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## com.beasys.commerce.foundation
Class StateMachine

    java.lang.Object
      com.beasys.commerce.foundation.StateMachine

All Implemented Interfaces
  BusinessSmartComponent, Workflow, Serializable

Direct Known Subclasses:
  PaymentWorkflow

Deprecated

    @Deprecated
    public class StateMachine

extends Object
implements Workflow

This is the reference implemenation of a Workflow object. It provides a simple implemenation based on a set of states and transitions.

See Also
  `Workflow`, Serialized Form

Field Summary
`protected State` | `currentState` Deprecated
`protected State` | `initialState` Deprecated
`protected TreeSet` | `states` Deprecated
`protected String` | `TRANSITION_KEY_TOKEN` Deprecated
`protected TreeMap` | `transitions` Deprecated

Constructor Summary
`StateMachine()` Deprecated Use WorkflowHome.create("com.beasys.commerce.foundation.StateMachine") to instantiate the workflow.

Method Summary
`protected void` | `addTransition(Transition t)` Deprecated
`String` | `doTransition(String transitionName)` Deprecated Given the name of the transition, perform the transition and return the new state.
`WorkflowContext` | `getContext()` Deprecated Get the context of the Workflow.
`String` | `getCurrentStateName()` Deprecated Get the name of the current state
`String` | `getInitialStateName()` Deprecated Get the name of the initial state
`String[]` | `getOutgoingTransitions(String state)` Deprecated Given the name of the state, return all transitions starting from that state
`String[]` | `getStateNames()` Deprecated Get all State names in an array of Strings.
`String[]` | `getTransitionNames()` Deprecated Get all transition names in an array of Strings.
`String` | `lookAheadTransition(String transition)` Deprecated Given the name of the transition, look ahead the transition and return the predicted new state.
`void` | `reset()` Deprecated Reset the current workflow state to the initial state
`void` | `setContext(WorkflowContext workflowContext)` Deprecated Set the new context for the underlying workflow engine.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### TRANSITION_KEY_TOKEN

    protected String TRANSITION_KEY_TOKEN

  Deprecated

### currentState

    protected State currentState

  Deprecated

### initialState

    protected State initialState

  Deprecated

### transitions

    protected TreeMap transitions

  Deprecated

### states

    protected TreeSet states

  Deprecated

Constructor Detail

### StateMachine

    public StateMachine()

  Deprecated
  Use WorkflowHome.create("com.beasys.commerce.foundation.StateMachine") to instantiate the workflow.

Method Detail

### doTransition

    public String doTransition(String transitionName)
                        throws IllegalWorkflowTransitionException

  Deprecated
  Given the name of the transition, perform the transition and return the new state. If transition is invalid for the current state of the state machine, throw IllegalWorkflowTransitionException

  Specified by:
    `doTransition` in interface `Workflow`
  Parameters
    `transition` - the name of the transition to be performed
  Returns
    new state.
  Throws
    `IllegalWorkflowTransitionException` - if the transition is invalid

### getContext

    public WorkflowContext getContext()

  Deprecated
  Get the context of the Workflow. This method should be used only by the classes that implement the Workflow interface.

  Specified by:
    `getContext` in interface `Workflow`
  Returns
    WorkflowContext

### getCurrentStateName

    public String getCurrentStateName()

  Deprecated
  Get the name of the current state

  Specified by:
    `getCurrentStateName` in interface `Workflow`
  Returns
    current state name

### getInitialStateName

    public String getInitialStateName()

  Deprecated
  Get the name of the initial state

  Specified by:
    `getInitialStateName` in interface `Workflow`
  Returns
    initial state name

### getStateNames

    public String[] getStateNames()

  Deprecated
  Get all State names in an array of Strings.

  Specified by:
    `getStateNames` in interface `Workflow`
  Returns
    String[] an array of Strings

### getTransitionNames

    public String[] getTransitionNames()

  Deprecated
  Get all transition names in an array of Strings.

  Specified by:
    `getTransitionNames` in interface `Workflow`
  Returns
    String[] an array of Strings

### lookAheadTransition

    public String lookAheadTransition(String transition)
                               throws IllegalWorkflowTransitionException

  Deprecated
  Given the name of the transition, look ahead the transition and return the predicted new state. If transition is invalid for the current state of the state machine, throw IllegalWorkflowTransitionException.

  Specified by:
    `lookAheadTransition` in interface `Workflow`
  Parameters
    `transition` - the name of the transition to be performed
  Returns
    predicted new state.
  Throws
    `IllegalWorkflowTransitionException` - if the transition is invalid

### getOutgoingTransitions

    public String[] getOutgoingTransitions(String state)
                                    throws IllegalWorkflowTransitionException

  Deprecated
  Given the name of the state, return all transitions starting from that state

  Specified by:
    `getOutgoingTransitions` in interface `Workflow`
  Parameters
    `state` - the name of the state
  Returns
    a String[] of transition names.
  Throws
    `IllegalWorkflowTransitionException` - if the transition is invalid

### reset

    public void reset()

  Deprecated
  Reset the current workflow state to the initial state

  Specified by:
    `reset` in interface `Workflow`

### setContext

    public void setContext(WorkflowContext workflowContext)

  Deprecated
  Set the new context for the underlying workflow engine. This method should be used only by the classes that implement the Workflow interface.

  Specified by:
    `setContext` in interface `Workflow`
  Parameters
    `WorkflowContext` - the new context for the underlying workflow engine.

### addTransition

    protected void addTransition(Transition t)

  Deprecated

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