/// <summary>
/// 从DataSet 中创建可以进行数据库操作的DBCommand。
/// </summary>
/// <param name="db"></param>
/// <param name="baseRule"></param>
/// <param name="dsData"></param>
/// <param name="dataInDocType"></param>
/// <returns></returns>
public IList <EntityDbCommandInfo> CreateCmdsFromDataSet(Database db, IBaseRule baseRule, DataSet dsData, object foreingKeyValue, object dataInDocType)
{
List <EntityDbCommandInfo> cmds = new List <EntityDbCommandInfo>();
ObjectDataMappingAttribute mappingAtt = AttributeConfigHelper.Instance.GetObjectDataMappingAttribute(dataInDocType);
MB.Orm.Enums.OperationType opts = MB.Orm.Enums.OperationType.Insert | MB.Orm.Enums.OperationType.Update;
if (mappingAtt.DeleteNotInIds)
{
opts = opts | MB.Orm.Enums.OperationType.DeleteNotIn;
}
else
{
opts = opts | MB.Orm.Enums.OperationType.Delete;
}
MB.Orm.Persistence.PersistenceManagerHelper persistenceManager = MB.Orm.Persistence.PersistenceManagerHelper.NewInstance;
Dictionary <MB.Orm.Enums.OperationType, MB.Orm.DbSql.SqlString[]> sqlLib =
MB.Orm.Mapping.Xml.SqlConfigHelper.Instance.GetObjectStandardEditSql(mappingAtt.MappingXmlFileName, opts);
DataRow[] drsData = dsData.Tables[0].Select();
if (sqlLib.ContainsKey(OperationType.DeleteNotIn) && (foreingKeyValue != null && foreingKeyValue != System.DBNull.Value))
{
EntityDbCommandInfo[] cmdDeletes = persistenceManager.CreateDeleteNotInDbCommand(db,
sqlLib[OperationType.DeleteNotIn], drsData, mappingAtt.KeyName, foreingKeyValue);
cmds.AddRange(cmdDeletes);
}
StringBuilder sqlB = new StringBuilder();
foreach (DataRow dr in drsData)
{
//空行跳过不进行处理
bool b = MB.Orm.Common.ValueValidated.Instance.RowIsNull(dr);
if (b)
{
continue;
}
switch (dr.RowState)
{
case System.Data.DataRowState.Added: //增加
if (!sqlLib.ContainsKey(OperationType.Insert))
{
continue;
}
if (!string.IsNullOrEmpty(mappingAtt.ForeingKeyName) && foreingKeyValue != null &&
dr.Table.Columns.Contains(mappingAtt.ForeingKeyName) &&
(dr[mappingAtt.ForeingKeyName] == System.DBNull.Value))
{
dr[mappingAtt.ForeingKeyName] = foreingKeyValue;
}
DbCommand[] cmdAdds = persistenceManager.CreateDbCommandByDataRow(db, sqlLib[OperationType.Insert], dr);
foreach (DbCommand ad in cmdAdds)
{
cmds.Add(new EntityDbCommandInfo(dr, ad));
}
// cmds.AddRange(cmdAdds);
break;
case System.Data.DataRowState.Modified: //修改
if (!sqlLib.ContainsKey(OperationType.Update))
{
continue;
}
DbCommand[] cmdUpdates = persistenceManager.CreateDbCommandByDataRow(db, sqlLib[OperationType.Update], dr);
foreach (DbCommand ud in cmdUpdates)
{
cmds.Add(new EntityDbCommandInfo(dr, ud));
}
// cmds.AddRange(cmdUpdates);
break;
case System.Data.DataRowState.Deleted: //删除为直接删除，所以这里不进行处理。
break;
case System.Data.DataRowState.Detached:
default:
break;
}
}
return(cmds);
}
/// <summary>
/// 从ObjectDataList 创建可进行数据库操作的DbCommand。
/// </summary>
/// <param name="baseRule">指定操作的业务类(为空将根据集合中的实体类型中的配置信息来自动创建DBCommand)。</param>
/// <param name="db">数据库操作DB.</param>
/// <param name="dataList">数据</param>
/// <returns></returns>
public IList <EntityDbCommandInfo> CreateCmdsFromObjectDataList(IBaseRule baseRule, Database db, ObjectDataList dataList)
{
RuleSettingAttribute mappingAtt = null;
if (baseRule != null)
{
mappingAtt = AttributeConfigHelper.Instance.GetRuleSettingAtt(baseRule);
}
if (mappingAtt != null && mappingAtt.BaseDataType == null)
{
throw new MB.Util.APPException("业务类:" + baseRule.GetType().FullName + " 必须要先配置主表数据在单据中的类型值。", MB.Util.APPMessageType.SysErrInfo);
}
//获取存储变化的数据对象。
IEnumerable <ObjectDataInfo> vals = dataList.GetCanSaveAndOrder(); //必须要进行排序以获取主表的键值
List <EntityDbCommandInfo> cmds = new List <EntityDbCommandInfo>();
object mainKeyValue = null;
bool currentIsMain = false;
MB.Orm.Persistence.PersistenceManagerHelper persistenceManager = MB.Orm.Persistence.PersistenceManagerHelper.NewInstance;
foreach (ObjectDataInfo dataInfo in vals)
{
if (mappingAtt != null && (int)dataInfo.DataInDocType == (int)mappingAtt.BaseDataType)//获取基本对象的主键值。
{
if (mappingAtt.GenerateKeyModel == GenerateKeyModel.OnDataSave)
{
//设置对象的主键
MB.Orm.Persistence.EntityIdentityHelper.NewInstance.FillEntityIdentity(dataInfo.ObjectData);
}
mainKeyValue = GetObjectKeyValue(baseRule, dataInfo);
currentIsMain = true;
}
else
{
currentIsMain = false;
}
object data = dataInfo.ObjectData;
//MB.Orm.Enums.OperationType operationType = ConvertDataStateToOperationType(dataInfo.DataState);
//if (operationType == MB.Orm.Enums.OperationType.None)
// continue;
if (data == null)
{
continue;
}
if (data.GetType().IsSubclassOf(typeof(MB.Orm.Common.BaseModel)))
{
DbCommand[] acmd = null;
if (string.IsNullOrEmpty(dataInfo.ExecuteXmlCfgSqlName))
{
MB.Orm.Enums.OperationType operationType = ConvertEntityStateToOperationType((data as MB.Orm.Common.BaseModel).EntityState);
if (operationType == MB.Orm.Enums.OperationType.None)
{
continue;
}
acmd = persistenceManager.GetDbCommand(db, data as MB.Orm.Common.BaseModel,
operationType, dataInfo.SavePropertys);
}
else
{
acmd = persistenceManager.GetDbCommand(db, data as MB.Orm.Common.BaseModel,
dataInfo.ExecuteXmlCfgSqlName);
}
//如果存在多个Command 上只需要记录一次主体对象就可以,避免多次进行引用约束判断
bool hasRegister = false;
foreach (DbCommand d in acmd)
{
EntityDbCommandInfo ecmd = new EntityDbCommandInfo(data, d);
if (!hasRegister)
{
ecmd.IsMainEntity = currentIsMain;
hasRegister = true;
}
//目前只对主体数据进行删除的约束标记。
if (ecmd.IsMainEntity && dataInfo.DataState == ObjectDataState.Deleted)
{
ecmd.OperationType = OperationType.Delete;
}
ecmd.IsPartPropertyUpdate = (dataInfo.SavePropertys != null && dataInfo.SavePropertys.Length > 0);
cmds.Add(ecmd);
}
}
else if (data.GetType().IsSubclassOf(typeof(System.Data.DataSet)))
{
if (mainKeyValue == null)
{
throw new MB.Util.APPException("在批量存储对象明细前必须先获取主表键值！", MB.Util.APPMessageType.SysErrInfo);
}
if (baseRule == null)
{
throw new MB.Util.APPException("通过CreateCmdsFromObjectDataList 执行DataSet时,业务对象不能为空", Util.APPMessageType.SysErrInfo);
}
IList <EntityDbCommandInfo> tempCmds = CreateCmdsFromDataSet(db, baseRule, data as DataSet, mainKeyValue, dataInfo.DataInDocType);
foreach (EntityDbCommandInfo tCmd in tempCmds)
{
cmds.Add(tCmd);
}
}
else
{
throw new MB.RuleBase.Exceptions.DataTypeUnSupportException(data.GetType().FullName);
}
}
return(cmds);
}
