/// <summary>
/// 保存工作流实例
/// </summary>
/// <param name="instance"></param>
protected override StateMachineWorkflowInstance SaveWorkflowInstance(StateMachineWorkflowInstance instance)
{
foreach (Activity activity in instance.ExecutedActivities)
{
AddApprovalActivity(activity);
}
NHStateMachineInstance nHInstance = dao.GetById(instance.Id, false);
ConvertNHFromInstance(instance, nHInstance);
dao.Save(nHInstance);
return(instance);
}
/// <summary>
/// 插入一条新的工作流
/// </summary>
/// <param name="instance"></param>
protected override StateMachineWorkflowInstance InsertWorkflowInstance(StateMachineWorkflowInstance instance)
{
foreach (Activity activity in instance.ExecutedActivities)
{
AddApprovalActivity(activity);
}
NHStateMachineInstance nHInstance = new NHStateMachineInstance();
nHInstance.Id = instance.Id;
ConvertNHFromInstance(instance, nHInstance);
dao.Save(nHInstance);
return(instance);
}
/// <summary>
/// 将NHStateMachineInstance对象反序列化为状态机工作流对象
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="isAttachMore">是否需要加载其他信息:该实例所有执行动作的实例</param>
/// <returns></returns>
private StateMachineWorkflowInstance ConvertNHToInstance(NHStateMachineInstance instance, bool isAttachMore)
{
StateMachineWorkflowInstance newInstance = new StateMachineWorkflowInstance();
newInstance.WorkflowName = instance.WorkflowName;
newInstance.EaId = instance.EaId;
newInstance.Id = instance.Id;
if (!string.IsNullOrEmpty(instance.ParentId))
{
newInstance.ParentId = new Guid(instance.ParentId);
}
newInstance.PersistTime = instance.PersistTime;
newInstance.Properties.Add("UnitCode", instance.CreaterUnit);
newInstance.Properties.Add("CreaterUserId", instance.CreaterUserId);
newInstance.StateName = instance.StateName;
if (!string.IsNullOrEmpty(instance.Children))
{
string[] childrenId = instance.Children.Split(';');
List <Guid> childrenIds = new List <Guid>();
for (int i = 0; i < childrenId.Length; i++)
{
Guid childId = new Guid(childrenId[i]);
childrenIds.Add(childId);
}
newInstance.ChildrenId = childrenIds;
}
if (!string.IsNullOrEmpty(instance.StateRecord))
{
string[] stateNames = instance.StateRecord.Split(';');
newInstance.StateRecordNames = new List <string>(stateNames);
}
if (isAttachMore)
{
if (!string.IsNullOrEmpty(instance.ExecuteActivitiesIds))
{
string[] ids = instance.ExecuteActivitiesIds.Split(";".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
List <long> allIds = new List <long>();
for (int i = 0; i < ids.Length; i++)
{
long activityId;
if (long.TryParse(ids[i], out activityId))
{
allIds.Add(activityId);
}
}
newInstance.ExecutedActivities.AddRange(GetApprovalActivitys(allIds.ToArray()));
}
}
return(newInstance);
}
/// <summary>
/// 获取某实例
/// </summary>
/// <param name="id">实例Id</param>
/// <param name="isAttachMore">是否装载更多信息</param>
/// <returns></returns>
protected override StateMachineWorkflowInstance GetWorkflowInstance(Guid id, bool isAttachMore)
{
List <NHStateMachineInstance> instanceList = dao.GetInstanceById(id);
if (instanceList == null || instanceList.Count == 0)
{
throw new ApplicationException(string.Format("\"{0}\" entity cannot found!", id));
}
else
{
NHStateMachineInstance nHInstance = instanceList[0];
return(ConvertNHToInstance(nHInstance, isAttachMore));
}
}
/// <summary>
/// 将状态机工作流实例序列化转换为NHStateMachineInstance
/// </summary>
/// <param name="instance">The instance.</param>
/// <param name="nHInstance">The n H instance.</param>
private void ConvertNHFromInstance(StateMachineWorkflowInstance instance, NHStateMachineInstance nHInstance)
{
nHInstance.EaId = instance.EaId;
if (instance.ParentId != Guid.Empty)
{
nHInstance.ParentId = instance.ParentId.ToString();
}
nHInstance.WorkflowName = instance.WorkflowName;
nHInstance.StateName = instance.StateName;
nHInstance.CreaterUserId = instance.Properties["CreaterUserId"];
nHInstance.CreaterUnit = instance.Properties["UnitCode"];
nHInstance.PersistTime = instance.PersistTime;
nHInstance.TypeName = typeof(StateMachineWorkflowInstance).Name;
if (instance.ChildrenId != null)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < instance.ChildrenId.Count; i++)
{
if (i != 0)
{
sb.Append(";");
}
sb.Append(instance.ChildrenId[i].ToString());
}
nHInstance.Children = sb.ToString();
}
else
{
nHInstance.Children = string.Empty;
}
if (instance.ExecutedActivities != null)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < instance.ExecutedActivities.Count; i++)
{
if (i != 0)
{
sb.Append(";");
}
sb.Append(instance.ExecutedActivities[i].Id.ToString());
}
nHInstance.ExecuteActivitiesIds = sb.ToString();
}
else
{
nHInstance.ExecuteActivitiesIds = string.Empty;
}
if (instance.StateRecordNames != null)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < instance.StateRecordNames.Count; i++)
{
if (i != 0)
{
sb.Append(";");
}
sb.Append(instance.StateRecordNames[i]);
}
nHInstance.StateRecord = sb.ToString();
}
else
{
nHInstance.StateRecord = string.Empty;
}
}
