private void ValidateApplyItemSection(ApplyItemCollection applyItems)
{
if (applyItems == null || applyItems.Count == 0)
{
throw new ConfigurationErrorsException("当前应用程序的 EF 读写分离服务配置文件定义有误，不包含任何的读写分离数据库连接配置映射项。");
}
}
/// <summary>
/// 根据 EF 数据库上下文类型获取当前应用程序的 EF 读写分离服务配置文件中其所对应的 <see cref="ApplyItemElement"/> 对象。
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public ApplyItemElement GetApplyItem(System.Data.Entity.DbContext context)
{
ApplyItemCollection applyItems = this.ApplyItems;
this.ValidateApplyItemSection(applyItems);
return(applyItems.GetApplyItem(context));
}
/// <summary>
/// 根据 EF 数据库上下文对象获取当前应用程序的 EF 读写分离服务配置文件中其所对应的 <see cref="ApplyItemElement"/> 对象。
/// </summary>
/// <param name="contextType"></param>
/// <returns></returns>
public ApplyItemElement GetApplyItem(Type contextType)
{
ApplyItemCollection applyItems = this.ApplyItems;
this.ValidateApplyItemSection(applyItems);
return(applyItems.GetApplyItem(contextType));
}
private void ValidateApplyItemSection(ApplyItemCollection applyItems)
{
if (applyItems == null || applyItems.Count == 0)
{
throw new ConfigurationErrorsException("当前应用程序的 EF 读写分离服务配置文件定义有误，不包含任何的读写分离数据库连接配置映射项。");
}
}
