Building a MongoDB App with Perl
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This document provides an overview of building an app using Perl and MongoDB. It discusses what MongoDB is and its key features. It describes the modules needed from CPAN to interface with MongoDB from Perl. It outlines the structure of a sample "Library" app to demonstrate CRUD operations on books, authors, and other entities. The document walks through building this app and interacting with MongoDB documents and collections. It provides resources to learn more about MongoDB and the MongoDB Perl API.
![MongoDB Documents
{
'title': 'Fellowship of the Ring, The',
'author': ObjectId("507ffbb1d94ccab2da652597"),
'language': 'English',
'genre': ['fantasy', 'adventure'],
'publication': {
'name': 'George Allen & Unwin',
'location': 'London',
'date': new Date('21 July 1954'),
}
}
Thursday, January 17, 13](https://image.slidesharecdn.com/buildapp-130117140314-phpapp01/85/Building-a-MongoDB-App-with-Perl-28-320.jpg)
![Building the Library
Remember the Genres?
{
'title': 'Fellowship of the Ring, The',
'author': ObjectId("507ffbb1d94ccab2da652597"),
'language': 'English',
'genre': ['fantasy', 'adventure'],
'publication': {
'name': 'George Allen & Unwin',
'location': 'London',
'date': new Date('21 July 1954'),
}
}
Thursday, January 17, 13](https://image.slidesharecdn.com/buildapp-130117140314-phpapp01/85/Building-a-MongoDB-App-with-Perl-40-320.jpg)
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Building a MongoDB App with Perl
- 1. Building Your App: Perl & MongoDB Mike Friedman (friedo) Perl Engineer & Evangelist, 10gen http://friedo.com Perl Oasis 2013 Thursday, January 17, 13
- 2. 10gen, the MongoDB Company http://www.10gen.com http://www.mongodb.org Thursday, January 17, 13
- 3. What is MongoDB? Thursday, January 17, 13
- 4. What is MongoDB? ✤ Document Oriented Database Thursday, January 17, 13
- 5. What is MongoDB? ✤ Document Oriented Database ✤ Open Source Thursday, January 17, 13
- 6. What is MongoDB? ✤ Document Oriented Database ✤ Open Source ✤ High Performance Thursday, January 17, 13
- 7. What is MongoDB? ✤ Document Oriented Database ✤ Open Source ✤ High Performance ✤ Horizontally Scalable Thursday, January 17, 13
- 8. What is MongoDB? ✤ Document Oriented Database ✤ Open Source ✤ High Performance ✤ Horizontally Scalable ✤ Full Featured Thursday, January 17, 13
- 9. What We Will Build: ✤ “Library” - A demo application ✤ Users ✤ Books ✤ Authors ✤ Publishers Thursday, January 17, 13
- 10. What We Will Need: Thursday, January 17, 13
- 11. What We Will Need: ✤ MongoDB ✤ http://www.mongodb.org/downloads Thursday, January 17, 13
- 12. What We Will Need: ✤ MongoDB ✤ http://www.mongodb.org/downloads ✤ CPAN Modules: ✤ https://metacpan.org/module/Mojolicious::Lite ✤ https://metacpan.org/module/MongoDB Thursday, January 17, 13
- 13. Inside the MongoDB CPAN Distribution Thursday, January 17, 13
- 14. Inside the MongoDB CPAN Distribution ✤ MongoDB::MongoClient Thursday, January 17, 13
- 15. Inside the MongoDB CPAN Distribution ✤ MongoDB::MongoClient ✤ new in version 0.502. Thursday, January 17, 13
- 16. Inside the MongoDB CPAN Distribution ✤ MongoDB::MongoClient ✤ new in version 0.502. ✤ “Safe” (write-acknowledged) by default Thursday, January 17, 13
- 17. Inside the MongoDB CPAN Distribution ✤ MongoDB::MongoClient ✤ new in version 0.502. ✤ “Safe” (write-acknowledged) by default ✤ Encapsulates connection and server info Thursday, January 17, 13
- 18. Inside the MongoDB CPAN Distribution Thursday, January 17, 13
- 19. Inside the MongoDB CPAN Distribution ✤ MongoDB::Database ✤ Represents a database (namespace) on the MongoDB server Thursday, January 17, 13
- 20. Inside the MongoDB CPAN Distribution ✤ MongoDB::Database ✤ Represents a database (namespace) on the MongoDB server ✤ MongoDB::Collection ✤ Represents a collection (table? kinda) in a database Thursday, January 17, 13
- 21. Inside the MongoDB CPAN Distribution ✤ MongoDB::Database ✤ Represents a database (namespace) on the MongoDB server ✤ MongoDB::Collection ✤ Represents a collection (table? kinda) in a database ✤ MongoDB::Cursor ✤ Retrieves documents (rows? kinda) from a collection Thursday, January 17, 13
- 22. MongoDB Documents Thursday, January 17, 13
- 23. MongoDB Documents ✤ Documents live in Collections Thursday, January 17, 13
- 24. MongoDB Documents ✤ Documents live in Collections ✤ Documents have no pre-defined schema Thursday, January 17, 13
- 25. MongoDB Documents ✤ Documents live in Collections ✤ Documents have no pre-defined schema ✤ Documents have key-value pairs, like Perl hashes Thursday, January 17, 13
- 26. MongoDB Documents ✤ Documents live in Collections ✤ Documents have no pre-defined schema ✤ Documents have key-value pairs, like Perl hashes ✤ Documents can have nested structure (arrays and other documents), like Perl hashes Thursday, January 17, 13
- 27. MongoDB Documents ✤ Documents live in Collections ✤ Documents have no pre-defined schema ✤ Documents have key-value pairs, like Perl hashes ✤ Documents can have nested structure (arrays and other documents), like Perl hashes ✤ Documents look something like JSON Thursday, January 17, 13
- 28. MongoDB Documents { 'title': 'Fellowship of the Ring, The', 'author': ObjectId("507ffbb1d94ccab2da652597"), 'language': 'English', 'genre': ['fantasy', 'adventure'], 'publication': { 'name': 'George Allen & Unwin', 'location': 'London', 'date': new Date('21 July 1954'), } } Thursday, January 17, 13
- 29. Class Delegation Structure Documents Thursday, January 17, 13
- 30. Class Delegation Structure Documents MongoDB::Cursor Thursday, January 17, 13
- 31. Class Delegation Structure Documents MongoDB::Cursor has() MongoDB::Collection Thursday, January 17, 13
- 32. Class Delegation Structure Documents MongoDB::Cursor has() MongoDB::Collection has() MongoDB::Database Thursday, January 17, 13
- 33. Class Delegation Structure Documents MongoDB::Cursor has() MongoDB::Collection has() MongoDB::Database has() MongoDB::MongoClient Thursday, January 17, 13
- 34. Class Delegation Structure Documents MongoDB::Cursor Application has() MongoDB::Collection has() MongoDB::Database has() MongoDB::MongoClient Thursday, January 17, 13
- 35. Let’s Build It! Thursday, January 17, 13
- 36. Building the Library Thursday, January 17, 13
- 37. Building the Library Thursday, January 17, 13
- 38. Building the Library Thursday, January 17, 13
- 39. Building the Library Thursday, January 17, 13
- 40. Building the Library Remember the Genres? { 'title': 'Fellowship of the Ring, The', 'author': ObjectId("507ffbb1d94ccab2da652597"), 'language': 'English', 'genre': ['fantasy', 'adventure'], 'publication': { 'name': 'George Allen & Unwin', 'location': 'London', 'date': new Date('21 July 1954'), } } Thursday, January 17, 13
- 41. Building the Library Thursday, January 17, 13
- 42. Building the Library Thursday, January 17, 13
- 43. Where to go from here? ✤ Learn more about MongoDB: ✤ http://docs.mongodb.org/manual/ ✤ Learn more about the MongoDB Perl API ✤ https://metacpan.org/module/MongoDB::Tutorial ✤ Hack on the Library demo app ✤ https://github.com/friedo/mongo-library ✤ Add/edit authors? ✤ Edit books? Thursday, January 17, 13
- 44. What’s on CPAN? ✤ ODM’s (Object Document Mappers) ✤ Like ORMs but simpler Thursday, January 17, 13
- 45. What’s on CPAN? ✤ Mongoose: ✤ Based on MongoMapper from Ruby. ✤ MongoDB Docs --> Moose objects. Thursday, January 17, 13
- 46. What’s on CPAN? ✤ MongoDBI ✤ Very Perlish ✤ Moose-like Syntax Thursday, January 17, 13
- 47. What’s on CPAN? ✤ MongoDB::Async ✤ Tracks upstream MongoDB Distribution ✤ Uses Coro and libev for asynchronous queries ✤ (Mostly) drop-in replacement for MongoDB driver Thursday, January 17, 13
- 48. Questions https://github.com/friedo/mongo-library http://docs.mongodb.org/manual/ MongoDB::Tutorial Thursday, January 17, 13