internal AggregateEntityLoader(AggregateDescriptor aggregate)
{
if (aggregate == null)
{
throw new ArgumentNullException("aggregate");
}
if (aggregate.Items.Count < 1)
{
throw new InvalidOperationException("aggregate.Items.Count < 1 must be false.");
}
this._aggregateInfo = aggregate;
}
/// <summary>
/// 生成指定加载选项的聚合SQL。
/// </summary>
/// <param name="aggregate">
/// 聚合加载选项
/// </param>
/// <param name="whereCondition">
/// 简单的过滤条件，如：
/// PBS.PBSTypeId = '...'
///
/// 如果传入Null，则默认生成以根对象为条件的格式化字符串。
/// </param>
/// <param name="joinFilterCondition">
/// 用于配合where条件进行过滤的join条件
/// select
/// {0},
/// {1}
/// from PBS
/// join ProjectPBS pp on pbs.Id = pp.PBSId
/// left outer join PBSBQItem i on pbs.Id = i.PBSId
/// where pp.ProjectId = '{{0}}'
/// order by pbs.Id, i.Id"
/// </param>
/// <returns></returns>
public AggregateSQLGenerator(AggregateDescriptor aggregate, string whereCondition = null, string joinFilterCondition = null)
{
if (aggregate == null)
{
throw new ArgumentNullException("aggregate");
}
if (aggregate.Items.Count < 1)
{
throw new InvalidOperationException("aggregate.Items.Count < 2 must be false.");
}
this._aggregateInfo = aggregate;
this._whereCondition = whereCondition;
this._joinFilterCondition = joinFilterCondition;
}
internal OrderByLoadOption(AggregateDescriptor descriptor) : base(descriptor)
{
}
internal PropertySelector(AggregateDescriptor descriptor) : base(descriptor)
{
}
internal LoadOptionSelector(AggregateDescriptor descriptor)
{
_descriptor = descriptor;
}
internal ChildrenSelector(AggregateDescriptor descriptor) : base(descriptor)
{
}