/// <summary>
/// 初始化。
/// </summary>
private void Initialize(EntityContextOptions options)
{
Guard.ArgumentNull(options, nameof(options));
TrySetContextType(options);
TrySetServiceProvider(options);
TryPaserInstanceSetting(options);
TryHandleConnectionTenancy(options);
var builder = new EntityContextOptionsBuilder(options);
OnConfiguring(builder);
if (options.Provider == null)
{
throw new NotSupportedException(SR.GetString(SRKind.NotSupportDbProvider));
}
var contextProvider = options.GetProviderService <IContextProvider>();
_contextService = contextProvider.CreateContextService(new ContextServiceContext(_serviceProvider, options));
}
