public virtual IPage <TaskModel> GetHistoryTasks(string processInstanceId, string businessKey, bool?finished = null)
{
IHistoricTaskInstanceQuery query = historyService.CreateHistoricTaskInstanceQuery();
query.SetProcessInstanceId(processInstanceId)
.SetProcessInstanceBusinessKey(businessKey);
if (finished.GetValueOrDefault(false))
{
query.SetFinished();
}
var pageable = new Pageable
{
PageNo = 1,
PageSize = int.MaxValue
};
pageable.Sort = new Sort();
pageable.Sort.Add(new Sort.Order()
{
Property = "startTime",
Direction = Sort.Direction.ASC
});
historicSortApplier.ApplySort(query, pageable);
return(pageRetriever.LoadPage(historyService as ServiceImpl, query, pageable, historicTaskInstanceConverter, (q, firstResult, pageSize) =>
{
return new GetHistoricInstanceTasksCmd(q, firstResult, pageSize);
}));
}
/// <summary>
/// 获取流程实例历史记录，默认不启用分页，返回当期流程实例下的所有历史任务.
/// </summary>
public virtual IPage <TaskModel> GetHistoryTasks(string processInstanceId, string businessKey, string tenantId, Pageable pageable)
{
IHistoricTaskInstanceQuery query = historyService.CreateHistoricTaskInstanceQuery();
if (string.IsNullOrWhiteSpace(processInstanceId) == false)
{
query.SetProcessInstanceId(processInstanceId);
}
else
{
query.SetProcessInstanceBusinessKey(businessKey)
.SetTaskTenantId(tenantId);
}
if (pageable.PageSize == 0)
{
pageable.PageNo = 1;
pageable.PageSize = int.MaxValue;
}
historicSortApplier.ApplySort(query, pageable);
return(pageRetriever.LoadPage(historyService as ServiceImpl, query, pageable, historicTaskInstanceConverter, (q, firstResult, pageSize) =>
{
return new GetHistoricInstanceTasksCmd(q, firstResult, pageSize);
}));
}
public virtual long FindHistoricTaskInstanceCountByQueryCriteria(IHistoricTaskInstanceQuery historicTaskInstanceQuery)
{
if (HistoryManager.HistoryEnabled)
{
return(historicTaskInstanceDataManager.FindHistoricTaskInstanceCountByQueryCriteria(historicTaskInstanceQuery));
}
return(0);
}
public virtual IList <IHistoricTaskInstance> FindHistoricTaskInstancesAndVariablesByQueryCriteria(IHistoricTaskInstanceQuery historicTaskInstanceQuery)
{
if (HistoryManager.HistoryEnabled)
{
return(historicTaskInstanceDataManager.FindHistoricTaskInstancesAndVariablesByQueryCriteria(historicTaskInstanceQuery));
}
return(new List <IHistoricTaskInstance>());
}
public virtual IList <IHistoricTaskInstance> FindHistoricTaskInstancesAndVariablesByQueryCriteria(IHistoricTaskInstanceQuery historicTaskInstanceQuery)
{
var query = historicTaskInstanceQuery as HistoricTaskInstanceQueryImpl;
// paging doesn't work for combining task instances and variables
// due to an outer join, so doing it in-memory
if (query.FirstResult < 0 || query.MaxResults <= 0)
{
return(new List <IHistoricTaskInstance>());
}
int firstResult = query.FirstResult;
int maxResults = query.MaxResults;
// setting max results, limit to 20000 results for performance reasons
if (query.TaskVariablesLimit != null)
{
query.MaxResults = query.TaskVariablesLimit.GetValueOrDefault();
}
else
{
query.MaxResults = ProcessEngineConfiguration.HistoricTaskQueryLimit;
}
query.FirstResult = 0;
IList <IHistoricTaskInstance> instanceList = DbSqlSession.SelectListWithRawParameterWithoutFilter <HistoricTaskInstanceEntityImpl, IHistoricTaskInstance>("selectHistoricTaskInstancesWithVariablesByQueryCriteria", historicTaskInstanceQuery, query.FirstResult, query.MaxResults);
if (instanceList != null && instanceList.Count > 0)
{
if (firstResult > 0)
{
if (firstResult <= instanceList.Count)
{
int toIndex = firstResult + Math.Min(maxResults, instanceList.Count - firstResult);
return(instanceList.Skip(firstResult).Take(toIndex).ToList());
}
else
{
return(new List <IHistoricTaskInstance>());
}
}
else
{
int toIndex = Math.Min(maxResults, instanceList.Count);
return(instanceList.Skip(0).Take(toIndex).ToList());
}
}
return(instanceList);
}
public virtual IList <IHistoricTaskInstance> FindHistoricTaskInstancesByQueryCriteria(IHistoricTaskInstanceQuery historicTaskInstanceQuery)
{
return(DbSqlSession.SelectList <HistoricTaskInstanceEntityImpl, IHistoricTaskInstance>("selectHistoricTaskInstancesByQueryCriteria", historicTaskInstanceQuery));
}
public virtual long FindHistoricTaskInstanceCountByQueryCriteria(IHistoricTaskInstanceQuery historicTaskInstanceQuery)
{
return(DbSqlSession.SelectOne <HistoricTaskInstanceEntityImpl, long?>("selectHistoricTaskInstanceCountByQueryCriteria", historicTaskInstanceQuery).GetValueOrDefault());
}
