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PHP: From Model to Commit - the Short History of an Aggregate

on YouTube 47m
TalkinPolishat 4Developers 2020 · 2020-09-14..09-18· [software-architecture]

speaker

name:Mariusz Gil
website:https://bettersoftwaredesign.pl

resources

video:https://youtu.be/flq_tZH5xRM
slides:none on file

summary

Presentation examines the Aggregate pattern from Domain-Driven Design in a PHP context, following the process from modeling an aggregate to a working implementation. It compares several implementation variants, highlights problems that arise when violating DDD principles (notably boundaries and responsibilities per Eric Evans), and briefly discusses options for persisting the final design in a database.

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chapters (10)

  1. 0:00Introduction
  2. 3:37Library example and business rules
  3. 8:11First approach: loan modeling
  4. 15:35Concurrency access issues
  5. 20:10Second approach: library card as aggregate
  6. 26:54Aggregate pattern
  7. 33:15Business policies in aggregate
  8. 39:12Comparison of three approaches
  9. 41:17Four aggregate design principles
  10. 45:07Summary and next steps

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