </summary>
/// <param name="splitJoinType"></param>
/// <returns></returns>
internal static NextActivityScheduleBase CreateActivitySchedule(ProcessModel processModel,
GatewaySplitJoinTypeEnum splitJoinType)
{
NextActivityScheduleBase activitySchedule = null;
if (splitJoinType == GatewaySplitJoinTypeEnum.Split)
{
activitySchedule = new NextActivityScheduleSplit(processModel);
}
else if (splitJoinType == GatewaySplitJoinTypeEnum.Join)
{
activitySchedule = new NextActivityScheduleJoin(processModel);
}
else
{
throw new Exception("未知的splitJoinType!");
}
return activitySchedule;
}
internal static NodeMediatorGateway CreateGatewayNodeMediator(ActivityEntity gActivity,
ProcessModel processModel,
IDbSession session)
{
NodeMediatorGateway nodeMediator = null;
if (gActivity.ActivityType == ActivityTypeEnum.GatewayNode)
{
if (gActivity.GatewayDirectionType == GatewayDirectionEnum.AndSplit)
{
nodeMediator = new NodeMediatorAndSplit(gActivity, processModel, session);
}
else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.OrSplit)
{
nodeMediator = new NodeMediatorOrSplit(gActivity, processModel, session);
}
else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.XOrSplit)
{
nodeMediator = new NodeMediatorXOrSplit(gActivity, processModel, session);
}
else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.AndJoin)
{
nodeMediator = new NodeMediatorAndJoin(gActivity, processModel, session);
}
else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.OrJoin)
{
nodeMediator = new NodeMediatorOrJoin(gActivity, processModel, session);
}
else if (gActivity.GatewayDirectionType == GatewayDirectionEnum.XOrJoin)
{
nodeMediator = new NodeMediatorXOrJoin(gActivity, processModel, session);
}
else
{
throw new XmlDefinitionException(string.Format("不明确的节点分支Gateway类型！{0}", gActivity.GatewayDirectionType.ToString()));
}
}
else
{
throw new XmlDefinitionException(string.Format("不明确的节点类型！{0}", gActivity.ActivityType.ToString()));
}
return nodeMediator;
}
/// <summary>
/// 获取活动节点下的角色数据
/// </summary>
/// <param name="processGUID"></param>
/// <param name="version"></param>
/// <param name="activityGUID"></param>
/// <returns></returns>
public IList<Role> GetActivityRoles(string processGUID, string version, string activityGUID)
{
var processModel = new ProcessModel(processGUID, version);
return processModel.GetActivityRoles(activityGUID);
}
internal NextActivityScheduleJoin(ProcessModel processModel)
: base(processModel)
{
}
internal NodeMediatorOrSplit(ActivityEntity activity, ProcessModel processModel, IDbSession session)
: base(activity, processModel, session)
{
}
/// <summary>
/// 流程返签，先检查约束条件，然后调用wfruntimeinstance执行
/// </summary>
/// <param name="appName"></param>
/// <param name="appInstanceID"></param>
/// <param name="processGUID"></param>
/// <param name="userID"></param>
/// <param name="userName"></param>
/// <returns></returns>
public static WfRuntimeManager CreateRuntimeInstanceReverse(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerReverse();
rmins.WfExecutedResult = result = new WfExecutedResult();
var pim = new ProcessInstanceManager();
var processInstance = pim.GetProcessInstanceLatest(runner.AppName, runner.AppInstanceID, runner.ProcessGUID);
if (processInstance == null || processInstance.ProcessState != (short)ProcessStateEnum.Completed)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.Reverse_NotInCompleted;
result.Message = string.Format("当前应用:{0}，实例ID：{1}, 没有完成的流程实例，无法让流程重新运行！",
runner.AppName, runner.AppInstanceID);
return rmins;
}
var tim = new TransitionInstanceManager();
var endTransitionInstance = tim.GetEndTransition(runner.AppName, runner.AppInstanceID, runner.ProcessGUID);
var processModel = new ProcessModel(runner.ProcessGUID);
var endActivity = processModel.GetActivity(endTransitionInstance.ToActivityGUID);
var aim = new ActivityInstanceManager();
var endActivityInstance = aim.GetById(endTransitionInstance.ToActivityInstanceID);
bool hasGatewayNode = false;
var lastTaskActivityInstance = tim.GetPreviousActivityInstance(endActivityInstance, false,
out hasGatewayNode).ToList()[0];
var lastTaskActivity = processModel.GetActivity(lastTaskActivityInstance.ActivityGUID);
//封装返签结束点之前办理节点的任务接收人
rmins.AppRunner.NextActivityPerformers = ActivityResource.CreateNextActivityPerformers(lastTaskActivityInstance.ActivityGUID,
lastTaskActivityInstance.EndedByUserID,
lastTaskActivityInstance.EndedByUserName);
rmins.ActivityResource = new ActivityResource(runner, rmins.AppRunner.NextActivityPerformers);
rmins.AppRunner.AppName = runner.AppName;
rmins.AppRunner.AppInstanceID = runner.AppInstanceID;
rmins.AppRunner.ProcessGUID = runner.ProcessGUID;
rmins.AppRunner.UserID = runner.UserID;
rmins.AppRunner.UserName = runner.UserName;
rmins.BackwardContext.ProcessInstance = processInstance;
rmins.BackwardContext.BackwardToTaskActivity = lastTaskActivity;
rmins.BackwardContext.BackwardToTaskActivityInstance = lastTaskActivityInstance;
rmins.BackwardContext.BackwardToTargetTransitionGUID =
hasGatewayNode == false ? endTransitionInstance.TransitionGUID : String.Empty;
rmins.BackwardContext.BackwardFromActivity = endActivity;
rmins.BackwardContext.BackwardFromActivityInstance = endActivityInstance;
rmins.BackwardContext.BackwardTaskReciever = WfBackwardTaskReciever.Instance(lastTaskActivityInstance.ActivityName,
lastTaskActivityInstance.EndedByUserID,
lastTaskActivityInstance.EndedByUserName);
return rmins;
}
/// <summary>
/// 流程定义的XML文件获取和保存
/// </summary>
/// <param name="processGUID"></param>
/// <returns></returns>
public ProcessFileEntity GetProcessFile(string processGUID)
{
var processModel = new ProcessModel(processGUID);
var entity = processModel.GetProcessFile();
return entity;
}
/// <summary>
/// 获取当前节点的下一个节点信息[mamingbo 2014/11/25 16:47:00]
/// </summary>
/// <param name="processGUID"></param>
/// <param name="activityGUID"></param>
/// <param name="condition"></param>
/// <returns></returns>
public IList<NodeView> GetNextActivity(String processGUID,
String version,
String activityGUID,
IDictionary<string, string> condition)
{
var processModel = new ProcessModel(processGUID, version);
var nextSteps = processModel.GetNextActivityTree(activityGUID, condition);
return nextSteps;
}
internal NextActivityScheduleSplit(ProcessModel processModel)
: base(processModel)
{
}
internal NextActivityScheduleBase(ProcessModel processModel)
{
_processModel = processModel;
}
/// <summary>
/// 加签操作
/// </summary>
/// <param name="runner"></param>
/// <param name="result"></param>
/// <returns></returns>
public static WfRuntimeManager CreateRuntimeInstanceSignForward(WfAppRunner runner,
ref WfExecutedResult result)
{
var rmins = new WfRuntimeManagerSignForward();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (string.IsNullOrEmpty(runner.AppName)
|| String.IsNullOrEmpty(runner.AppInstanceID)
|| runner.ProcessGUID == null
|| runner.NextActivityPerformers == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.SignForward_ErrorArguments;
result.Message = "方法参数错误，无法加签流程！";
return rmins;
}
if (runner.NextActivityPerformers.Count() == 0)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.SignForward_NoneSigners;
result.Message = "没有添加要发送加签的人员";
return rmins;
}
rmins.AppRunner = runner;
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNode(runner, out taskView);
//判断是否是当前登录用户的任务
if (runningNode.AssignedToUserIDs.Contains(runner.UserID.ToString()) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.RunApp_HasNoTask;
result.Message = "当前没有登录用户要办理的任务，无法运行流程！";
return rmins;
}
var processModel = new ProcessModel(taskView.ProcessGUID, taskView.Version);
var activityResource = new ActivityResource(runner, runner.NextActivityPerformers, runner.Conditions, runner.DynamicVariables);
var tm = new TaskManager();
rmins.TaskView = taskView;
rmins.RunningActivityInstance = runningNode;
rmins.ProcessModel = processModel;
rmins.ActivityResource = activityResource;
return rmins;
}
/// <summary>
/// 创建流程模型实例
/// </summary>
/// <param name="processGUID">流程GUID</param>
/// <param name="version">版本</param>
/// <returns>流程模型</returns>
internal static IProcessModel Create(string processGUID, string version)
{
IProcessModel processModel = new ProcessModel(processGUID, version);
return(processModel);
}
/// <summary>
/// 保存流程定义的xml文件
/// </summary>
/// <param name="diagram"></param>
public void SaveProcessFile(ProcessFileEntity entity)
{
var processModel = new ProcessModel(entity.ProcessGUID);
processModel.SaveProcessFile(entity);
}
/// <summary>
/// 获取流程的第一个可办理节点
/// </summary>
/// <returns></returns>
public ActivityEntity GetFirstActivity(string processGUID, string version)
{
var processModel = new ProcessModel(processGUID, version);
var firstActivity = processModel.GetFirstActivity();
return firstActivity;
}
/// <summary>
/// 获取下一步活动列表树
/// </summary>
/// <param name="taskID"></param>
/// <returns></returns>
public IList<NodeView> GetNextActivityTree(int taskID,
IDictionary<string, string> condition = null,
IUserRoleService roleService = null)
{
var taskView = (new TaskManager()).GetTaskView(taskID);
var processModel = new ProcessModel(taskView.ProcessGUID, taskView.Version);
var nextSteps = processModel.GetNextActivityTree(taskView.ProcessInstanceID,
taskView.ActivityGUID,
condition,
roleService);
return nextSteps;
}
/// <summary>
/// 获取当前节点的下一个节点信息
/// </summary>
/// <param name="processGUID"></param>
/// <param name="activityGUID"></param>
/// <returns></returns>
public ActivityEntity GetNextActivity(string processGUID,
string version,
string activityGUID)
{
var processModel = new ProcessModel(processGUID, version);
var nextActivity = processModel.GetNextActivity(activityGUID);
return nextActivity;
}
/// <summary>
/// 获取当前活动实体
/// </summary>
/// <param name="processGUID"></param>
/// <param name="activityGUID"></param>
/// <returns></returns>
public ActivityEntity GetActivityEntity(string processGUID, string activityGUID)
{
var processModel = new ProcessModel(processGUID);
return processModel.GetActivity(activityGUID);
}
/// <summary>
/// 根据应用获取流程下一步节点列表
/// </summary>
/// <param name="runner">应用执行人</param>
/// <param name="condition">条件</param>
/// <returns></returns>
public IList<NodeView> GetNextActivityTree(WfAppRunner runner,
IDictionary<string, string> condition = null,
IUserRoleService roleService = null)
{
var tm = new TaskManager();
var taskView = tm.GetTaskOfMine(runner.AppInstanceID, runner.ProcessGUID, runner.UserID);
var processModel = new ProcessModel(taskView.ProcessGUID, taskView.Version);
var nextSteps = processModel.GetNextActivityTree(taskView.ProcessInstanceID,
taskView.ActivityGUID,
condition,
roleService);
return nextSteps;
}
/// <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);
}
/// <summary>
/// 获取任务类型的节点列表
/// </summary>
/// <returns></returns>
public List<ActivityEntity> GetTaskActivityList(string processGUID, string version)
{
var processModel = new ProcessModel(processGUID, version);
var activityList = processModel.GetTaskActivityList();
return activityList;
}
/// <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>
/// 创建运行时实例
/// </summary>
/// <param name="appName"></param>
/// <param name="appInstanceID"></param>
/// <param name="processGUID"></param>
/// <param name="userID"></param>
/// <param name="userName"></param>
/// <param name="nextActivityPerformers"></param>
/// <returns></returns>
public static WfRuntimeManager CreateRuntimeInstanceAppRunning(
WfAppRunner runner,
ref WfExecutedResult result)
{
//检查传人参数是否有效
var rmins = new WfRuntimeManagerAppRunning();
rmins.WfExecutedResult = result = new WfExecutedResult();
if (string.IsNullOrEmpty(runner.AppName)
|| String.IsNullOrEmpty(runner.AppInstanceID)
|| runner.ProcessGUID == null)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.RunApp_ErrorArguments;
result.Message = "方法参数错误，无法运行流程！";
return rmins;
}
//传递runner变量
rmins.AppRunner = runner;
var aim = new ActivityInstanceManager();
TaskViewEntity taskView = null;
var runningNode = aim.GetRunningNodeOfMine(runner, out taskView);
//判断是否是当前登录用户的任务
if (runningNode.AssignedToUsers.Contains(runner.UserID.ToString()) == false)
{
result.Status = WfExecutedStatus.Exception;
result.ExceptionType = WfExceptionType.RunApp_HasNoTask;
result.Message = "当前没有登录用户要办理的任务，无法运行流程！";
return rmins;
}
var processModel = new ProcessModel(runningNode.ProcessGUID);
var activityResource = new ActivityResource(runner, runner.NextActivityPerformers, runner.Conditions);
var tm = new TaskManager();
rmins.TaskView = taskView;
rmins.RunningActivityInstance = runningNode;
rmins.ProcessModel = processModel;
rmins.ActivityResource = activityResource;
return rmins;
}
/// <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);
}
internal NodeMediatorGateway(ActivityEntity gActivity, ProcessModel processModel, IDbSession session)
{
_gatewayActivity = gActivity;
_processModel = processModel;
_session = session;
}
internal NextActivityScheduleBase(ProcessModel processModel)
{
_processModel = processModel;
}