@Override
protected ShardSuggestResponse shardOperation(ShardSuggestRequest request)
throws ElasticsearchException {
IndexService indexService = indicesService.indexServiceSafe(request.shardId().getIndex());
IndexShard indexShard = indexService.shardSafe(request.shardId().id());
final Engine.Searcher searcher = indexShard.acquireSearcher("suggest");
ShardSuggestService shardSuggestService = indexShard.shardSuggestService();
shardSuggestService.preSuggest();
long startTime = System.nanoTime();
XContentParser parser = null;
try {
BytesReference suggest = request.suggest();
if (suggest != null && suggest.length() > 0) {
parser = XContentFactory.xContent(suggest).createParser(suggest);
if (parser.nextToken() != XContentParser.Token.START_OBJECT) {
throw new ElasticsearchIllegalArgumentException("suggest content missing");
}
final SuggestionSearchContext context =
suggestPhase
.parseElement()
.parseInternal(
parser,
indexService.mapperService(),
request.shardId().getIndex(),
request.shardId().id());
final Suggest result = suggestPhase.execute(context, searcher.reader());
return new ShardSuggestResponse(request.shardId(), result);
}
return new ShardSuggestResponse(request.shardId(), new Suggest());
} catch (Throwable ex) {
throw new ElasticsearchException("failed to execute suggest", ex);
} finally {
searcher.close();
if (parser != null) {
parser.close();
}
shardSuggestService.postSuggest(System.nanoTime() - startTime);
}
}
