org.activemath.studentmodel2
Class PersistenceHelper

java.lang.Object
  org.activemath.studentmodel2.PersistenceHelper

public class PersistenceHelper
extends Object

XStream based persistence for SLM

Nested Class Summary

class

PersistenceHelper.CognitiveProcessConverter We need this class to convert cognitive process constants correctly

Field Summary

protected static Category	log
protected static String	PERSISTENCE_VERSION

Constructor Summary

protected

PersistenceHelper()

Method Summary

static PersistenceHelper	getInstance()
AssessmentModel	loadModel(String userId) Load a model (including evidences and affective model).
StudentSimulator	loadSimulation(String simulationId)
void	storeSimulation(StudentSimulator sim)

Methods inherited from class java.lang.Object

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

Field Detail

PERSISTENCE_VERSION

protected static final String PERSISTENCE_VERSION

See Also:

Constant Field Values

log

protected static Category log

Constructor Detail

PersistenceHelper

protected PersistenceHelper()

Method Detail

getInstance

public static PersistenceHelper getInstance()

loadSimulation

public StudentSimulator loadSimulation(String simulationId)

storeSimulation

public void storeSimulation(StudentSimulator sim)

loadModel

public AssessmentModel loadModel(String userId)

Load a model (including evidences and affective model).

Returns:

Model, or null if none found.