Elasticsearch全文检索，高亮关键字

.setQuery(QueryBuilders.termQuery("PARAM_NAME", "a"))
{
"query": {
"term": {
"body.priority": "error"
}
},
"highlight" : {
        "fields" : {
            "*" : {}
        }
    }
}

.queryStringQuery("asdf"))
{
      "query" : {
        "query_string" : {
          "query" : "ERROR"
        }
      },
      "highlight" : {
        "fields" : {
          "*" : {}
        }
      }
}

{
  "query": {
    "query_string": {
      "query": "test"
    }
  },
  "highlight": {
    "require_field_match": false,
    "explain": true,
    "fields": {
      "*": {}
    }
  }
}

String query = "{\"query\": {\"query_string\": {\"query\": \"test\"}}}";
SearchRequestBuilder builder = client.prepareSearch("twitter").setTypes("tweet").setQuery(query) 
       .addHighlightedField("*")       
 .setHighlighterRequireFieldMatch(false)      
  .setSize(10);
SearchResponse response  = builder.execute().actionGet();