@ThreadSafe
public class TaskStateMachine
extends Object

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`abort()`
`void`	`addStateChangeListener(StateMachine.StateChangeListener<TaskState> stateChangeListener)`	Listener is always notified asynchronously using a dedicated notification thread pool so, care should be taken to avoid leaking `this` when adding a listener in a constructor.
`void`	`cancel()`
`void`	`failed(Throwable cause)`
`void`	`finished()`
`org.joda.time.DateTime`	`getCreatedTime()`
`LinkedBlockingQueue<Throwable>`	`getFailureCauses()`
`TaskState`	`getState()`
`com.google.common.util.concurrent.ListenableFuture<TaskState>`	`getStateChange(TaskState currentState)`
`TaskId`	`getTaskId()`
`String`	`toString()`
`void`	`transitionToFlushing()`

public TaskStateMachine(TaskId taskId,
                        Executor executor)

public org.joda.time.DateTime getCreatedTime()

public com.google.common.util.concurrent.ListenableFuture<TaskState> getStateChange(TaskState currentState)

public LinkedBlockingQueue<Throwable> getFailureCauses()

public void failed(Throwable cause)

addStateChangeListener
```
public void addStateChangeListener(StateMachine.StateChangeListener<TaskState> stateChangeListener)
```
Listener is always notified asynchronously using a dedicated notification thread pool so, care should be taken to avoid leaking this when adding a listener in a constructor. Additionally, it is possible notifications are observed out of order due to the asynchronous execution.

Class TaskStateMachine