private string GetPOEntryTableNumber()
{
IBusinessFlowService bfMetaService = ServiceHelper.GetService <IBusinessFlowService>();
var tableDefine = bfMetaService.LoadTableDefine(this.Context, POFormId, "FPOOrderEntry");
return(tableDefine.TableNumber);
}
/// <summary>
/// 尝试删除下游单据，返回删除结果
/// </summary>
/// <param name="tableNumber">下游单据表格编码</param>
/// <param name="entityIds">下游单据体内码</param>
/// <returns></returns>
private IOperationResult DeleteTargetBill(
string tableNumber, HashSet <long> entityIds)
{
IBusinessFlowService bfService = ServiceHelper.GetService <IBusinessFlowService>();
TableDefine tableDefine = bfService.LoadTableDefine(this.Context, tableNumber);
// 读取下游单据的元数据
IMetaDataService metaService = ServiceHelper.GetService <IMetaDataService>();
FormMetadata meta = metaService.Load(
this.Context, tableDefine.FormId) as FormMetadata;
// 根据下游单据体的内码，读取单据内码
HashSet <long> billIds = this.LoadTargetBillIds(meta.BusinessInfo, tableDefine.EntityKey, entityIds);
object[] pkValues = (from p in billIds select(object) p).ToArray();
// 调用删除服务，删除单据
IDeleteService deleteService = ServiceHelper.GetService <IDeleteService>();
IOperationResult deleteResult = deleteService.Delete(this.Context, meta.BusinessInfo,
pkValues, this.Option);
return(deleteResult);
}
/// <summary>
/// 分析业务流程实例，输出全部下游单据
/// </summary>
/// <param name="entity">上游单据体</param>
/// <param name="entityIds">上游单据体内码</param>
/// <param name="bfInstances">相关的业务流程实例</param>
/// <returns>Dictioanry(下游单据表格编码, 下游单据体内码集合)</returns>
private Dictionary <string, HashSet <long> > GetTargetEntityIds(
Entity entity, HashSet <long> entityIds,
BusinessFlowInstanceCollection bfInstances)
{
Dictionary <string, HashSet <long> > dctTargetEntityIds = new Dictionary <string, HashSet <long> >();
IBusinessFlowService bfService = ServiceHelper.GetService <IBusinessFlowService>();
TableDefine srcTableDefine = bfService.LoadTableDefine(
this.Context, this.BusinessInfo.GetForm().Id, entity.Key);
// 逐个实例查找本单的下游单据体内码
foreach (var instance in bfInstances)
{
// 首先找到业务流程实例中，本单所在的节点
List <RouteTreeNode> srcNodes = instance.SerarchTargetFormNodes(srcTableDefine.TableNumber);
foreach (RouteTreeNode srcNode in srcNodes)
{
if (entityIds.Contains(srcNode.Id.EId))
{
// 找到了本单所在的节点，按类别输出其下游节点：
foreach (RouteTreeNode targetNode in srcNode.ChildNodes)
{
if (dctTargetEntityIds.Keys.Contains(targetNode.Id.Tbl) == false)
{
dctTargetEntityIds.Add(targetNode.Id.Tbl, new HashSet <long>());
}
if (dctTargetEntityIds[targetNode.Id.Tbl].Contains(targetNode.Id.EId) == false)
{
dctTargetEntityIds[targetNode.Id.Tbl].Add(targetNode.Id.EId);
}
}
}
}
}
return(dctTargetEntityIds);
}
