edu.mit.sketch.system
Class BottomUpTemplateCreatorKS

java.lang.Object
  |
  +--edu.mit.sketch.system.KnowledgeSource
        |
        +--edu.mit.sketch.system.BottomUpTemplateCreatorKS

public class BottomUpTemplateCreatorKS

extends KnowledgeSource

Created: Sun Jan 6 14:55:02 2002
Copyright: Copyright (C) 2001 by MIT. All rights reserved.

Constructor Summary

BottomUpTemplateCreatorKS()

Method Summary

void	addModel(Template template)
protected Set	getTemplates(BBItemType type) Get the templates that can use the given type.
Collection	trigger(BBItemHandler items, Blackboard bb) A function which takes the new BBItems and the Blackboard itself and returns (in constant time, relative to the stuff on the BB) a collection of Scheduler Items which are the triggered knowledge sources.

Methods inherited from class edu.mit.sketch.system.KnowledgeSource

getName, getProcessType, hasProcessType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

BottomUpTemplateCreatorKS

public BottomUpTemplateCreatorKS()

Method Detail

trigger

public Collection trigger(BBItemHandler items,
                          Blackboard bb)

Description copied from class: KnowledgeSource

A function which takes the new BBItems and the Blackboard itself and returns (in constant time, relative to the stuff on the BB) a collection of Scheduler Items which are the triggered knowledge sources. The triggerent KSs must implement the function "process" which checks more throuroughly to see if its conditions are met, and if so makes the appropriate changes to the Blackboard.

Overrides:

trigger in class KnowledgeSource

getTemplates

protected Set getTemplates(BBItemType type)

Get the templates that can use the given type. It is careful to return copies of the templates so that we do not have undesirable side effects when filling them in.

Parameters:

type - The type of BBItem that is looking for a new home

Returns:

a Set of Templates that have slots of the given type

addModel

public void addModel(Template template)