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CHANGELOG.md

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TBStateMachine CHANGELOG

6.10.0

  • add TBSMStateMachineBuilder class to configure statemachines via json

6.9.0

  • add methods to subscribe and unsubscribe to notifications

6.8.0

  • add path scheme to locate states inside the hierarchy

6.7.3

  • minor code cleanup

6.7.2

  • add recursive cleanup for transition vertexes to prevent memory leaks

6.7.1

  • Break up cyclic references between states on deallocation of TBSMStateMachine
  • set parentVertex on states when setting states on TBSMParallelState
  • set parentVertex on states when setting states on TBSMSubState

6.7.0

  • Add preprocessor macro to enumerate statemachin events

6.6.0

  • Add convenience setter for states on and TBSMSubState TBSMParallelState

6.5.0

  • Posting notification when performing internal transitions

6.4.1

  • Minor internal refactorings

6.4.0

  • Improved log output

6.3.1

  • Fixed debug output when showing remaining events in queue

6.3.0

  • Added TBSMDebugger to DebugSupport subspec for clearer debug API

6.2.0

  • Additional debug output for remaining events in queue

6.1.2

  • Minor bugfixes

6.1.1

  • Minor bugfixes

6.1.0

  • Add asynchronous logging to DebugSupport to prevent logging from affecting performance measuring too much.

6.0.0

  • Remove parameters sourceState and targetState from handlers and notification user info to simplify API.

5.15.0

  • Cleanup interfaces for class methods. Using instancetype now.

5.12.0

  • Remove superfluous factory methods

5.11.0

  • Rework nullability by using audited regions

5.10.0

  • Add nullability annotations and generics for improved Swift compatibility to sub spec DebugSupport

5.9.0

  • Bugfixes

5.8.2

  • Bugfixes

5.8.1

  • Add nullability annotations and generics for improved Swift compatibility

5.8.0

  • Add convenience method scheduleEventNamed:data:

5.7.0

  • Add support for tvOS 9.0

5.6.0

  • changed payload from NSDictionary to id

5.5.0

  • add support for watchOS 2

5.4.2

  • general house keeping and cleanup
  • upadated documentation

5.4.1

  • using mach_time instead of CACurrentMediaTime for time measurement

5.4.0

  • added junction pseudo state

5.3.3

  • simplified debug support code

5.3.2

  • fixed a bug which caused a join transition to be triggered before all source transitions were performed

5.3.1

  • fixed a bug which caused a statemachine to perform a compound transition when the event handler's target was 'nil'

5.3.0

  • support for pseudo states
  • implementation of fork and join pseudo states
  • optional DebugSupport subspec for logging and performance measurements

5.2.1

  • minor fixes

5.2.0

  • improved error messages

5.1.0

  • thread safety increased
  • event scheduling is asynchronuous now
  • simplified notification generation
  • removed event deferral

5.0.0

  • clear separation between transition types external, local, internal when registering events
  • local transitions
  • added notifications for enter and exit handlers
  • remove option for concurrent queue in TBSMParallelState
  • renamed -registerEvent: to -addHandlerForEvent:
  • improved thread safety

4.4.0

  • made changes to TBSMStateMachine so TBSMState class and subtypes can be inherited

4.3.0

  • made concurrent queue in TBSMParallelState optional

4.2.0

  • states can register multiple event handlers for the same event, guard block decides which one gets executed

4.1.0

  • fixed bug which caused TBSMParallelState not to setup all sub machines when performing transition into one state machine
  • fixed a bug which caused events not to bubble up to super states when not being handled by a sub state
  • reworked event handling and state switching

4.0.1

  • corrected event deferral algorithm

4.0.0

  • corrected event deferral algorithm
  • changed event registration / deferral API

3.1.0

  • added internal transitions
  • added event deferral
  • removed method -unregisterEvent: from class TBSMState
  • renamed property states to stateMachines in class TBSMParallelState

3.0.4

  • re-added internal dispatch queue for TBSMParallelState

3.0.3

  • removed internal dispatch queues

3.0.2

  • removed log messages
  • code cleanup

3.0.1

  • removed method - (TBSMTransition *)handleEvent:(TBSMEvent *)event from TBSMNode protocol

3.0.0

  • changed class name to use prefix TBSM instead of TBStateMachine
  • added TBSMSubState which derives from TBSMState (formerly known as TBStateMachineState)

2.0.1

fixes

  • LCA handling was broken and resulted in a wrong execution sequence of exit - action - enter
  • corrected typos in CHANGELOG.md (this document)

2.0.0

enhanced state switching:

  • state machine can now switch from a substate of a sub state machine deep into another submachine. Implementation uses LCA (Least Common Ancestor) - algorithm

re-worked event handling:

  • events will be registered by setting target action and guard:
- (void)registerEvent:(TBStateMachineEvent *)event
               target:(id<TBStateMachineNode>)target
               action:(TBStateMachineActionBlock)action
                guard:(TBStateMachineGuardBlock)guard;
  • event processing follows RTC-model. The state machine will queue all events it receives until processing of the current event has finished

1.0.0

  • updated documentation
  • updated API

0.9.0

  • initial release