public void resetTypist(CharacterSource newTypist) {
CharacterSource oldTypist;
if (newTypist != null) newTypist.addCharacterListener(this);
oldTypist = typist.getAndSet(newTypist);
if (oldTypist != null) oldTypist.removeCharacterListener(this);
}
public void resetGenerator(CharacterSource newGenerator) {
/** 注意这个方法的算法更改逻辑 */
CharacterSource oldGenerator;
if (newGenerator != null) newGenerator.addCharacterListener(this);
oldGenerator = generator.getAndSet(newGenerator);
if (oldGenerator != null) oldGenerator.removeCharacterListener(this);
}