OGIF Office Hours #6 - Looking at the Factory pattern, Erlang state machines, and the Trading Process

147 minutes Recorded May 10, 2024

Summary

Transcript for Office Hours - Looking at the Factory pattern, Erlang state machines, and the Trading Process

Title: Exploring Factory Pattern, Erlang State Machines, and Trading Processes with Dwarves Foundation

00:03 Factory pattern and its details

10:55 The Factory pattern simplifies the product creation process for customers.

18:26 Factory method allows for separate initialization and logic of each product.

21:29 Advantages and disadvantages of the Factory pattern discussed.

28:12 Understanding the difference between Factory and builder pattern in object initialization

31:58 Understanding the Factory pattern and its variations

38:55 Discussion on combining Factory pattern with builder prototype

41:32 Minh is taking on additional responsibilities and moving up within the team structure.

47:15 Exploring optimization opportunities in the trading process

50:14 Optimizing trading processes for profit maximization

56:02 Automating stock position resizing and management using a bot

59:10 Utilizing platforms like Fly for efficient application deployment

1:05:15 Introduction to the Erlang state machine

1:08:48 Understanding the state transitions in the trading process

1:13:22 Exploring the Factory pattern and Erlang state machines

1:15:48 Implementing state machines in the system

1:21:09 Implementing the Factory Pattern in Erlang state machines

1:23:58 Managing server errors and data retrieval in Erlang state machines

1:28:54 Discussion on implementing a regular state machine and utilizing Erlang state machines.

1:31:28 Erlang state machine design and macro feature benefits

1:35:57 Exploring the benefits of implementing Erlang state machines in the process flow.

1:38:43 Discussing the Factory pattern, Erlang state machines, and the Trading Process.

1:46:14 Overview of g is prot and the anh side

Transcript

The transcript formatting and language accuracy is a WIP, so it might look a little weird. This will be improved in later iterations.

Detailed Summary for Office Hours - Looking at the Factory pattern, Erlang state machines, and the Trading Process

00:03 Factory pattern and its details

Explaining the problem the Factory pattern solves and its solution
Discussing the concept structure, practical application, advantages, and disadvantages

10:55 The Factory pattern simplifies the product creation process for customers.

The pattern involves a customer expressing their drink preferences to a bartender, who customizes or suggests a drink based on the preferences.
The Factory method is a type of design pattern that simplifies the initialization of objects by providing a common interface.

18:26 Factory method allows for separate initialization and logic of each product.

The factory method is used when the application doesn’t know in advance what type of object it will work with.
It is beneficial for situations where runtime conditions determine object type initialization.

21:29 Advantages and disadvantages of the Factory pattern discussed.

Advantages include easy code readability and separation of logic. Disadvantages involve increased complexity and code size.

28:12 Understanding the difference between Factory and builder pattern in object initialization

Factory pattern simplifies object initialization using inherited functions, while builder pattern involves defining and implementing steps for object creation.
Builder pattern allows for creating objects with different steps, ensuring flexibility and customization in object construction.

31:58 Understanding the Factory pattern and its variations

The Factory pattern involves using an interface to create objects
There is also the abstract Factory pattern for creating related sets of products

38:55 Discussion on combining Factory pattern with builder prototype

The team discussed the implementation of Factory pattern with builder prototype
Considered ease of prototyping with Singleton pattern in Singapore

41:32 Minh is taking on additional responsibilities and moving up within the team structure.

Minh started as Junior PM, gaining more insight into team operations.
Minh is progressing towards a role as a second assistant, related to management and project management.

47:15 Exploring optimization opportunities in the trading process

Discussing the recurring tasks in the trade process such as deposits and checks
Implementing optimizations through automation and custom indicators

50:14 Optimizing trading processes for profit maximization

Utilizing specific triggers on Binance for efficient trading analysis and decision-making
Notifying and capitalizing on favorable exchange rates during specific timeframes

56:02 Automating stock position resizing and management using a bot

Creating a bot called ‘distribute Anf’ to resize stock positions
Utilizing Roxim to handle requests and automate stock management

59:10 Utilizing platforms like Fly for efficient application deployment

It automates processes to save time and focus on key tasks like stock management.
Fly platform offers simple deployment solutions for applications like Telegram or Discord.

1:05:15 Introduction to the Erlang state machine

The Erlang state machine consists of three states: closed, open, and half-open, resembling a circuit breaker.
It is used to handle requests and prevent server downtime with its different states.

1:08:48 Understanding the state transitions in the trading process

Explaining how server status affects communication with other parties.
Detailing the circuit breaker’s role in managing connections and events.

1:13:22 Exploring the Factory pattern and Erlang state machines

The Factory pattern focuses on data structures in each function
Erlang state machines manage processes like user registration with multiple states

1:15:48 Implementing state machines in the system

The process involves three stages and three actions
The demo part discusses different versions and implementation details

1:21:09 Implementing the Factory Pattern in Erlang state machines

Discussing the process of re-attaching libraries and handling input functions.
Exploring the simplification of logic through the use of Grapper in implementation.

1:23:58 Managing server errors and data retrieval in Erlang state machines

Dividing processing logic into smaller parts for easy scalability and code maintenance
Utilizing state transitions and error management functions in Erlang for efficient process handling

1:28:54 Discussion on implementing a regular state machine and utilizing Erlang state machines.

Explanation on using Erlang state machines and the support from the Standard Library side.
Discussion on the underlying nature of how it runs and the complexity of implementation.

1:31:28 Erlang state machine design and macro feature benefits

Erlang state machine design includes using macros that generate code during the process of using it, making it convenient and efficient.
Working with the Lan side and the macro feature provides cost-effective processes, supporting different languages and minimizing resource usage.

1:35:57 Exploring the benefits of implementing Erlang state machines in the process flow.

Understanding the importance of data and functions in Erlang state management.
Exploring the structure of OTP in managing states and processes.

1:38:43 Discussing the Factory pattern, Erlang state machines, and the Trading Process.

Ways of managing code logic with OTP, FSM, and GenServer in Erlang.
Exploring the transition from a gen server to a state machine for enhanced error handling.

1:46:14 Overview of g is prot and the anh side

Discussion on Erlang state machines and their role in the trading process
Exploration of the Factory pattern and its significance in system design.

Vietnamese version

Short Summary for Office Hours 6 - Looking at the Factory pattern, Erlang state machines, and the Trading Process

00:03 Mẫu nhà máy và các chi tiết của nó

10:55 Mẫu Factory đơn giản hóa quá trình tạo sản phẩm cho khách hàng.

18:26 Phương thức xuất xưởng cho phép khởi tạo và logic riêng biệt của từng sản phẩm.

21:29 Những ưu điểm và nhược điểm của mẫu Factory đã được thảo luận.

28:12 Hiểu sự khác biệt giữa mẫu Factory và mẫu trình xây dựng trong quá trình khởi tạo đối tượng

31:58 Tìm hiểu mẫu Nhà máy và các biến thể của nó

38:55 Thảo luận về việc kết hợp mẫu Factory với nguyên mẫu của trình xây dựng

41:32 Minh đang đảm nhận thêm trách nhiệm và thăng tiến trong cơ cấu nhóm.

47:15 Khám phá các cơ hội tối ưu hóa trong quá trình giao dịch

50:14 Tối ưu hóa quy trình giao dịch để tối đa hóa lợi nhuận

56:02 Tự động thay đổi kích thước và quản lý vị trí cổ phiếu bằng bot

59:10 Sử dụng các nền tảng như Fly để triển khai ứng dụng hiệu quả

1:05:15 Giới thiệu về máy trạng thái Erlang

1:08:48 Hiểu sự chuyển đổi trạng thái trong quá trình giao dịch

1:13:22 Khám phá mẫu Factory và máy trạng thái Erlang

1:15:48 Triển khai các máy trạng thái trong hệ thống

1:21:09 Triển khai Factory Pattern trong máy trạng thái Erlang

1:23:58 Quản lý lỗi máy chủ và truy xuất dữ liệu trong máy trạng thái Erlang

1:28:54 Thảo luận về việc triển khai máy trạng thái thông thường và sử dụng máy trạng thái Erlang.

1:31:28 Thiết kế máy trạng thái Erlang và các lợi ích của tính năng macro

1:35:57 Khám phá lợi ích của việc triển khai máy trạng thái Erlang trong quy trình.

1:38:43 Thảo luận về mô hình Nhà máy, máy trạng thái Erlang và Quy trình giao dịch.

1:46:14 Tổng quan chung về Erlang

Detailed Summary for Office Hours 6 - Looking at the Factory pattern, Erlang state machines, and the Trading Process