SOLID Principles

Description

The SOLID principles are the five commandments of object-oriented design, revered as inviolable. In practice, they are an arcane incantation that turns code into inscrutable scripture. They despise dependencies, worship extensibility, and become a trap that strangles its practitioners when taken too far. Theoretically flawless, they often serve as a cloak for bugs and the tinder for endless debates. And above all, strict adherence to these principles demands a willingness to endure code review martyrdom.

Definitions

• Single Responsibility: the dogma that a class must do exactly one thing, spawning an army of microservices for every feature.
• Open-Closed: the paradoxical ideal to be closed for modifications and open for extensions, like a door welded shut except for annexes.
• Liskov Substitution: a ritual in which derived classes must solemnly swear not to betray their base.
• Interface Segregation: the obsession with shrinking interfaces until clients are left lost in dozens of entryways.
• Dependency Inversion: the act of worshipping abstractions so fervently that concrete details vanish in the mist.
• High Cohesion: the cult of grouping similar methods together until nothing else fits.
• Low Coupling: the solitary pursuit of never touching another class, even for a handshake.
• Buildability: the elusive Holy Grail that in theory should always succeed but in practice demands virgin sacrifices.
• Extensibility: the magic to add new files endlessly with every request for change.
• Testability: the crucible in which test code multiplies and developer morale perishes.

Examples

• “Single Responsibility? So my class can only do one thing? Even logging needs its own class?”
• “Following Open-Closed just blew up our file count; now we have 200 subclasses.”
• “Liskov Substitution: we just pray derived classes don’t betray us at runtime.”
• “Interface Segregation: building interface hell since the dawn of OOP.”
• “Dependency Inversion reversed all dependencies until nobody knows who’s depending on whom.”
• “Commit count soared after SOLID; review feedback? A solid wall of red.”
• “This library is open-closed? We need to extend it to check if it’s closed. Genius.”
• “Spending 5x effort on SRP and getting it torn down in code review—classic.”
• “Too many interfaces, I can’t even tell what’s being implemented where.”
• “Dependency Inversion just moved the mystery of dependencies from code to config.”
• “Talking about Liskov Substitution always requires at least three coffees.”
• “SOLID Principles? First letter alone feels like an ancient curse.”
• “After SRP, everything ends up in a facade; congratulations on a new bottleneck.”
• “Every time someone says ‘I’ in ISP, my head bleeds.”
• “They say Open-Closed, but the class diagram scares me more than bugs.”
• “Dependency Inversion is just a myth; we still new up everything in production.”
• “Are SOLID zealots conspiring to generate infinite abstract bases?”
• “Open-Closed? More like Open-Fail: fix one thing, break three tests.”
• “The stricter we follow SRP, the more bugs seem to slip through somehow.”
• “SOLID Principles? By the time I finish reading the acronym, I’m exhausted.”

Narratives

• At the project kickoff, the team proselytized the SOLID principles, whispering sweet ideals, yet soon the file count soared into the four digits, turning the codebase into chaos.
• One night, a developer forsook sleep to honor Liskov Substitution, wandering lost in an abstract class forest.
• After rigorous Interface Segregation, dependencies looked pristine on paper, but clandestine cold wars erupted between classes.
• He pursued Single Responsibility so fervently that he mocked himself for microservices even for logging.
• The novice who learned Dependency Inversion lost all mentor dependencies and found himself adrift without a role.
• In their devotion to Open-Closed, the team generated a trigger hell that had them trembling at every extension.
• The moment they vowed to uphold SOLID, their code ceased being poetry and became an impenetrable code of law.
• Each time a reviewer pointed out a SOLID violation, a piece of the developer’s soul chipped away.
• At 3 PM, the team still argued over SRP infractions, their deadline drifting in the haze.
• They hunted for reasons the build failed, unaware the culprit was an infinite loop of abstract base classes.
• Worshipping Liskov, she dreamt of the day when all tests turned green, offering prayers to her code nightly.
• In mastering ISP, he became overwhelmed by interface proliferation, eventually unable to assign names.
• Witnessing file multiplication upon every extension, they christened the effect ‘SOLID bacteria.’
• Dependency Inversion sites became known as the ‘config swamp,’ a forbidden zone soaked in YAML.
• Their codebase was studded equally with SOLID commandments and mysterious bugs.
• A member dubbed SOLID ’the ancient grimoire,’ spending moonlit hours decrypting its runes.
• In their quest for elegant design, elegance itself became their greatest adversary.
• Theorists soaring beyond reality were yanked back by the gravity of production bugs.
• The high priest of SOLID declared code review the ultimate test of faith.
• In the end, the team quietly collapsed the hierarchy, valuing working software over rigid doctrines.

Related Terms

Aliases

• The Ten Commandments of Design
• OOP Incantations
• Class Chains of Doom
• Clean Code Cult
• Abstract Faith
• Holy Grail of Principles
• Dependency Dread
• SRP Lovers
• LSP Cult
• ISP Labyrinth
• OCP Brainwash
• SOLID Church
• Code Commandments
• Inheritance Inferno Gate
• Loose Coupling Prayer
• Cohesion Temple
• Abstract Cage
• Design Harassment
• Principle Prison
• Source Scripture

Synonyms

• Alchemy of Design
• Priest of Objects
• Judge of Principles
• Commander of Classes
• Explorer of Abstraction
• Hunter of Dependencies
• Guardian of Cohesion
• Runner of Coupling
• Heretic of Extension
• Rebel of Refactoring
• Ascetic of Inheritance
• Code Alchemist
• Ivory Tower Theorist
• Lost in Implementation
• Executor of Design
• Principle’s Advocate
• Arbiter of Interfaces
• Abstraction Explorer
• Inversionist
• Missionary of SOLID