/**
* 单连续字窜（不带空格符）单Field查询分析
*
* @param field
* @param query
* @return
*/
public static Query parse(String field, String query) {
if (field == null) {
throw new IllegalArgumentException("parameter \"field\" is null");
}
if (query == null || "".equals(query.trim())) {
return new TermQuery(new Term(field));
}
// 从缓存中取出已经解析的query生产的TokenBranch
TokenBranch root = getCachedTokenBranch(query);
if (root != null) {
return optimizeQueries(root.toQueries(field));
} else {
// System.out.println(System.currentTimeMillis());
root = new TokenBranch(null);
// 对查询条件q进行分词
StringReader input = new StringReader(query.trim());
IKSegmentation ikSeg = new IKSegmentation(input, isMaxWordLength);
try {
for (Lexeme lexeme = ikSeg.next(); lexeme != null; lexeme = ikSeg.next()) {
// 处理词元分支
root.accept(lexeme);
}
} catch (IOException e) {
e.printStackTrace();
}
// 缓存解析结果的博弈树
cachedTokenBranch(query, root);
return optimizeQueries(root.toQueries(field));
}
}
public static List<String> parser(String content) {
System.out.println("--------------------- parser ----------- : " + content);
List<String> words = Lists.newArrayList();
IKSegmentation ikSeg = new IKSegmentation(new StringReader(content), true);
Lexeme l = null;
try {
while ((l = ikSeg.next()) != null) {
String word = l.getLexemeText();
int wordType = l.getLexemeType();
System.out.println(wordType + "->" + word);
if (wordType == 0 || wordType == 1) {
words.add(word);
}
}
} catch (IOException e) {
e.printStackTrace();
}
System.out.println("--------------------- parser ----------- : " + words);
return words;
}
