/// <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));
}
/// <summary>
/// 使用构造器进行配置。
/// </summary>
/// <param name="builder">构造器。</param>
protected virtual void OnConfiguring(EntityContextOptionsBuilder builder)
{
}
/// <summary>
/// 配置 <see cref="EntityContext"/> 使用 SqlServer 数据库。
/// </summary>
/// <param name="connectionString"></param>
public static void UseMongoDB(this EntityContextOptionsBuilder builder, string connectionString)
{
builder.Options.ContextFactory = () => new EntityContextInitializeContext(MongoDBProvider.Instance, connectionString);
}