/// <summary>
/// 构造函数。
/// </summary>
/// <param name="ownSetting">表和键值用逗号分开，多个不同对象引用用分号分开. 如：OrderDoc,UID;Material,ID</param>
public NextOwnAttribute(string ownTableName, string ownFieldName, string description)
{
_OwnTableName = ownTableName;
_OwnFieldName = ownFieldName;
_OwnDescription = description;
_RestrictOption = LinkRestrictOption.CancelSubmit;
}
/// <summary>
/// 构造函数...
/// </summary>
/// <param name="cfgXmlSqlName">判断该对象是否被引用在XML中配置的SQL语句名称。</param>
/// <param name="description"></param>
public NextOwnAttribute(string cfgXmlSqlName, string description)
{
_CfgXmlSqlName = cfgXmlSqlName;
_OwnDescription = description;
_RestrictOption = LinkRestrictOption.CancelSubmit;
}
/// <summary>
/// 检查当前对象是否已被其它对象引用。
/// </summary>
/// <param name="db"></param>
/// <param name="baseRule"></param>
/// <param name="mainEntity"></param>
/// <param name="restrictOption"></param>
/// <returns></returns>
public bool ObjectOwnerless(Database db, MB.RuleBase.IFace.IBaseRule baseRule, object mainEntity, LinkRestrictOption restrictOption)
{
if (restrictOption == LinkRestrictOption.CancelSubmit)
{
if (!CheckExistsDocState(mainEntity))
{
return(true);
}
var docState = GetEntityDocState(mainEntity);
if (docState == DocState.Progress)
{
return(true);
}
}
RuleSettingAttribute ruleSettAtt = MB.RuleBase.Atts.AttributeConfigHelper.Instance.GetRuleSettingAtt(baseRule);
//如果用户没有配置那么表示不需要上级引用的约束控制
if (ruleSettAtt == null || ruleSettAtt.BaseDataType == null)
{
return(true);
}
NextOwnAttribute[] atts = MB.RuleBase.Atts.AttributeConfigHelper.Instance.GetNextOwnAttByType(ruleSettAtt.BaseDataType);
if (atts == null || atts.Length == 0)
{
return(true);
}
List <DbCommand> cmds = new List <DbCommand>();
string objDescription = string.Empty;
MB.Orm.Mapping.ModelMappingInfo mappingInfo = null;
string keyName = MB.Orm.Mapping.AttMappingManager.Instance.GetPrimaryKey(mainEntity, ref mappingInfo);
object keyValue = MB.Util.MyReflection.Instance.InvokePropertyForGet(mainEntity, keyName);
foreach (NextOwnAttribute att in atts)
{
//只有配置成 阻止撤消提交的，才进行这样的处理
if (att.RestrictOption != restrictOption)
{
continue;
}
if (string.IsNullOrEmpty(att.CfgXmlSqlName))
{
string sql = string.Format("SELECT 1 FROM {0} WHERE {1}='{2}'", att.OwnTableName, att.OwnFieldName, keyValue.ToString());
if (!string.IsNullOrEmpty(att.OwnFilter))
{
sql += string.Format(att.OwnFilter, keyValue.ToString());
}
DbCommand tempCmd = db.GetSqlStringCommand(sql);
cmds.Add(tempCmd);
}
else
{
System.Data.Common.DbCommand[] tempCmds = MB.Orm.Persistence.PersistenceManagerHelper.NewInstance.CreateDbCommandByXml(db,
mappingInfo.XmlConfigFileName, att.CfgXmlSqlName, keyValue);
if (tempCmds.Length != 1)
{
throw new MB.RuleBase.Exceptions.SelectSqlXmlConfigException(mappingInfo.XmlConfigFileName, att.CfgXmlSqlName);
}
cmds.AddRange(tempCmds);
}
if (objDescription.Length == 0)
{
objDescription = "<<" + att.OwnDescription + ">>";
}
else
{
objDescription += "或 <<" + att.OwnDescription + ">>";
}
}
foreach (DbCommand dbCmd in cmds)
{
object val = _DbExexuteHelper.ExecuteScalar(db, dbCmd);
if (val != null && val != System.DBNull.Value)
{
throw new MB.Util.APPException(string.Format("由于该对象已生成{0}，不能再进行重做。", objDescription),
MB.Util.APPMessageType.DisplayToUser);
}
}
return(true);
}
