public CachedWordList GetCachedWordByPOSList(PartOfSpeech pos)
{
CachedWordList list = null;
_cachedWordByPOSLists.TryGetValue(pos, out list);
return(list);
}
public CachedWordList CacheWordByPOSList(PartOfSpeech pos, List <Word> words, float frequency)
{
CachedWordList l = new CachedWordList()
{
totalFrequency = frequency, words = words
};
_cachedWordByPOSLists.Add(pos, l);
return(l);
}
/// <summary>
/// Gets a list of all words of a specified part of speech.
/// First tries to retrieve a cached list of words of the part of speech.
/// If one does not exist, it is created and cached.
/// </summary>
/// <param name="pos">The part of speech the words in the list will have in commons.</param>
/// <returns>A list of words that all have the specified part of speech in common.</returns>
public CachedWordList GetWordListByPOS(PartOfSpeech pos)
{
CachedWordList wordListByPOS = cachedLists.GetCachedWordByPOSList(pos);
if (wordListByPOS == null)
{
List <Word> wordList = words.Where(wkvp => wkvp.Value.PoS == pos).Select(wkvp => wkvp.Value).ToList();
float frequency = wordList.Sum(w => w.Frequency);
wordListByPOS = cachedLists.CacheWordByPOSList(pos, wordList, frequency);
}
return(wordListByPOS);
}
/// <summary>
/// Gets a weighted random word by its part of speech
/// </summary>
/// <param name="pos">The part of speech of the random word</param>
/// <returns>A random word of the specified part of speech</returns>
public Word GetRandomWordByPOS(PartOfSpeech pos)
{
CachedWordList wordList = WordDictionary.Instance.GetWordListByPOS(pos);
return(GetWeightedRandomWordFromList(wordList.words, wordList.totalFrequency));
}