implement elasticsearch filter in java

1//QUERY IN ES
2{
3  "size": 100, //default 10
4  "from": 0, //default 0
5  "query":
6   {
7    "match_all": {}
8   },
9   "filter" : {
10        "term" : { 
11            "activated" : "true" 
12        }
13    }
14}  
15
16
17//QUERY IN JAVA
18FilteredQueryBuilder builder = 
19 QueryBuilders.filteredQuery(QueryBuilders.termQuery("test", 
20 "test"),FilterBuilders.termFilter("key","value"));

1FilteredQueryBuilder builder = QueryBuilders.filteredQuery(QueryBuilders.matchAllQuery(),
2   FilterBuilders.termFilter("username","stackoverflow"));