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scala-dynamodb-mapper's Introduction

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scala-dynamodb-mapper

Simple framework for mapping between Scala classes and Amazon DynamoDB tables. Wrapper around awscala

What does it do?

  • Provides method for putting objects straight into DynamoDB
  • Provides method for retrieving sequence of objects from DynamoDB
  • Provides built-it mapping for basic Scala types and Java DateTime API
  • Allows you to write mappers for your own classes
  • Allows you to declare attributes as non-required and map them to Option[T]
  • Allows you to query tables using both local and global secondary indexes
  • Provides simple DSL for queries

What it doesn't do?

  • Doesn't allow you to project query and get only selected attributes. It's only meant to be a mapper between database and a class
  • Doesn't provide a query cache

How to install it? / How to use it?

All examples can be found on wiki, in Getting Started section.

How to contribute?

  • Identify missing feature or bug to fix
  • Create feature branch to work on. It is the best idea to choose develop as source branch, to avoid problems with merge.
  • Apply your changes and push it
  • Create pull request against develop branch, and wait for comments/approve

scala-dynamodb-mapper's People

Contributors

mkorman9 avatar

Stargazers

avatar Graham Crowell avatar Mateusz Korzeniowski avatar Trevor Allred avatar avatar

Watchers

James Cloos avatar avatar Henry Tang avatar avatar

Forkers

trevorallred backingwu dkaye-bef0

scala-dynamodb-mapper's Issues

does it support the case class attributes are also case class?

hello. I came across to this library and thinking it might help me in my work. but i have a question:
so instead of the case class model Cat, what if my customized case class is something like:
case class AAA(x: Oldid, y: NewId, z: TxnInput, h: NonTxnInput)
whereas Oldid, NewId, TxnInput, NonTxnInput are also case classes that i hv defined. how does this mapper can work with this scenario?
looking forward your reply. thank you!

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