Elasticsearch入门Demo（二）

1.向索引库添加json字符串

/**
* 添加索引:传入json字符串
*/
@Test
public void addIndex2()
{
String jsonStr = "{" + "\"userName\":\"张三\"," + "\"sendDate\":\"2017-11-30\"," + "\"msg\":\"你好李四\"" + "}";
IndexResponse response = client.prepareIndex("weixin", "tweet").setSource(jsonStr, XContentType.JSON).get();
logger.info("json索引名称:" + response.getIndex() + "\njson类型:" + response.getType() + "\njson文档ID:"
+ response.getId() + "\n当前实例json状态:" + response.status());

}

2.向索引库添加一个Map集合

/**
* 创建索引-传入Map对象
*/
@Test
public void addIndex3()
{
Map<String, Object> map = new HashMap<String, Object>();
map.put("userName", "张三");
map.put("sendDate", new Date());
map.put("msg", "你好李四");

IndexResponse response = client.prepareIndex("momo", "tweet").setSource(map).get();

logger.info("map索引名称:" + response.getIndex() + "\n map类型:" + response.getType() + "\n map文档ID:"
+ response.getId() + "\n当前实例map状态:" + response.status());

}

3.向索引库添加JsonObject

/**
* 传递json对象
*/
@Test
public void addIndex4()
{
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("userName", "张三");
jsonObject.addProperty("sendDate", "2017-11-23");
jsonObject.addProperty("msg", "你好李四");

IndexResponse response = client.prepareIndex("qq", "tweet").setSource(jsonObject, XContentType.JSON).get();

logger.info("jsonObject索引名称:" + response.getIndex() + "\n jsonObject类型:" + response.getType()
+ "\n jsonObject文档ID:" + response.getId() + "\n当前实例jsonObject状态:" + response.status());

}

4.从索引库获取数据

/**
* 从索引库获取数据
*/
@Test
public void getData1()
{
GetResponse getResponse = client.prepareGet("msg", "tweet", "1").get();
logger.info("索引库的数据:" + getResponse.getSourceAsString());

}

5.更新索引库数据

/**
* 更新索引库数据
*/
@Test
public void updateData()
{
JsonObject jsonObject = new JsonObject();

jsonObject.addProperty("userName", "王五");
jsonObject.addProperty("sendDate", "2008-08-08");
jsonObject.addProperty("msg", "你好,张三，好久不见");

UpdateResponse updateResponse = client.prepareUpdate("msg", "tweet", "1")
.setDoc(jsonObject.toString(), XContentType.JSON).get();

logger.info("updateResponse索引名称:" + updateResponse.getIndex() + "\n updateResponse类型:"
+ updateResponse.getType() + "\n updateResponse文档ID:" + updateResponse.getId()
+ "\n当前实例updateResponse状态:" + updateResponse.status());

}

6.删除索引库数据

/**
* 根据索引名称，类别，文档ID 删除索引库的数据
*/
@Test
public void deleteData()
{
DeleteResponse deleteResponse = client.prepareDelete("msg", "tweet", "1").get();

logger.info("deleteResponse索引名称:" + deleteResponse.getIndex() + "\n deleteResponse类型:"
+ deleteResponse.getType() + "\n deleteResponse文档ID:" + deleteResponse.getId()
+ "\n当前实例deleteResponse状态:" + deleteResponse.status());

}