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/*
* Copyright 2013 Jesse Morgan
*/
package com.p4square.grow.model;
import org.apache.log4j.Logger;
/**
* This is the model of an assessment question's answer.
*
* @author Jesse Morgan <jesse@jesterpm.net>
*/
public class Answer {
private static final Logger LOG = Logger.getLogger(Answer.class);
/**
* ScoreType determines how the answer will be scored.
*
*/
public static enum ScoreType {
/**
* This question has no effect on the score.
*/
NONE,
/**
* The score of this question is part of the average.
*/
AVERAGE,
/**
* The score of this question is the total score, no other questions
* matter after this point.
*/
TRUMP;
@Override
public String toString() {
return name().toLowerCase();
}
}
private String mAnswerText;
private ScoreType mType;
private float mScoreFactor;
private String mNextQuestionId;
public Answer() {
mType = ScoreType.AVERAGE;
}
/**
* @return The text associated with the answer.
*/
public String getText() {
return mAnswerText;
}
/**
* Set the text associated with the answer.
* @param text The new text.
*/
public void setText(String text) {
mAnswerText = text;
}
/**
* @return the ScoreType for the Answer.
*/
public ScoreType getType() {
return mType;
}
/**
* Set the ScoreType for the answer.
* @param type The new ScoreType.
*/
public void setType(ScoreType type) {
mType = type;
}
/**
* @return the delta of the score if this answer is selected.
*/
public float getScore() {
if (mType == ScoreType.NONE) {
return 0;
}
return mScoreFactor;
}
/**
* Set the score delta for this answer.
* @param score The new delta.
*/
public void setScore(float score) {
mScoreFactor = score;
}
/**
* @return the id of the next question if this answer is selected, or null
* if selecting this answer has no effect.
*/
public String getNextQuestion() {
return mNextQuestionId;
}
/**
* Set the id of the next question when this answer is selected.
* @param id The next question id or null to proceed as usual.
*/
public void setNextQuestion(String id) {
mNextQuestionId = id;
}
/**
* Adjust the running score for the selection of this answer.
* @param score The running score to adjust.
* @return true if scoring should continue, false if this answer trumps all.
*/
public boolean score(final Score score) {
switch (getType()) {
case TRUMP:
score.sum = getScore();
score.count = 1;
return false; // Quit scoring.
case AVERAGE:
LOG.error("ScoreType.AVERAGE: { delta: \"" + getScore() + "\" }");
score.sum += getScore();
score.count++;
break;
case NONE:
break;
}
return true; // Continue scoring
}
}
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