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## org.apache.commons.scxml.model
Class Action

    java.lang.Object
      org.apache.commons.scxml.model.Action

Direct Known Subclasses:
  Assign, Cancel, ElseIf, Exit, If, Log, Send, Var

public abstract class Action
extends Object

An abstract base class for executable elements in SCXML, such as <assign>, <log> etc.

Constructor Summary
`Action()` Constructor.

Method Summary
`abstract void` | `execute(EventDispatcher evtDispatcher, ErrorReporter errRep, SCInstance scInstance, org.apache.commons.logging.Log appLog, Collection derivedEvents)` Execute this action instance.
`Executable` | `getParent()` Get the Executable parent.
`State` | `getParentState()` Return the parent state.
`void` | `setParent(Executable parent)` Set the Executable parent.

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

Constructor Detail

### Action

    public Action()

  Constructor.

Method Detail

### getParent

    public final Executable getParent()

  Get the Executable parent.

  Returns:
    Returns the parent.

### setParent

    public final void setParent(Executable parent)

  Set the Executable parent.

  Parameters:
    `parent` - The parent to set.

### getParentState

    public final State getParentState()
                               throws ModelException

  Return the parent state.

  Returns:
    The parent State
  Throws:
    `ModelException` - For an unknown TransitionTarget subclass

### execute

    public abstract void execute(EventDispatcher evtDispatcher,
                                 ErrorReporter errRep,
                                 SCInstance scInstance,
                                 org.apache.commons.logging.Log appLog,
                                 Collection derivedEvents)
                          throws ModelException,
                                 SCXMLExpressionException

  Execute this action instance.

  Parameters:
    `evtDispatcher` - The EventDispatcher for this execution instance
    `errRep` - The ErrorReporter to broadcast any errors during execution.
    `scInstance` - The state machine execution instance information.
    `appLog` - The application Log.
    `derivedEvents` - The collection to which any internal events arising from the execution of this action must be added.
  Throws:
    `ModelException` - If the execution causes the model to enter a non-deterministic state.
    `SCXMLExpressionException` - If the execution involves trying to evaluate an expression which is malformed.

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Copyright © 2005-2006 The Apache Software Foundation. All Rights Reserved.