org.apache.commons.scxml.model
Class Var

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

All Implemented Interfaces:

Serializable, NamespacePrefixesHolder

public class Var
extends Action

The class in this SCXML object model that corresponds to the <var> SCXML element.

See Also:

Serialized Form

Constructor Summary

Var()
Constructor.

Method Summary

void	execute(EventDispatcher evtDispatcher, ErrorReporter errRep, SCInstance scInstance, org.apache.commons.logging.Log appLog, Collection derivedEvents) Execute this action instance.
String	getExpr() Get the expression that evaluates to the initial value of the variable.
String	getName() Get the name of the (new) variable.
void	setExpr(String expr) Set the expression that evaluates to the initial value of the variable.
void	setName(String name) Set the name of the (new) variable.

Methods inherited from class org.apache.commons.scxml.model.Action

getNamespaces, getNamespacesKey, getParent, getParentState, setNamespaces, setParent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Var

public Var()

Constructor.

Method Detail

getExpr

public final String getExpr()

Get the expression that evaluates to the initial value of the variable.

Returns:

String Returns the expr.

setExpr

public final void setExpr(String expr)

Set the expression that evaluates to the initial value of the variable.

Parameters:

expr - The expr to set.

getName

public final String getName()

Get the name of the (new) variable.

Returns:

String Returns the name.

setName

public final void setName(String name)

Set the name of the (new) variable.

Parameters:

name - The name to set.

execute

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

Execute this action instance.

Specified by:

execute in class Action

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.