/// <summary>为数据模型创建实体程序集，无缓存</summary>
/// <param name="name">程序集名</param>
/// <param name="connName">连接名</param>
/// <param name="tables">模型表</param>
/// <returns></returns>
public static EntityAssembly Create(String name, String connName, List <IDataTable> tables)
{
if (String.IsNullOrEmpty(name))
{
return(null);
}
if (tables == null)
{
return(null);
}
var asm = new EntityAssembly();
asm.Name = name;
asm.ConnName = connName;
asm.Tables = tables;
asm.CreateAll();
asm.Compile();
return(asm);
}
/// <summary>为数据模型创建实体程序集，带缓存，依赖于表和字段名称，不依赖名称以外的信息。</summary>
/// <param name="name"></param>
/// <param name="tables"></param>
/// <returns></returns>
public static EntityAssembly CreateWithCache(String name, List <IDataTable> tables)
{
if (String.IsNullOrEmpty(name))
{
return(null);
}
if (tables == null)
{
return(null);
}
// 构建缓存Key
var sb = new StringBuilder();
sb.Append(name);
foreach (var item in tables)
{
sb.Append("|");
sb.Append(item.Name);
foreach (var dc in item.Columns)
{
sb.Append(",");
sb.Append(dc.Name);
}
}
var key = DataHelper.Hash(sb.ToString());
return(cache.GetItem <String, List <IDataTable> >(key, name, tables, (k, n, ts) =>
{
var asm = new EntityAssembly();
asm.Name = n;
asm.Tables = ts;
asm.CreateAll();
asm.Compile();
return asm;
}));
}
/// <summary>为数据模型创建实体程序集，无缓存</summary>
/// <param name="name">程序集名</param>
/// <param name="connName">连接名</param>
/// <param name="tables">模型表</param>
/// <returns></returns>
public static EntityAssembly Create(String name, String connName, List<IDataTable> tables)
{
if (String.IsNullOrEmpty(name)) return null;
if (tables == null) return null;
var asm = new EntityAssembly();
asm.Name = name;
asm.ConnName = connName;
asm.Tables = tables;
asm.CreateAll();
asm.Compile();
return asm;
}
/// <summary>为数据模型创建实体程序集，带缓存，依赖于表和字段名称，不依赖名称以外的信息。</summary>
/// <param name="name"></param>
/// <param name="tables"></param>
/// <returns></returns>
public static EntityAssembly CreateWithCache(String name, List<IDataTable> tables)
{
if (String.IsNullOrEmpty(name)) return null;
if (tables == null) return null;
// 构建缓存Key
var sb = new StringBuilder();
sb.Append(name);
foreach (var item in tables)
{
sb.Append("|");
sb.Append(item.Name);
foreach (var dc in item.Columns)
{
sb.Append(",");
sb.Append(dc.Name);
}
}
var key = DataHelper.Hash(sb.ToString());
return cache.GetItem<String, List<IDataTable>>(key, name, tables, (k, n, ts) =>
{
var asm = new EntityAssembly();
asm.Name = n;
asm.Tables = ts;
asm.CreateAll();
asm.Compile();
return asm;
});
}
