32 lines
965 B
Markdown
32 lines
965 B
Markdown
---
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layout: pattern
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title: Abstract Document
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folder: abstract-document
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permalink: /patterns/abstract-document/
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pumlid: PSjB3eCm34NHhPG599vtDyQn85L-ifzX-p3lxEf8Twj3MXGDQvyJMFubChxpKN767gucSq07iinEjSNDOACVNvoAUZr6MWoe3QVE_WRnxZ0Mf38b-hkIGlurX_MyehS7
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categories: Structural
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tags:
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- Java
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- Difficulty-Intermediate
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---
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## Intent
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Achieve flexibility of untyped languages and keep the type-safety
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## Applicability
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Use the Abstract Document Pattern when
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* there is a need to add new properties on the fly
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* you want a flexible way to organize domain in tree like structure
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* you want more loosely coupled system
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## Credits
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* [Wikipedia: Abstract Document Pattern](https://en.wikipedia.org/wiki/Abstract_Document_Pattern)
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* [Martin Fowler: Dealing with properties](http://martinfowler.com/apsupp/properties.pdf) |