public static TkDbContext CreateDefault()
{
ISupportDbContext support = GetSupport();
DbContextConfig config = support.Default;
TkDebug.AssertNotNull(config, "AppSetting中没有配置Default的DbContext", support);
return(config.CreateDbContext());
}
private static ISupportDbContext GetSupport()
{
TkDebug.ThrowIfNoAppSetting();
ISupportDbContext support = BaseAppSetting.Current as ISupportDbContext;
TkDebug.AssertNotNull(support, "AppSetting不支持ISupportDbContext接口，无法创建DbContext",
BaseAppSetting.Current);
return(support);
}
public static TkDbContext CreateDbContext(string name)
{
TkDebug.AssertArgumentNullOrEmpty(name, "name", null);
ISupportDbContext support = GetSupport();
DbContextConfig config = support.GetContextConfig(name);
TkDebug.AssertNotNull(config, string.Format(ObjectUtil.SysCulture,
"AppSetting中没有配置名称为{0}的DbContext", name), support);
return(config.CreateDbContext());
}
public static DbContextConfig GetDbContextConfig(string name)
{
ISupportDbContext support = GetSupport();
if (string.IsNullOrEmpty(name))
{
return(support.Default);
}
else
{
return(support.GetContextConfig(name));
}
}
protected override object InternalConvertFromString(string text, ReadSettings settings)
{
ISupportDbContext support = BaseAppSetting.Current as ISupportDbContext;
if (support == null)
{
return(null);
}
if (string.IsNullOrEmpty(text))
{
return(support.Default);
}
return(support.GetContextConfig(text));
}
