Programming Patterns - Abstract Factory
Info
The Programming Patterns - Abstract Factory is a Script for MetaTrader 5 that many architectures start with factory method, then evolve to af, prototype, builder builder makes complex objects step-by-step. AF makes families of related products.
Usage
This tool is typically used for enhancing chart analysis and decision making.
Platform
This Script works exclusively on MetaTrader 5 (both build 600+ and newer versions).
Setup
Place the downloaded file in MQL5/Scripts folder via File ? Open Data Folder in MetaTrader 5.
How to Install and Use Programming Patterns - Abstract Factory
1. Installation: Move your script file into the MQL/Scripts directory and restart the platform.
2. Execution: Drag the script onto a chart; it will perform a one-time action, such as closing all open orders or clearing chart objects.
3. Editing: Use MetaEditor (F4) to modify code, click "Compile," and verify no errors appear in the terminal before running.
4. Removing: Scripts stop automatically, but you can remove them manually by right-clicking the chart and choosing "Remove Script."
Frequently Asked Questions
Q: How are scripts different from EAs? A: Scripts execute a single action and then stop; EAs monitor the market and trade continuously.
Q: Can I assign a hotkey to a script? A: Yes, right-click the script in the Navigator, select "Set Hotkey," and define your preferred keyboard shortcut.
Q: Why did my script stop? A: Scripts are designed to stop immediately after finishing their programmed command; this is normal behavior.
What this tool does
Many architectures start with Factory method, then evolve to AF, Prototype, Builder Builder makes complex objects step-by-step.
Typical Use Case
This Script excels in automated trading and technical analysis on MetaTrader 5.
Compatible Platform & Setup
This Script works on MetaTrader 5. Place the file in the MQL5/Scripts folder and restart the terminal.
Description & Settings
Related: Programming Patterns - Decorator - another powerful script for MetaTrader 5 traders.
Many architectures start with Factory method, then evolve to AF, Prototype, Builder
Also recommended: Programming Patterns - Strategy - similar script with strong performance on MetaTrader 5.
Builder makes complex objects step-by-step. AF makes families of related products. Builder returns the object after all steps are complete. AF returns its object at once.
AF classes are often made with Factory Method/Prototype
AF can be used instead of Facade to hide classes
AF and Bridge can be used together, if you have abstractions which will work only with some real classes.
AF, Builder, Prototype can be made with Singleton
You may also like: Programming Patterns - Observer - excellent alternative for script users on MetaTrader 5.
⚠ Limitations & Risk Warning
- This tool is provided for educational and testing purposes only.
- Past performance does not guarantee future results.
- Trading involves substantial risk of loss. Use on a demo account first.
- Results may vary depending on market conditions, broker, and settings.
- We recommend thorough backtesting and forward testing before using with real funds.