org.apache.commons.scxml.model
Class Assign

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

All Implemented Interfaces:

Serializable, NamespacePrefixesHolder, PathResolverHolder

public class Assign
extends Action
implements PathResolverHolder

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

See Also:

Serialized Form

Constructor Summary

Assign()
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 expr that will evaluate to the new value.
String	getLocation() Get the location for a previously defined XML data tree.
String	getName() Get the variable to be assigned a new value.
PathResolver	getPathResolver() Get the PathResolver.
String	getSrc() Get the source where the new XML instance for this location exists.
void	setExpr(String expr) Set the expr that will evaluate to the new value.
void	setLocation(String location) Set the location for a previously defined XML data tree.
void	setName(String name) Get the variable to be assigned a new value.
void	setPathResolver(PathResolver pathResolver) Set the PathResolver.
void	setSrc(String src) Set the source where the new XML instance for this location exists.

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

getNamespaces, getNamespacesKey, getParent, getParentState, getParentTransitionTarget, setNamespaces, setParent

Methods inherited from class java.lang.Object

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

Constructor Detail

Assign

public Assign()

Constructor.

Method Detail

getName

public String getName()

Get the variable to be assigned a new value.

Returns:

Returns the name.

setName

public void setName(String name)

Get the variable to be assigned a new value.

Parameters:

name - The name to set.

getExpr

public String getExpr()

Get the expr that will evaluate to the new value.

Returns:

Returns the expr.

setExpr

public void setExpr(String expr)

Set the expr that will evaluate to the new value.

Parameters:

expr - The expr to set.

getLocation

public String getLocation()

Get the location for a previously defined XML data tree.

Returns:

Returns the location.

setLocation

public void setLocation(String location)

Set the location for a previously defined XML data tree.

Parameters:

location - The location.

getSrc

public String getSrc()

Get the source where the new XML instance for this location exists.

Returns:

Returns the source.

setSrc

public void setSrc(String src)

Set the source where the new XML instance for this location exists.

Parameters:

src - The source.

getPathResolver

public PathResolver getPathResolver()

Get the PathResolver.

Specified by:

getPathResolver in interface PathResolverHolder

Returns:

Returns the pathResolver.

setPathResolver

public void setPathResolver(PathResolver pathResolver)

Set the PathResolver.

Specified by:

setPathResolver in interface PathResolverHolder

Parameters:

pathResolver - The pathResolver 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.