/**
* 分词断句 输出句子形式
*
* @param text 待分词句子
* @return 句子列表，每个句子由一个单词列表组成
*/
public List <List <Term> > seg2sentence(String text)
{
List <List <Term> > resultList = new List <List <Term> >();
{
foreach (String sentence in SentencesUtil.toSentenceList(text))
{
resultList.Add(segSentence(sentence.ToCharArray()));
}
}
return(resultList);
}
/**
* 分词<br>
* 此方法是线程安全的
*
* @param text 待分词文本
* @return 单词列表
*/
public List <Term> seg(String text)
{
char[] charArray = text.ToCharArray();
if (HanLP.Config.Normalization)
{
CharTable.normalization(charArray);
}
if (config.threadNumber > 1 && charArray.Length > 10000) // 小文本多线程没意义，反而变慢了
{
List <String> sentenceList = SentencesUtil.toSentenceList(charArray);
String[] sentenceArray = sentenceList.ToArray();
//noinspection unchecked
List <Term>[] termListArray = new List <Term> [sentenceArray.Length];
int per = sentenceArray.Length / config.threadNumber;
WorkThread[] threadArray = new WorkThread[config.threadNumber];
for (int i = 0; i < config.threadNumber - 1; ++i)
{
int from = i * per;
//threadArray[i] = new WorkThread(sentenceArray, termListArray, from, from + per);
//threadArray[i].start();
}
threadArray[config.threadNumber - 1] = new WorkThread(sentenceArray, termListArray, (config.threadNumber - 1) * per, sentenceArray.Length);
//threadArray[config.threadNumber - 1].start();
try
{
foreach (WorkThread thread in threadArray)
{
//thread.join();
}
}
catch (Exception e)
{
//logger.severe("线程同步异常：" + TextUtility.exceptionToString(e));
//return Collections.emptyList();
}
List <Term> termList = new List <Term>();
if (config.offset || config.indexMode) // 由于分割了句子，所以需要重新校正offset
{
int sentenceOffset = 0;
for (int i = 0; i < sentenceArray.Length; ++i)
{
foreach (Term term in termListArray[i])
{
term.offset += sentenceOffset;
termList.Add(term);
}
sentenceOffset += sentenceArray[i].Length;
}
}
else
{
foreach (List <Term> list in termListArray)
{
termList.AddRange(list);
}
}
return(termList);
}
// if (text.length() > 10000) // 针对大文本，先拆成句子，后分词，避免内存峰值太大
// {
// List<Term> termList = new LinkedList<Term>();
// if (config.offset || config.indexMode)
// {
// int sentenceOffset = 0;
// for (String sentence : SentencesUtil.toSentenceList(charArray))
// {
// List<Term> termOfSentence = segSentence(sentence.toCharArray());
// for (Term term : termOfSentence)
// {
// term.offset += sentenceOffset;
// termList.add(term);
// }
// sentenceOffset += sentence.length();
// }
// }
// else
// {
// for (String sentence : SentencesUtil.toSentenceList(charArray))
// {
// termList.addAll(segSentence(sentence.toCharArray()));
// }
// }
//
// return termList;
// }
return(segSentence(charArray));
}