NHibernate:从不在模型中的存储过程返回额外属性
在使用NHibernate执行存储过程时,是否有方法返回不在原始模型中的额外字段 我正在做的是创建一个存储过程来返回资源的搜索结果。它返回资源类的所有普通字段,但也返回一个名为Rank的额外字段。有没有办法将其映射到当前资源类(或者甚至创建一个从资源继承的类,只添加一个属性) 我的存储过程的执行是:NHibernate:从不在模型中的存储过程返回额外属性,nhibernate,nhibernate-mapping,Nhibernate,Nhibernate Mapping,在使用NHibernate执行存储过程时,是否有方法返回不在原始模型中的额外字段 我正在做的是创建一个存储过程来返回资源的搜索结果。它返回资源类的所有普通字段,但也返回一个名为Rank的额外字段。有没有办法将其映射到当前资源类(或者甚至创建一个从资源继承的类,只添加一个属性) 我的存储过程的执行是: <sql-query name="GetRelatedResources"> <return alias="item" class="ResourceRanked">
<sql-query name="GetRelatedResources">
<return alias="item" class="ResourceRanked">
<return-property column="Rank" name="Rank" />
<return-property column="ResourceId" name="Id" />
<return-property column="Name" name="Name" />
<return-property column="Description" name="Description" />
<return-property column="Filename" name="Filename" />
<return-property column="Filetype" name="Filetype" />
<return-property column="IsPublic" name="IsPublic" />
<return-property column="IsFeatured" name="IsFeatured" />
<return-property column="VideoEmbedCode" name="VideoEmbedCode" />
<return-property column="VideoId" name="VideoId" />
<return-property column="VideoPlayerId" name="VideoPlayerId" />
<return-property column="VideoPlayerKey" name="VideoPlayerKey" />
<return-property column="VideoHeight" name="VideoHeight" />
<return-property column="VideoWidth" name="VideoWidth" />
<return-property column="IsDeleted" name="IsDeleted" />
<return-property column="CreatedOn" name="CreatedOn" />
<return-property column="ModifiedOn" name="ModifiedOn" />
<return-property column="CreatedBy" name="CreatedBy" />
<return-property column="ModifiedBy" name="ModifiedBy" />
<return-property column="CreatedByName" name="CreatedByName" />
<return-property column="ModifiedByName" name="ModifiedByName" />
</return>
exec dbo.gbi_sp_GetRelatedResources :pageSize, :pageIndex, :resourceId
</sql-query>
但是,除非复制资源类的xml映射,否则我无法实现这一点。我已经查看了nhibernate的子类,但它们似乎不适合我要做的事情。我找不到任何适合我的解决方案,因此,不幸的是,我不得不专门为存储过程的返回结果映射另一个类。更好的方法是在需要连接结果集的表上创建一个视图,并在存储过程中查询该视图,然后在.hbm文件中映射该视图。您可以在链接上查看详细信息
public class Resource : DomainEntity
{
[Required(ErrorMessage = "Please enter a name"), StringLength(100, ErrorMessage = "Name length can not exceed 100 characters")]
public virtual string Name { get; set; }
[StringLength(200, ErrorMessage = "Description length can not exceed 200 characters")]
public virtual string Description { get; set; }
public virtual string Filename { get; set; }
public virtual string Filetype { get; set; }
public virtual bool IsPublic { get; set; }
public virtual bool IsFeatured { get; set; }
[StringLength(500, ErrorMessage = "Embed Code length can not exceed 500 characters")]
public virtual string VideoEmbedCode { get; set; }
public virtual long? VideoId { get; set; }
public virtual long? VideoPlayerId { get; set; }
[StringLength(100, ErrorMessage = "Player Key length can not exceed 100 characters")]
public virtual string VideoPlayerKey { get; set; }
public virtual int? VideoHeight { get; set; }
public virtual int? VideoWidth { get; set; }
//public virtual int Rank { get; set; }
public virtual string Format {
get
{
if (ResourceFileType == ResourceFileType.EmbeddedVideo || ResourceFileType == ResourceFileType.VideoPlayer)
return "Video";
switch (Filetype)
{
case "pdf":
return "Adobe Acrobat";
case "docx":
case "doc":
return "Microsoft Word";
case "ppt":
case "pptx":
return "Microsoft PowerPoint";
case "xls":
case "xlsx":
return "Microsoft Excel";
default:
return Filetype.ToUpper();
}
}
}
public virtual ResourceFileType ResourceFileType
{
get
{
if (VideoId.HasValue)
return ResourceFileType.VideoPlayer;
if (!VideoEmbedCode.IsNullOrEmpty() || VideoId.HasValue)
return ResourceFileType.EmbeddedVideo;
return ResourceFileType.Document;
}
}
public virtual IEnumerable<Market> Markets { get; set; }
public virtual IEnumerable<Workstream> Workstreams { get; set; }
public virtual IEnumerable<Tag> Tags { get; set; }
public virtual IEnumerable<Topic> Topics { get; set; }
public virtual IEnumerable<ResourceType> Types { get; set; }
public override string ToString()
{
return Id + " - " + Name;
}
}
public class ResourceRanked : Resource
{
public virtual int Rank { get; set; }
}