BulkByScrollResponse response = DeleteByQueryAction.INSTANCE.newRequestBuilder(client)
// 根据条件个数添加filter语句
    .filter(QueryBuilders.matchQuery("gender", "male")) 
    .filter(QueryBuilders.matchQuery("age", "18"))
    .source("persons")                                  
    .get();                                             
long deleted = response.getDeleted();