# Fun.CQRS
[](https://travis-ci.org/fun-cqrs/fun-cqrs)
**Fun.CQRS** is a Scala library for building CQRS/ES application. It provides the basic blocks to build event driven aggregates with **Event Sourcing**.
**Fun.CQRS** provides a out-of-the-box `AkkaBackend` and a `InMemoryBackend` for testing. However, it's designed as such that other backend implementations are possible. For instance, an alternative Akka backend based on [Eventuate](https://github.com/RBMHTechnology/eventuate), a Slick backend or RxScala backend could be implementated and plugged in easily.
When using the `AkkaBackend`, Aggregates are immutable classes (case class) that live inside an `Actor`. You don't have to deal much with Akka and it's powerful abstractions, instead you concentrate in modeling your aggregate behavior and its protocol (`Commands` and `Events`). However you still need a minimal understanding of how Akka works and how to configure Akka Persistence to use your persistence plugin of choice.
That said, in **Fun.CQRS**, Aggregates are NOT Actors. The **Actor System** is used as a middleware to manage the aggregates, hold them in-memory, store events, recover aggregate state and generate read models through **Event Projections**
## Migration Guide to v1.0.0
As we progress with the v1.0.0 we update the [migration guide](https://github.com/fun-cqrs/fun-cqrs/blob/develop/migration-v1.0.0.md).
Please, make sure you follow all the instructions and broadly test your migrated project before using it with production data.
## Project artifact
The artifacts are published to Sonatype Repository. Simply add the following to your build.sbt.
```scala
libraryDependencies += "org.funcqrs" %% "fun-cqrs-akka" % "1.0.3"
```
If you want to hack **Fun.CQRS** and develop your own backend, you can import only the core module.
The core module does NOT include the Akka Backend.
```scala
libraryDependencies += "org.funcqrs" %% "fun-cqrs-core" % "1.0.3"
```
## Documentation
There is a sample application under fun-cqrs/samples/raffle (up-to-date).
You can also watch these two videos to better understand the philosophy behind Fun.CQRS.
[Devoxx 2015](https://www.youtube.com/watch?v=fQkKu4tTgCE) (2h45m)
[Scala Exchange 2015](https://skillsmatter.com/skillscasts/7047-building-a-cqrs-application-using-the-scala-type-system-and-akka) (45m)
Note that this two presentations contains code that have been refactored in the mean time. However, you will get a good picture of the available features by watching the videos.
## Contribution policy
Contributions via GitHub pull requests are gladly accepted from their original author. Along with any pull requests, please state that the contribution is your original work and that you license the work to the project under the project's open source license. Whether or not you state this explicitly, by submitting any copyrighted material via pull request, email, or other means you agree to license the material under the project's open source license and warrant that you have the legal authority to do so.
Fun.CQRS是一个ScalaCQRSES框架。它提供了使用事件溯源构建事件驱动聚合的基本块。___下载.zip
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Fun.CQRS是一个ScalaCQRSES框架。它提供了使用事件溯源构建事件驱动聚合的基本块。___下载.zip （109个子文件） 
CNAME 14B application.conf 2KB application.conf 2KB reference.conf 675B .scalafmt.conf 311B override.css 22B secring.gpg.enc 1KB pubring.gpg.enc 624B .gitignore 180B LICENSE 636B migration-v1.0.0.md 15KB aggregates.md 14KB roadmap-v1.0.0.md 6KB backends.md 4KB README.md 3KB index.md 3KB getting-started.md 1KB akka-backend.md 1KB query-side-tests.md 364B command-side-tests.md 364B advanced.md 361B projections.md 357B tutorial-toc.md 347B
sidebar_brand2x.png 68B navbar_brand.png 68B navbar_brande2x.png 68B sidebar_brand.png 68B build.properties 18B build.sbt 4KB microsites.sbt 1KB sonatype.sbt 866B plugins.sbt 587B repositories.sbt 47B version.sbt 40B reative-streams.sc 166B AggregateActor.scala 10KB AggregateActorRef.scala 7KB ProjectionMonitorActor.scala 7KB AggregateManager.scala 6KB Raffle.scala 5KB Projection.scala 5KB InMemoryTestSupport.scala 5KB ProjectionActor.scala 5KB ActionsTest.scala 5KB InMemoryBackend.scala 5KB Actions.scala 4KB PassivationStrategies.scala 4KB RaffleTest.scala 4KB TimeTracker.scala 4KB AggregateManagerTest.scala 4KB CommandTimeoutTest.scala 3KB Interpreter.scala 3KB CommandHandlers.scala 3KB AkkaBackend.scala 3KB ConfigReader.scala 3KB AkkaQueryProjectionTest.scala 3KB AkkaOffsetPersistenceStrategy.scala 3KB AppContext.scala 2KB AndThenProjectionTest.scala 2KB TestModel.scala 2KB Dependencies.scala 2KB package.scala 2KB TimeTrackerTest.scala 2KB ConfigReaderTest.scala 2KB InterpreterTest.scala 2KB IdentityInterpreter.scala 2KB OrElseProjectionTest.scala 2KB TryInterpreter.scala 2KB CommandHandlerInvoker.scala 2KB ProjectionConfig.scala 2KB OffsetPersistence.scala 1KB AsyncInterpreter.scala 1KB Api.scala 1KB AggregateMessageExtractors.scala 1KB RaffleViewProjection.scala 1KB AggregateRef.scala 1004B MainAkka.scala 992B AkkaBackendSupport.scala 962B package.scala 922B ProjectionFixture.scala 915B Backend.scala 815B MainInMemory.scala 781B InMemoryRepository.scala 718B RaffleView.scala 670B AggregateFactory.scala 634B RaffleEvents.scala 627B CommandException.scala 581B FailedFutures.scala 505B TagWriteEventAdapter.scala 489B ClassTagExtractor.scala 443B Types.scala 437B TaggingEventAdapter.scala 413B RaffleCommands.scala 386B BuildSettings.scala 373B package.scala 362B RaffleViewRepo.scala 287B AggregateConfig.scala 272B AggregateId.scala 246B Tag.scala 213B EventId.scala 194B共 109 条
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