Release Notes 0.5 M2

Eventsourced is a library that adds scalable actor state persistence and at-least-once message delivery guarantees to Akka. Its relation to event-sourcing is described here.

Documentation

• Installation
• User guide
  • Contents
  • Overview (completely re-written)
  • First steps
  • Examples
• API docs
• Reference application

Repositories

• Releases repository
• Snapshots repository

Changes

Since version 0.5-M1.

Journals

• New journals (fully functional but not sufficiently tested yet for production use)
  • DynamoDB journal
  • HBase journal
  • MongoDB journal (using Casbah)
• Journal implementation support further extended
  • AsynchronousWriteReplaySupport. Support trait for journals that make concurrent, asynchronous writes to the storage backend. Usually implemented by journals that communicate with a distributed datastore.
  • SynchronousWriteReplaySupport. Support trait for journals that make sequential, synchronous writes to the storage backend. Mainly used with local storage backends that do not provide an asynchronous API.
• Bug fixes
  • Sequence-structured LevelDB journal recovery and replay don't work properly (#48)

Channels

• New reliable request-reply channel and usage example
• Reliable channel enhancements
  • Sender references are now persisted (#50)
  • Redelivery policy enhancements (#39)
• Reliable channel bug fixes
  • Redelivery counter of reliable channel not reset on confirmation (#45)
  • Restart counter of reliable channel not reset on successful delivery (#51)

Message

• timestamp field added and set by journal for input messages (#54)

Project

• Eventsourced is now a multi-module project (#29)
• Target JVM version set to 1.6 (#38)
• Upgrades
  • Scala 2.10.1
  • Akka 2.1.2
  • Journal.IO 1.3
  • leveldbjni 1.6

Contributors

• 2beaucoup (documentation fixes)
• Dmitry Kulikov (build enhancements, fix compiler warnings, code cleanup)
• Duncan DeVore (MongoDB journal)
• Scott Clasen (DynamoDB journal)
• Stig Brautaset (documentation fixes)

Many thanks to all contributors!