/// <summary>
///
/// </summary>
/// <param name="sqlContext">Sql语句上下文</param>
/// <param name="condition"></param>
/// <param name="orderByBuilder"></param>
/// <param name="afterLoadAction"></param>
/// <param name="action"></param>
/// <param name="createNewAction"></param>
/// <param name="tableName"></param>
/// <param name="mappings"></param>
public void RegisterLoadByBuilderInContext(SqlContextItem sqlContext, string condition,
OrderBySqlClauseBuilder orderByBuilder,
Action <TCollection> afterLoadAction,
Action <TCollection> action,
Func <DataRow, T> createNewAction, string tableName,
ORMappingItemCollection mappings)
{
if (mappings == null)
{
mappings = this.GetQueryMappingInfo();
}
string queryTableName = mappings.GetQueryTableName();
if (tableName.IsNullOrEmpty())
{
tableName = queryTableName;
}
string sql = GetLoadSqlByBuilder(condition, orderByBuilder, queryTableName);
this.RegisterQueryData(sqlContext, tableName, mappings, sql, (collection) =>
{
if (afterLoadAction != null)
{
afterLoadAction(collection);
}
if (action != null)
{
action(collection);
}
},
createNewAction);
}
private static string GetQueryTableName(ORMappingItemCollection mappings, DateTime timePoint)
{
string result = mappings.GetQueryTableName();
if (timePoint != DateTime.MinValue)
{
result = mappings.TableName;
}
return(result);
}
/// <summary>
///
/// </summary>
/// <param name="whereAction"></param>
/// <param name="mappings"></param>
/// <returns></returns>
public bool Exists(Action <WhereSqlClauseBuilder> whereAction, ORMappingItemCollection mappings = null)
{
whereAction.NullCheck("whereAction");
if (mappings == null)
{
mappings = this.GetQueryMappingInfo();
}
WhereSqlClauseBuilder builder = new WhereSqlClauseBuilder();
whereAction(builder);
builder.AppendTenantCode(typeof(T));
string sql = string.Format("SELECT TOP 1 * FROM {0}", mappings.GetQueryTableName());
if (builder.Count > 0)
{
sql = sql + string.Format(" WHERE {0}", builder.ToSqlString(TSqlBuilder.Instance));
}
return((int)DbHelper.RunSqlReturnDS(sql, GetConnectionName()).Tables[0].Rows.Count > 0);
}
/// <summary>
///
/// </summary>
/// <param name="condition"></param>
/// <param name="orderByBuilder"></param>
/// <param name="mappings"></param>
/// <returns></returns>
protected TCollection InnerLoadByBuilder(string condition, OrderBySqlClauseBuilder orderByBuilder, ORMappingItemCollection mappings)
{
string sql = QueryInContextBuilder <T, TCollection> .Instance.GetLoadSqlByBuilder(condition, orderByBuilder, mappings.GetQueryTableName());
TCollection result = QueryData(sql);
this.AfterLoad(result);
return(result);
}
