actorplugin

Class StockQuotePlugin

Object

actorplugin.StockQuotePlugin

All Implemented Interfaces:

ActorPlugin

public class StockQuotePlugin
extends Object
implements ActorPlugin

Interfaces with a separate quantity-displaying bar on the screen.

See Also:

QuantityBarPlugin

Field Summary

Fields

Modifier and Type	Field and Description
private boolean	alreadyWarned
private EditFrame	owner
private String	pattern
private String	urlString

Constructor Summary

Constructors

Constructor and Description
StockQuotePlugin()

Method Summary

Modifier and Type	Method and Description
ArrayList	getPluginActorAttributes()
ArrayList	getPluginActorInputConceptList() Assumption about input and output vectors is that inputs are numbered 1..n and outputs are numbered n+1 ..
String	getPluginActorName() Gives the value "stockquote" for this actor.
ArrayList	getPluginActorOutputConceptList() Assumption about input and output vectors is that inputs are numbered 1..n and outputs are numbered n+1 ..
private float	getQuote(String tickerSymbol)
String	getSourceInfo()
void	performActorOperation(GraphUpdater dummy, ArrayList inputs, ArrayList outputs) Perform the actor's function.
void	stopActor() Perform any clean-up required by the actor when it is deleted or its graph is de-activated.

Methods inherited from class Object

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

Field Detail

urlString

private String urlString

pattern

private String pattern

alreadyWarned

private boolean alreadyWarned

owner

private EditFrame owner

Constructor Detail

StockQuotePlugin

public StockQuotePlugin()

Method Detail

getPluginActorName

public String getPluginActorName()

Gives the value "stockquote" for this actor.

Specified by:

getPluginActorName in interface ActorPlugin

Returns:

Name by which the actor will be known throughout the system

getPluginActorInputConceptList

public ArrayList getPluginActorInputConceptList()

Assumption about input and output vectors is that inputs are numbered 1..n and outputs are numbered n+1 .. m.

Specified by:

getPluginActorInputConceptList in interface ActorPlugin

Returns:

List of input concepts (or graphs), each with a constraining type (or "T" )

getPluginActorOutputConceptList

public ArrayList getPluginActorOutputConceptList()

Assumption about input and output vectors is that inputs are numbered 1..n and outputs are numbered n+1 .. m.

Specified by:

getPluginActorOutputConceptList in interface ActorPlugin

Returns:

List of output concepts (or graphs), each with a constraining type (or "T" )

getPluginActorAttributes

public ArrayList getPluginActorAttributes()

Specified by:

getPluginActorAttributes in interface ActorPlugin

Returns:

ArrayList of objects, usually in string form, indicating other actor constraints. Currently only "executable" and "commutative" are supported.

See Also:

GraphUpdater.GraphObjectAttributes

performActorOperation

public void performActorOperation(GraphUpdater dummy,
                                  ArrayList inputs,
                                  ArrayList outputs)
                           throws CGActorException

Perform the actor's function. Called by GraphUpdater when input or output concepts change.

Specified by:

performActorOperation in interface ActorPlugin

Parameters:

dummy - the current graph updater, in case the operation requires further updating

inputs - ArrayList of charger.obj.Concept

outputs - ArrayList of charger.obj.Concept, set by the operation and usable by the caller.

Throws:

CGActorException

getQuote

private float getQuote(String tickerSymbol)

stopActor

public void stopActor()

Perform any clean-up required by the actor when it is deleted or its graph is de-activated.

Specified by:

stopActor in interface ActorPlugin

getSourceInfo

public String getSourceInfo()

Specified by:

getSourceInfo in interface ActorPlugin

Returns:

a string identifying the author, version, and/or email address of this plugin