elasticsearch java client to query a completion suggest v0.90.3

elasticsearch java completion suggest

String clusterName = "testcluster";
String indexName = "textindex";
String suggestionName = "suggestion";
NodeBuilder nodeBuilder = NodeBuilder.nodeBuilder().clusterName(clusterName).client(true);
Node node = nodeBuilder.node();
try {
    Client client = node.client();
    CompletionSuggestionBuilder completionSuggestionBuilder = new CompletionSuggestionBuilder(suggestionName);
    SuggestResponse suggestionRes = client.prepareSuggest(indexName).setSuggestText("tes").addSuggestion(completionSuggestionBuilder.field("suggest")).execute().actionGet();
    Suggest suggest = suggestionRes.getSuggest();
    Suggest.Suggestion suggestion = suggest.getSuggestion(suggestionName);
    Iterator<Entry> suggestionIterator = suggestion.iterator();
    while (suggestionIterator.hasNext()) {
        Entry entry = suggestionIterator.next();
        List<Entry.Option> options = entry.getOptions();
        for (Entry.Option option : options) {
            System.out.println(option.getText());
        }
    }
} finally {
    node.close();
}

mapping

{
  "testtype": {
    "properties": {
      "suggest": {
        "type": "completion"
      }
    }
  }
}

test data

{
  "suggest": [
    "test123",
    "test456",
    "nomatch"
  ]
}

test query

{
  "suggestion": {
    "text": "tes",
    "completion": {
      "field": "suggest"
    }
  }
}