org.activemath.studentmodel2
Class PropagationHelper

java.lang.Object
  org.activemath.studentmodel2.PropagationHelper

public class PropagationHelper
extends Object

Field Summary

protected static Category

log

Method Summary

Set<String>	getFors(String conceptId) Get the Set of directly dependent concepts for a given concept
static PropagationHelper	getInstance()
Set<String>	getPrerequisites(String conceptId) Get the prerequisites for a specific concept

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static Category log

Method Detail

getInstance

public static PropagationHelper getInstance()

getFors

public Set<String> getFors(String conceptId)

Get the Set of directly dependent concepts for a given concept

Parameters:

conceptId - - the mbaseId of the concept

Returns:

A Set of direct fors

getPrerequisites

public Set<String> getPrerequisites(String conceptId)

Get the prerequisites for a specific concept

Parameters:

conceptId -

Returns:

- The direct prerequisites to a concept