64bf849cb14c6c378206ae1702d931137a3cf365,modules/elasticsearch/src/main/java/org/elasticsearch/index/query/MoreLikeThisQueryParser.java,MoreLikeThisQueryParser,parse,#QueryParseContext#,48
Before Change
throw new QueryParsingException(parseContext.index(), "more_like_this requires 'fields' to be specified");
}
mltQuery.setAnalyzer(parseContext.mapperService().searchAnalyzer());
return mltQuery;
}
}
After Change
MoreLikeThisQuery mltQuery = new MoreLikeThisQuery();
mltQuery.setMoreLikeFields(new String[]{AllFieldMapper.NAME});
mltQuery.setSimilarity(parseContext.searchSimilarity());
Analyzer analyzer = null;
XContentParser.Token token;
String currentFieldName = null;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token.isValue()) {
if ("like_text".equals(currentFieldName) || "likeText".equals(currentFieldName)) {
mltQuery.setLikeText(parser.text());
} else if ("min_term_freq".equals(currentFieldName) || "minTermFreq".equals(currentFieldName)) {
mltQuery.setMinTermFrequency(parser.intValue());
} else if ("max_query_terms".equals(currentFieldName) || "maxQueryTerms".equals(currentFieldName)) {
mltQuery.setMaxQueryTerms(parser.intValue());
} else if ("min_doc_freq".equals(currentFieldName) || "minDocFreq".equals(currentFieldName)) {
mltQuery.setMinDocFreq(parser.intValue());
} else if ("max_doc_freq".equals(currentFieldName) || "maxDocFreq".equals(currentFieldName)) {
mltQuery.setMaxDocFreq(parser.intValue());
} else if ("min_word_len".equals(currentFieldName) || "minWordLen".equals(currentFieldName)) {
mltQuery.setMinWordLen(parser.intValue());
} else if ("max_word_len".equals(currentFieldName) || "maxWordLen".equals(currentFieldName)) {
mltQuery.setMaxWordLen(parser.intValue());
} else if ("boost_terms".equals(currentFieldName) || "boostTerms".equals(currentFieldName)) {
mltQuery.setBoostTerms(true);
mltQuery.setBoostTermsFactor(parser.floatValue());
} else if ("percent_terms_to_match".equals(currentFieldName) || "percentTermsToMatch".equals(currentFieldName)) {
mltQuery.setPercentTermsToMatch(parser.floatValue());
} else if ("analyzer".equals(currentFieldName)) {
analyzer = parseContext.analysisService().analyzer(parser.text());
}
} else if (token == XContentParser.Token.START_ARRAY) {
if ("stop_words".equals(currentFieldName) || "stopWords".equals(currentFieldName)) {
Set<String> stopWords = Sets.newHashSet();
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
stopWords.add(parser.text());
}
mltQuery.setStopWords(stopWords);
} else if ("fields".equals(currentFieldName)) {
List<String> fields = Lists.newArrayList();
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
fields.add(parseContext.indexName(parser.text()));
}
mltQuery.setMoreLikeFields(fields.toArray(new String[fields.size()]));
}
}
}
if (mltQuery.getLikeText() == null) {
throw new QueryParsingException(parseContext.index(), "more_like_this requires 'like_text' to be specified");
}
if (mltQuery.getMoreLikeFields() == null || mltQuery.getMoreLikeFields().length == 0) {
throw new QueryParsingException(parseContext.index(), "more_like_this requires 'fields' to be specified");
}
if (analyzer == null) {
analyzer = parseContext.mapperService().searchAnalyzer();
}
mltQuery.setAnalyzer(analyzer);