/// <summary>
/// 构造函数.
/// </summary>
/// <param name="tableName"></param>
/// <param name="xmlFileName"></param>
/// <param name="configOptions"></param>
/// <param name="primaryKeys"></param>
public ModelMapAttribute(string tableName, string xmlFileName, ModelConfigOptions configOptions, params string[] primaryKeys)
{
_TableName = tableName;
_XmlFileName = xmlFileName;
_PrimaryKeys = primaryKeys;
_ConfigOptions = configOptions;
}
/// <summary>
/// 针对一个实体永久化操作。
/// 整个业务对象的所有实体操作在业务类的层次中进行整合操作处理。
/// </summary>
/// <param name="db"></param>
/// <param name="entity"></param>
/// <param name="operationType"></param>
/// <param name="propertys"></param>
/// <returns></returns>
public System.Data.Common.DbCommand[] GetDbCommand(Database db, BaseModel entity, OperationType operationType, string[] propertys)
{
ModelMappingInfo mappingInfo = AttMappingManager.Instance.GetModelMappingInfo(entity.GetType());
ModelConfigOptions cfgOptions = mappingInfo.ConfigOptions;
BaseSqlGenerator sqlGenerator = SqlGeneratorManager.GetSqlGenerator(cfgOptions, propertys);
SqlString[] sqlStr = sqlGenerator.GenerateSql(entity.GetType(), operationType, propertys);
List <System.Data.Common.DbCommand> cmds = new List <System.Data.Common.DbCommand>();
foreach (SqlString s in sqlStr)
{
System.Data.Common.DbCommand dbCmd = PrepareExecuteCommand(db, entity, s);
cmds.Add(dbCmd);
}
return(cmds.ToArray());
}
/// <summary>
/// 获取生成SQL 的操作对象。
/// </summary>
/// <param name="cfgOptions"></param>
/// <param name="properties"></param>
/// <returns></returns>
public static BaseSqlGenerator GetSqlGenerator(ModelConfigOptions cfgOptions, string[] properties)
{
BaseSqlGenerator sqlGenerator = null;
if ((cfgOptions & ModelConfigOptions.CreateSqlByXmlCfg) != 0)
{
if (_XmlSqlConfigObject == null)
{
_XmlSqlConfigObject = new XmlConfigSqlGenerator();
}
sqlGenerator = _XmlSqlConfigObject;
}
else
{
if (_AutoSqlCreate == null)
{
_AutoSqlCreate = new AutoMappingSqlGenerator();
}
sqlGenerator = _AutoSqlCreate;
}
//如果存在个性化的属性，那么只能通过自动生成SQL 的方式。
if (properties != null && properties.Length > 0)
{
if (_AutoSqlCreate == null)
{
_AutoSqlCreate = new AutoMappingSqlGenerator();
}
return(_AutoSqlCreate);
}
else
{
return(sqlGenerator);
}
}
/// <summary>
/// 获取生成SQL 的操作对象
/// </summary>
/// <param name="cfgOptions"></param>
/// <returns></returns>
public static BaseSqlGenerator GetSqlGenerator(ModelConfigOptions cfgOptions)
{
return(GetSqlGenerator(cfgOptions, null));
}
