Version 0.6.1

Version 0.6.1 is a bug fix release of Orbit.

Bug Fixes

• Timers now work correctly with stateless workers.
• Stateless workers will now deactivate correctly.
• Having no storage extension now throws a descriptive error instead of a NullPointerException.

Version 0.6.0

Version 0.6.0 is a major feature release of Orbit.

New Features

• Streams are now available in Orbit
  • A system for developing asynchronous and event-based logic.
  • Find out more at the orbit docs.
• Handler Stack
  • Allows developers to replace/extend network internals of Orbit.
  • Configurable client-server/inter-server protocol, security etc.
• JAX-RS now supports tasks
  • Developers can return orbit tasks in JAX-RS handlers when using Orbit Web.
• Websocket Handler
• A basic handler to demonstrate the new handler stack.
• Allows RPCs over websockets.
• No security at present.

Improvements

• Metrics system now records actor count metrics.
• Shutdown procedure is now more reliable.
• Third-Party dependencies updated to latest stable versions.
• Messages to actors on the local stage no longer hit the network stack.
• Added some basic benchmarks to measure the performance of the actor framework.

Version 0.5.2

Version 0.5.2 is a bug fix release of Orbit.

Bug Fixes

• Persisting actor references in maps using JSON now works correctly.
• Persisting actor instances using JSON now correctly replaces them with a reference.

Improvements

• Orbit Web now supports JSON via JAX-RS by default.

Version 0.5.1

Version 0.5.1 is a minor Orbit release.

New Features

• PreferLocalPlacement annotation was added.
  • Allows developers to prefer that an actor is activated locally.
  • Allows developers to specify a percentage chance of local activation.
  • Local placement is not guaranteed, it is only a hint to the framework.
• Added consistent hash functionality to Hosting.
  • Helps developers write features which need to process large amounts of data across nodes.
  • Developers can check if the local node should process a given key.
• Builder class for Orbit Stage.
  • Much easier to create a stage for projects not using Orbit container.
• Sticky headers can now be set via Stage.

Improvements

• orbit-actors-core is now decoupled from orbit-agent-loader.
• Actor placement system cleaned up
  • Note: StatelessWorker behavior has changed. Placement is now random. Combine with PreferLocalPlacement for old behavior.
• Made some internals of the framework available to developers.
• Prefetching actor classes from Orbit Container when available.

Version 0.5.0

Version 0.5.0 is a major feature release of the Orbit framework.

New Features

• Event Sourced state
  • Actors can now use event sourcing for state.
  • Provided at the actor layer of the framework, no need to update state extensions.
  • See docs.
• Distributed Transactions
  • A fully distributed transaction system is now part of the framework.
  • Rollbacks, multi-actor transactions etc.
  • See docs.

Improvements

• Various improvements to metrics system
  • Initialization is now performed by the metrics module
  • MongoDB Metrics
  • JVM Metrics
• All third-party dependencies have been updated to the latest version

Bug Fixes

• Prevent duplication instantiation of extensions in some cases

Version 0.4.5

Version 0.4.5 is a minor bug fix release and is the final release in the 0.4.x line.

Fixes

• Async now correctly supports array local.
• Fixed an issue with the StatelessWorker test.

Version 0.4.4

Version 0.4.4 is a minor feature and maintenance release for Orbit.

Features/Improvements

• Introduced a storage provider for AWS DynamoDB.
• Messaging system now supports arbitrary headers for messages.
• Application can now define start order of components.
• Stage extensions are now retrieved from Orbit container.
• Introduced task context to hold task locals.
• Cluster peer can now be configured.
• Better handling/logging for exceptions which can't be serialized.

Fixes

• Fixed a serious issue where actor state would not always have completed reading before activation.
• Fixed accessibility of getRegistry so it's now longer leaked outside the metrics package.

Version 0.4.3

Version 0.4.3 is a minor feature and maintenance release for Orbit.

New Features

• Introduced Orbit Web/Jetty metrics integration (Thanks @FieldFlux).

Fixes

• Now correctly rejecting calls to Actor.getReference with actor implementation classes.
• Various JSON serialization fixes.

Improvements

• All third-party dependencies have been upgraded to latest stable versions.
• Restructured and upgraded maven plugin dependencies.

Version 0.4.2

Version 0.4.2 is a minor bugfix and stability release for Orbit.

Fixes

• Fixed a race condition in ClassPathSearch system.
• Fixed a race condition in actor descriptor system (Thanks @johnou).
• Correctly detect unmodifiable collections in cloning system (Thanks @johnou).

Improvements

• Actors can now accept generic parameters in states.
• REST Client now deals with Task<Void> return types.
• Hardened and improved cloning system (Thanks @johnou).
• Added setter to configure message timeout (Thanks @johnou).

Version 0.4.1

Version 0.4.1 is a minor bugfix and optimization release for Orbit.

Fixes

• Make Kryo access thread-safe.

Improvements

• orbit-all-docs is now pushed to maven central.
• Do not create cache on get.
• Removed sleeps in cache test.
• Various small code readability improvements.