easy-elastic4j是基于elasticsearch java client封装的elasticsearch操作库,使用更简单方便
elasticsearch原生client api相对来说还是比较复杂的,大多数的api在实际的业务场景中可能用不到,easy-elastic4j只是封装了常见的操作,简化了使用难度,对初学者也非常友好.
//create elastic clientElasticClient elasticClient = ElasticClientFactory.create(R.CLUSTER_NAME, R.SERVER_ADDRESSES);//indexIndexObject indexObject = new IndexObject("1");indexObject.field("name", "wens");indexObject.field("age", 29);indexObject.field("height", 165.5f);indexObject.field("comment", "攻城狮");elasticClient.index(test_index, indexObject);//bluk indexList<IndexObject> list = new ArrayList<>();Random r = new Random();int count = r.nextInt(100);for (int i = 0; i < count; i++) {IndexObject indexObject = new IndexObject(String.valueOf(i));indexObject.field("name", "wens" + i);indexObject.field("age", r.nextInt(30));indexObject.field("height", 165 + r.nextFloat());indexObject.field("comment", "攻城狮" + i);list.add(indexObject);}elasticClient.index(test_index, list);//query for pagePage page = elasticClient.queryPage(new Query(test_index).eq("group", "coder").limit(0, 5).orderByAsc("name"));Assert.assertEquals(5, page.getItems().size());Assert.assertEquals(true, page.isMore());int id = 0;for (Map<String, Object> item : page.getItems()) {Assert.assertEquals(String.format("wens%05d", id++), item.get("name"));}//query geodouble lat = 23.131187;double lon = 113.257174;Query query = new Query(query_geo);query.nearby("location", lat, lon, 1000000);List<Map<String, Object>> list = elasticClient.queryList(query);double last = 0;for (Map<String, Object> item : list) {String location = (String) item.get("location");String[] point = location.split(",");double distance = GeoUtils.getDistance(lat, lon, Double.parseDouble(point[0]), Double.parseDouble(point[1]));Assert.assertEquals(true, last <= distance);System.out.println(item.get("name") + " " + location + " " + item.get("num") + " " + distance);}......