es搜房实战
es搜房实战
简介
架构
spring boot + MySQL + JPA + KAFKA + ES + Security
地图找房：ES + 百度地图
流量统计分析：ELK=ES + logstash + kibana
图片上传：七牛云
免注册登录：阿里短信
目录图
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├── Application.java
│ ── base
│ ├── ApiDataTableResponse.java
│ ├── ApiResponse.java
│ ├── HouseOperation.java
│ ├── HouseSort.java
│ └── RentValueBlock.java
│ ── config
│ ├── ElasticSearchConfig.java
│ ├── JPAConfig.java
│ ├── RedisSessionConfig.java
│ ├── WebFileUploadConfig.java
│ ├── WebMvcConfig.java
│ └── WebSecurityConfig.java
│ ── entity
│ ├── House.java
│ ├── HouseDetail.java
│ ├── HousePicture.java
│ ├── HouseSubscribe.java
│ ├── HouseTag.java
│ ├── Role.java
│ ├── Subway.java
│ ├── SubwayStation.java
│ ├── SupportAddress.java
│ └── User.java
│ ── enums
│ ├── HouseStatus.java
│ └── HouseSubscribeStatus.java
│ ── repository
│ ├── HouseDetailRepository.java
│ ├── HousePictureRepository.java
│ ├── HouseRepository.java
│ ├── HouseSubscribeRespository.java
│ ├── HouseTagRepository.java
│ ├── RoleRepository.java
│ ├── SubwayRepository.java
│ ├── SubwayStationRepository.java
│ ├── SupportAddressRepository.java
│ └── UserRepository.java
│ ── security
│ ├── AuthFilter.java
│ ├── AuthProvider.java
│ ├── LoginAuthFailHandler.java
│ └── LoginUrlEntryPoint.java
│ ── service
│ ├── ISmsService.java
│ ├── IUserService.java
│ ├── ServiceMultiResult.java
│ ├── ServiceResult.java
│ ├── SmsServiceImpl.java
│ ├── house
│ │ ├── AddressServiceImpl.java
│ │ ├── HouseServiceImpl.java
│ │ ├── IAddressService.java
│ │ ├── IHouseService.java
│ │ ├── IQiNiuService.java
│ │ └── QiNiuServiceImpl.java
│ ├── search
│ │ ├── BaiduMapLocation.java
│ │ ├── HouseBucketDTO.java
│ │ ├── HouseIndexKey.java
│ │ ├── HouseIndexMessage.java
│ │ ├── HouseIndexTemplate.java
│ │ ├── HouseSuggest.java
│ │ ├── ISearchService.java
│ │ └── SearchServiceImpl.java
│ └── user
│ └── UserServiceImpl.java
│ ── task
│ └── ESMonitor.java
│ ── utils
│ └── LoginUserUtil.java
│ ── web
│ ── controller
│ ├── AppErrorController.java
│ ├── HomeController.java
│ ├── admin
│ │ └── AdminController.java
│ ├── house
│ │ └── HouseController.java
│ └── user
│ └── UserController.java
│ ── dto
│ ├── HouseDTO.java
│ ├── HouseDetailDTO.java
│ ├── HousePictureDTO.java
│ ├── HouseSubscribeDTO.java
│ ├── QiNiuPutRet.java
│ ├── SubwayDTO.java
│ ├── SubwayStationDTO.java
│ ├── SupportAddressDTO.java
│ └── UserDTO.java
│ └── form
│ ├── DatatableSearch.java
│ ├── HouseForm.java
│ ├── MapSearch.java
│ ├── PhotoForm.java
│ └── RentSearch.java
└── resources
├── application-dev.properties
├── application-online.properties
├── application-test.properties
├── application.properties
es配置
配置类
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import java.net.InetAddress;
import java.net.UnknownHostException;
import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.transport.client.PreBuiltTransportClient;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
/**
* Created by
*/
@Configuration
public class ElasticSearchConfig {
@Value("${elasticsearch.host}")
private String esHost;
@Value("${elasticsearch.port}")
private int esPort;
@Value("${elasticsearch.cluster.name}")
private String esName;
@Bean
public TransportClient esClient() throws UnknownHostException {
Settings settings = Settings.builder()
.put("cluster.name", this.esName)
// .put("cluster.name", "elasticsearch")
.put("client.transport.sniff", true)
.build();
InetSocketTransportAddress master = new InetSocketTransportAddress(
InetAddress.getByName(esHost), esPort
// InetAddress.getByName("10.99.207.76"), 8999
);
TransportClient client = new PreBuiltTransportClient(settings)
.addTransportAddress(master);
return client;
}
}
中文分词
常用的中文分词器有ik分词器
搜索引擎实现
索引关键词
定义一些查询的关键词HouseIndexKey
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package com.imooc.service.search;
/**
* 索引关键词统一定义
* Created by
*/
public class HouseIndexKey {
public static final String HOUSE_ID = "houseId";
public static final String TITLE = "title";
public static final String PRICE = "price";
public static final String AREA = "area";
public static final String CREATE_TIME = "createTime";
public static final String LAST_UPDATE_TIME = "lastUpdateTime";
public static final String CITY_EN_NAME = "cityEnName";
public static final String REGION_EN_NAME = "regionEnName";
public static final String DIRECTION = "direction";
public static final String DISTANCE_TO_SUBWAY = "distanceToSubway";
public static final String STREET = "street";
public static final String DISTRICT = "district";
public static final String DESCRIPTION = "description";
public static final String LAYOUT_DESC = "layoutDesc";
public static final String TRAFFIC = "traffic";
public static final String ROUND_SERVICE = "roundService";
public static final String RENT_WAY = "rentWay";
public static final String SUBWAY_LINE_NAME = "subwayLineName";
public static final String SUBWAY_STATION_NAME = "subwayStationName";
public static final String TAGS = "tags";
public static final String AGG_DISTRICT = "agg_district";
public static final String AGG_REGION = "agg_region";
}
索引结构设计
房屋搜索结构：house_index_mapping
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{
"settings": {
"number_of_replicas": 0,
"number_of_shards": 5,
"index.store.type": "niofs",
"index.query.default_field": "title",
"index.unassigned.node_left.delayed_timeout": "5m"
},
"mappings": {
"house": {
"dynamic": "strict",
"_all": {
"enabled": false
},
"properties": {
"houseId": {
"type": "long"
},
"title": {
"type": "text",
"index": "analyzed",
"analyzer": "ik_smart",
"search_analyzer": "ik_smart"
},
"price": {
"type": "integer"
},
"area": {
"type": "integer"
},
"createTime": {
"type": "date",
"format": "strict_date_optional_time||epoch_millis"
},
"lastUpdateTime": {
"type": "date",
"format": "strict_date_optional_time||epoch_millis"
},
"cityEnName": {
"type": "keyword"
},
"regionEnName": {
"type": "keyword"
},
"direction": {
"type": "integer"
},
"distanceToSubway": {
"type": "integer"
},
"subwayLineName": {
"type": "keyword"
},
"subwayStationName": {
"type": "keyword"
},
"tags": {
"type": "text"
},
"street": {
"type": "keyword"
},
"district": {
"type": "keyword"
},
"description": {
"type": "text",
"index": "analyzed",
"analyzer": "ik_smart",
"search_analyzer": "ik_smart"
},
"layoutDesc" : {
"type": "text",
"index": "analyzed",
"analyzer": "ik_smart",
"search_analyzer": "ik_smart"
},
"traffic": {
"type": "text",
"index": "analyzed",
"analyzer": "ik_smart",
"search_analyzer": "ik_smart"
},
"roundService": {
"type": "text",
"index": "analyzed",
"analyzer": "ik_smart",
"search_analyzer": "ik_smart"
},
"rentWay": {
"type": "integer"
},
"suggest": {
"type": "completion"
},
"location": {
"type": "geo_point"
}
}
}
}
}
对应类模板HouseIndexTemplate
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import java.util.Date;
import java.util.List;
/**
*
* 房屋搜索索引结构模板
* Created by
*/
public class HouseIndexTemplate {
private Long houseId;
private String title;
private int price;
private int area;
private Date createTime;
private Date lastUpdateTime;
private String cityEnName;
private String regionEnName;
private int direction;
private int distanceToSubway;
private String subwayLineName;
private String subwayStationName;
private String street;
private String district;
private String description;
private String layoutDesc;
private String traffic;
private String roundService;
private int rentWay;
private List<String> tags;
private List<HouseSuggest> suggest;
private BaiduMapLocation location;
}
搜索接口和实现
接口
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import java.util.List;
import com.imooc.service.ServiceMultiResult;
import com.imooc.service.ServiceResult;
import com.imooc.web.form.MapSearch;
import com.imooc.web.form.RentSearch;
/**
* 检索接口
* Created by
*/
public interface ISearchService {
/**
* 索引目标房源
* @param houseId
*/
void index(Long houseId);
/**
* 移除房源索引
* @param houseId
*/
void remove(Long houseId);
/**
* 查询房源接口
* @param rentSearch
* @return
*/
ServiceMultiResult<Long> query(RentSearch rentSearch);
/**
* 获取补全建议关键词
*/
ServiceResult<List<String>> suggest(String prefix);
/**
* 聚合特定小区的房间数
*/
ServiceResult<Long> aggregateDistrictHouse(String cityEnName, String regionEnName, String district);
/**
* 聚合城市数据
* @param cityEnName
* @return
*/
ServiceMultiResult<HouseBucketDTO> mapAggregate(String cityEnName);
/**
* 城市级别查询
* @return
*/
ServiceMultiResult<Long> mapQuery(String cityEnName, String orderBy,
String orderDirection, int start, int size);
/**
* 精确范围数据查询
* @param mapSearch
* @return
*/
ServiceMultiResult<Long> mapQuery(MapSearch mapSearch);
}
实现
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package com.imooc.service.search;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* Created by
*/
@Service
public class SearchServiceImpl implements ISearchService {
private static final Logger logger = LoggerFactory.getLogger(ISearchService.class);
private static final String INDEX_NAME = "xunwu";
private static final String INDEX_TYPE = "house";
private static final String INDEX_TOPIC = "house_build";
@Autowired
private HouseRepository houseRepository;
@Autowired
private HouseDetailRepository houseDetailRepository;
@Autowired
private HouseTagRepository tagRepository;
@Autowired
private SupportAddressRepository supportAddressRepository;
@Autowired
private IAddressService addressService;
@Autowired
private ModelMapper modelMapper;
@Autowired
private TransportClient esClient;
@Autowired
private ObjectMapper objectMapper;
@Autowired
private KafkaTemplate<String, String> kafkaTemplate;
//使用Kafka异步消费消息
@KafkaListener(topics = INDEX_TOPIC)
private void handleMessage(String content) {
try {
HouseIndexMessage message = objectMapper.readValue(content, HouseIndexMessage.class);
//策略模式，判断操作类型
switch (message.getOperation()) {
case HouseIndexMessage.INDEX:
this.createOrUpdateIndex(message);
break;
case HouseIndexMessage.REMOVE:
this.removeIndex(message);
break;
default:
logger.warn("Not support message content " + content);
break;
}
} catch (IOException e) {
logger.error("Cannot parse json for " + content, e);
}
}
//创建或更新索引
private void createOrUpdateIndex(HouseIndexMessage message) {
Long houseId = message.getHouseId();
House house = houseRepository.findOne(houseId);
if (house == null) {
logger.error("Index house {} dose not exist!", houseId);
this.index(houseId, message.getRetry() + 1);
return;
}
//创建房源es模板
HouseIndexTemplate indexTemplate = new HouseIndexTemplate();
modelMapper.map(house, indexTemplate);
HouseDetail detail = houseDetailRepository.findByHouseId(houseId);
if (detail == null) {
// TODO 异常情况
}
modelMapper.map(detail, indexTemplate);
SupportAddress city = supportAddressRepository.findByEnNameAndLevel(house.getCityEnName(), SupportAddress.Level.CITY.getValue());
SupportAddress region = supportAddressRepository.findByEnNameAndLevel(house.getRegionEnName(), SupportAddress.Level.REGION.getValue());
//拼接地址信息
String address = city.getCnName() + region.getCnName() + house.getStreet() + house.getDistrict() + detail.getDetailAddress();
ServiceResult<BaiduMapLocation> location = addressService.getBaiduMapLocation(city.getCnName(), address);
if (!location.isSuccess()) {
this.index(message.getHouseId(), message.getRetry() + 1);
return;
}
indexTemplate.setLocation(location.getResult());
//查询房源标签
List<HouseTag> tags = tagRepository.findAllByHouseId(houseId);
if (tags != null && !tags.isEmpty()) {
List<String> tagStrings = new ArrayList<>();
tags.forEach(houseTag -> tagStrings.add(houseTag.getName()));
indexTemplate.setTags(tagStrings);
}
//查询是否存在索引
SearchRequestBuilder requestBuilder = this.esClient.prepareSearch(INDEX_NAME).setTypes(INDEX_TYPE)
.setQuery(QueryBuilders.termQuery(HouseIndexKey.HOUSE_ID, houseId));
logger.debug(requestBuilder.toString());
SearchResponse searchResponse = requestBuilder.get();
//创建或者更新
boolean success;
long totalHit = searchResponse.getHits().getTotalHits();
if (totalHit == 0) {
success = create(indexTemplate);
} else if (totalHit == 1) {
String esId = searchResponse.getHits().getAt(0).getId();
success = update(esId, indexTemplate);
} else {
//若有多条数据，删除并重新创建
success = deleteAndCreate(totalHit, indexTemplate);
}
//上传百度LBS数据
ServiceResult serviceResult = addressService.lbsUpload(location.getResult(), house.getStreet() + house.getDistrict(),
city.getCnName() + region.getCnName() + house.getStreet() + house.getDistrict(),
message.getHouseId(), house.getPrice(), house.getArea());
if (!success || !serviceResult.isSuccess()) {
this.index(message.getHouseId(), message.getRetry() + 1);
} else {
logger.debug("Index success with house " + houseId);
}
}
//删除索引
private void removeIndex(HouseIndexMessage message) {
Long houseId = message.getHouseId();
DeleteByQueryRequestBuilder builder = DeleteByQueryAction.INSTANCE
.newRequestBuilder(esClient)
.filter(QueryBuilders.termQuery(HouseIndexKey.HOUSE_ID, houseId))
.source(INDEX_NAME);
logger.debug("Delete by query for house: " + builder);
BulkByScrollResponse response = builder.get();
long deleted = response.getDeleted();
logger.debug("Delete total " + deleted);
//删除百度LBS数据
ServiceResult serviceResult = addressService.removeLbs(houseId);
if (!serviceResult.isSuccess() || deleted <= 0) {
logger.warn("Did not remove data from es for response: " + response);
// 重新加入消息队列
this.remove(houseId, message.getRetry() + 1);
}
}
@Override
public void index(Long houseId) {
this.index(houseId, 0);
}
//创建es索引，带重试次数
private void index(Long houseId, int retry) {
if (retry > HouseIndexMessage.MAX_RETRY) {
logger.error("Retry index times over 3 for house: " + houseId + " Please check it!");
return;
}
HouseIndexMessage message = new HouseIndexMessage(houseId, HouseIndexMessage.INDEX, retry);
try {
//发送给Kafka进行异步创建
kafkaTemplate.send(INDEX_TOPIC, objectMapper.writeValueAsString(message));
} catch (JsonProcessingException e) {
logger.error("Json encode error for " + message);
}
}
//创建索引
private boolean create(HouseIndexTemplate indexTemplate) {
//更新搜索栏自动提示
if (!updateSuggest(indexTemplate)) {
return false;
}
try {
IndexResponse response = this.esClient.prepareIndex(INDEX_NAME, INDEX_TYPE)
.setSource(objectMapper.writeValueAsBytes(indexTemplate), XContentType.JSON).get();
logger.debug("Create index with house: " + indexTemplate.getHouseId());
if (response.status() == RestStatus.CREATED) {
return true;
} else {
return false;
}
} catch (JsonProcessingException e) {
logger.error("Error to index house " + indexTemplate.getHouseId(), e);
return false;
}
}
//更新索引
private boolean update(String esId, HouseIndexTemplate indexTemplate) {
if (!updateSuggest(indexTemplate)) {
return false;
}
try {
UpdateResponse response = this.esClient.prepareUpdate(INDEX_NAME, INDEX_TYPE, esId).setDoc(objectMapper.writeValueAsBytes(indexTemplate), XContentType.JSON).get();
logger.debug("Update index with house: " + indexTemplate.getHouseId());
if (response.status() == RestStatus.OK) {
return true;
} else {
return false;
}
} catch (JsonProcessingException e) {
logger.error("Error to index house " + indexTemplate.getHouseId(), e);
return false;
}
}
//删除并创建索引
private boolean deleteAndCreate(long totalHit, HouseIndexTemplate indexTemplate) {
DeleteByQueryRequestBuilder builder = DeleteByQueryAction.INSTANCE
.newRequestBuilder(esClient)
.filter(QueryBuilders.termQuery(HouseIndexKey.HOUSE_ID, indexTemplate.getHouseId()))
.source(INDEX_NAME);
logger.debug("Delete by query for house: " + builder);
BulkByScrollResponse response = builder.get();
long deleted = response.getDeleted();
if (deleted != totalHit) {
logger.warn("Need delete {}, but {} was deleted!", totalHit, deleted);
return false;
} else {
return create(indexTemplate);
}
}
@Override
public void remove(Long houseId) {
this.remove(houseId, 0);
}
//综合查询房源信息
@Override
public ServiceMultiResult<Long> query(RentSearch rentSearch) {
BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
//拼接查询参数
boolQuery.filter(
QueryBuilders.termQuery(HouseIndexKey.CITY_EN_NAME, rentSearch.getCityEnName())
);
if (rentSearch.getRegionEnName() != null && !"*".equals(rentSearch.getRegionEnName())) {
boolQuery.filter(
QueryBuilders.termQuery(HouseIndexKey.REGION_EN_NAME, rentSearch.getRegionEnName())
);
}
//面积区间筛选
RentValueBlock area = RentValueBlock.matchArea(rentSearch.getAreaBlock());
if (!RentValueBlock.ALL.equals(area)) {
RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery(HouseIndexKey.AREA);
if (area.getMax() > 0) {
rangeQueryBuilder.lte(area.getMax());
}
if (area.getMin() > 0) {
rangeQueryBuilder.gte(area.getMin());
}
boolQuery.filter(rangeQueryBuilder);
}
//价格区间筛选
RentValueBlock price = RentValueBlock.matchPrice(rentSearch.getPriceBlock());
if (!RentValueBlock.ALL.equals(price)) {
RangeQueryBuilder rangeQuery = QueryBuilders.rangeQuery(HouseIndexKey.PRICE);
if (price.getMax() > 0) {
rangeQuery.lte(price.getMax());
}
if (price.getMin() > 0) {
rangeQuery.gte(price.getMin());
}
boolQuery.filter(rangeQuery);
}
//朝向筛选
if (rentSearch.getDirection() > 0) {
boolQuery.filter(
QueryBuilders.termQuery(HouseIndexKey.DIRECTION, rentSearch.getDirection())
);
}
//租赁方式筛选
if (rentSearch.getRentWay() > -1) {
boolQuery.filter(
QueryBuilders.termQuery(HouseIndexKey.RENT_WAY, rentSearch.getRentWay())
);
}
// boolQuery.must(
// QueryBuilders.matchQuery(HouseIndexKey.TITLE, rentSearch.getKeywords())
// .boost(2.0f)
// );
boolQuery.must(
QueryBuilders.multiMatchQuery(rentSearch.getKeywords(),
HouseIndexKey.TITLE,
HouseIndexKey.TRAFFIC,
HouseIndexKey.DISTRICT,
HouseIndexKey.ROUND_SERVICE,
HouseIndexKey.SUBWAY_LINE_NAME,
HouseIndexKey.SUBWAY_STATION_NAME
));
SearchRequestBuilder requestBuilder = this.esClient.prepareSearch(INDEX_NAME)
.setTypes(INDEX_TYPE)
.setQuery(boolQuery)
.addSort(
HouseSort.getSortKey(rentSearch.getOrderBy()),
SortOrder.fromString(rentSearch.getOrderDirection())
)
.setFrom(rentSearch.getStart())
.setSize(rentSearch.getSize())
.setFetchSource(HouseIndexKey.HOUSE_ID, null);
logger.debug(requestBuilder.toString());
List<Long> houseIds = new ArrayList<>();
SearchResponse response = requestBuilder.get();
if (response.status() != RestStatus.OK) {
logger.warn("Search status is no ok for " + requestBuilder);
return new ServiceMultiResult<>(0, houseIds);
}
for (SearchHit hit : response.getHits()) {
System.out.println(hit.getSource());
houseIds.add(Longs.tryParse(String.valueOf(hit.getSource().get(HouseIndexKey.HOUSE_ID))));
}
return new ServiceMultiResult<>(response.getHits().totalHits, houseIds);
}
//搜索补全
@Override
public ServiceResult<List<String>> suggest(String prefix) {
CompletionSuggestionBuilder suggestion = SuggestBuilders.completionSuggestion("suggest").prefix(prefix).size(5);
SuggestBuilder suggestBuilder = new SuggestBuilder();
suggestBuilder.addSuggestion("autocomplete", suggestion);
SearchRequestBuilder requestBuilder = this.esClient.prepareSearch(INDEX_NAME)
.setTypes(INDEX_TYPE)
.suggest(suggestBuilder);
logger.debug(requestBuilder.toString());
SearchResponse response = requestBuilder.get();
Suggest suggest = response.getSuggest();
if (suggest == null) {
return ServiceResult.of(new ArrayList<>());
}
Suggest.Suggestion result = suggest.getSuggestion("autocomplete");
int maxSuggest = 0;
Set<String> suggestSet = new HashSet<>();
for (Object term : result.getEntries()) {
if (term instanceof CompletionSuggestion.Entry) {
CompletionSuggestion.Entry item = (CompletionSuggestion.Entry) term;
if (item.getOptions().isEmpty()) {
continue;
}
for (CompletionSuggestion.Entry.Option option : item.getOptions()) {
String tip = option.getText().string();
if (suggestSet.contains(tip)) {
continue;
}
suggestSet.add(tip);
maxSuggest++;
}
}
if (maxSuggest > 5) {
break;
}
}
List<String> suggests = Lists.newArrayList(suggestSet.toArray(new String[]{}));
return ServiceResult.of(suggests);
}
//聚合特定小区的房间数
@Override
public ServiceResult<Long> aggregateDistrictHouse(String cityEnName, String regionEnName, String district) {
BoolQueryBuilder boolQuery = QueryBuilders.boolQuery()
.filter(QueryBuilders.termQuery(HouseIndexKey.CITY_EN_NAME, cityEnName))
.filter(QueryBuilders.termQuery(HouseIndexKey.REGION_EN_NAME, regionEnName))
.filter(QueryBuilders.termQuery(HouseIndexKey.DISTRICT, district));
SearchRequestBuilder requestBuilder = this.esClient.prepareSearch(INDEX_NAME)
.setTypes(INDEX_TYPE)
.setQuery(boolQuery)
.addAggregation(
AggregationBuilders.terms(HouseIndexKey.AGG_DISTRICT)
.field(HouseIndexKey.DISTRICT)
).setSize(0);
logger.debug(requestBuilder.toString());
SearchResponse response = requestBuilder.get();
if (response.status() == RestStatus.OK) {
Terms terms = response.getAggregations().get(HouseIndexKey.AGG_DISTRICT);
if (terms.getBuckets() != null && !terms.getBuckets().isEmpty()) {
return ServiceResult.of(terms.getBucketByKey(district).getDocCount());
}
} else {
logger.warn("Failed to Aggregate for " + HouseIndexKey.AGG_DISTRICT);
}
return ServiceResult.of(0L);
}
//聚合城市数据
@Override
public ServiceMultiResult<HouseBucketDTO> mapAggregate(String cityEnName) {
BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
boolQuery.filter(QueryBuilders.termQuery(HouseIndexKey.CITY_EN_NAME, cityEnName));
AggregationBuilder aggBuilder = AggregationBuilders.terms(HouseIndexKey.AGG_REGION)
.field(HouseIndexKey.REGION_EN_NAME);
SearchRequestBuilder requestBuilder = this.esClient.prepareSearch(INDEX_NAME)
.setTypes(INDEX_TYPE)
.setQuery(boolQuery)
.addAggregation(aggBuilder);
logger.debug(requestBuilder.toString());
SearchResponse response = requestBuilder.get();
List<HouseBucketDTO> buckets = new ArrayList<>();
if (response.status() != RestStatus.OK) {
logger.warn("Aggregate status is not ok for " + requestBuilder);
return new ServiceMultiResult<>(0, buckets);
}
Terms terms = response.getAggregations().get(HouseIndexKey.AGG_REGION);
for (Terms.Bucket bucket : terms.getBuckets()) {
buckets.add(new HouseBucketDTO(bucket.getKeyAsString(), bucket.getDocCount()));
}
return new ServiceMultiResult<>(response.getHits().getTotalHits(), buckets);
}
//城市级别查询
@Override
public ServiceMultiResult<Long> mapQuery(String cityEnName, String orderBy,
String orderDirection,
int start,
int size) {
BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
boolQuery.filter(QueryBuilders.termQuery(HouseIndexKey.CITY_EN_NAME, cityEnName));
SearchRequestBuilder searchRequestBuilder = this.esClient.prepareSearch(INDEX_NAME)
.setTypes(INDEX_TYPE)
.setQuery(boolQuery)
.addSort(HouseSort.getSortKey(orderBy), SortOrder.fromString(orderDirection))
.setFrom(start)
.setSize(size);
List<Long> houseIds = new ArrayList<>();
SearchResponse response = searchRequestBuilder.get();
if (response.status() != RestStatus.OK) {
logger.warn("Search status is not ok for " + searchRequestBuilder);
return new ServiceMultiResult<>(0, houseIds);
}
for (SearchHit hit : response.getHits()) {
houseIds.add(Longs.tryParse(String.valueOf(hit.getSource().get(HouseIndexKey.HOUSE_ID))));
}
return new ServiceMultiResult<>(response.getHits().getTotalHits(), houseIds);
}
//精确范围数据查询
@Override
public ServiceMultiResult<Long> mapQuery(MapSearch mapSearch) {
BoolQueryBuilder boolQuery = QueryBuilders.boolQuery();
boolQuery.filter(QueryBuilders.termQuery(HouseIndexKey.CITY_EN_NAME, mapSearch.getCityEnName()));
boolQuery.filter(
QueryBuilders.geoBoundingBoxQuery("location")
.setCorners(
new GeoPoint(mapSearch.getLeftLatitude(), mapSearch.getLeftLongitude()),
new GeoPoint(mapSearch.getRightLatitude(), mapSearch.getRightLongitude())
));
SearchRequestBuilder builder = this.esClient.prepareSearch(INDEX_NAME)
.setTypes(INDEX_TYPE)
.setQuery(boolQuery)
.addSort(HouseSort.getSortKey(mapSearch.getOrderBy()),
SortOrder.fromString(mapSearch.getOrderDirection()))
.setFrom(mapSearch.getStart())
.setSize(mapSearch.getSize());
List<Long> houseIds = new ArrayList<>();
SearchResponse response = builder.get();
if (RestStatus.OK != response.status()) {
logger.warn("Search status is not ok for " + builder);
return new ServiceMultiResult<>(0, houseIds);
}
for (SearchHit hit : response.getHits()) {
houseIds.add(Longs.tryParse(String.valueOf(hit.getSource().get(HouseIndexKey.HOUSE_ID))));
}
return new ServiceMultiResult<>(response.getHits().getTotalHits(), houseIds);
}
private boolean updateSuggest(HouseIndexTemplate indexTemplate) {
AnalyzeRequestBuilder requestBuilder = new AnalyzeRequestBuilder(
this.esClient, AnalyzeAction.INSTANCE, INDEX_NAME, indexTemplate.getTitle(),
indexTemplate.getLayoutDesc(), indexTemplate.getRoundService(),
indexTemplate.getDescription(), indexTemplate.getSubwayLineName(),
indexTemplate.getSubwayStationName());
requestBuilder.setAnalyzer("ik_smart");
AnalyzeResponse response = requestBuilder.get();
List<AnalyzeResponse.AnalyzeToken> tokens = response.getTokens();
if (tokens == null) {
logger.warn("Can not analyze token for house: " + indexTemplate.getHouseId());
return false;
}
List<HouseSuggest> suggests = new ArrayList<>();
for (AnalyzeResponse.AnalyzeToken token : tokens) {
// 排序数字类型 & 小于2个字符的分词结果
if ("<NUM>".equals(token.getType()) || token.getTerm().length() < 2) {
continue;
}
HouseSuggest suggest = new HouseSuggest();
suggest.setInput(token.getTerm());
suggests.add(suggest);
}
// 定制化小区自动补全
HouseSuggest suggest = new HouseSuggest();
suggest.setInput(indexTemplate.getDistrict());
suggests.add(suggest);
indexTemplate.setSuggest(suggests);
return true;
}
private void remove(Long houseId, int retry) {
if (retry > HouseIndexMessage.MAX_RETRY) {
logger.error("Retry remove times over 3 for house: " + houseId + " Please check it!");
return;
}
HouseIndexMessage message = new HouseIndexMessage(houseId, HouseIndexMessage.REMOVE, retry);
try {
this.kafkaTemplate.send(INDEX_TOPIC, objectMapper.writeValueAsString(message));
} catch (JsonProcessingException e) {
logger.error("Cannot encode json for " + message, e);
}
}
}
搜索栏自动补全
controller
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/**
* 自动补全接口
*/
@GetMapping("rent/house/autocomplete")
@ResponseBody
public ApiResponse autocomplete(@RequestParam(value = "prefix") String prefix) {
if (prefix.isEmpty()) {
return ApiResponse.ofStatus(ApiResponse.Status.BAD_REQUEST);
}
ServiceResult<List<String>> result = this.searchService.suggest(prefix);
return ApiResponse.ofSuccess(result.getResult());
}
Kafka队列异步构建索引
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private void remove(Long houseId, int retry) {
if (retry > HouseIndexMessage.MAX_RETRY) {
logger.error("Retry remove times over 3 for house: " + houseId + " Please check it!");
return;
}
HouseIndexMessage message = new HouseIndexMessage(houseId, HouseIndexMessage.REMOVE, retry);
try {
this.kafkaTemplate.send(INDEX_TOPIC, objectMapper.writeValueAsString(message));
} catch (JsonProcessingException e) {
logger.error("Cannot encode json for " + message, e);
}
}
//Kafka监听主题
@KafkaListener(topics = INDEX_TOPIC)
private void handleMessage(String content) {
try {
HouseIndexMessage message = objectMapper.readValue(content, HouseIndexMessage.class);
switch (message.getOperation()) {
case HouseIndexMessage.INDEX:
this.createOrUpdateIndex(message);
break;
case HouseIndexMessage.REMOVE:
this.removeIndex(message);
break;
default:
logger.warn("Not support message content " + content);
break;
}
} catch (IOException e) {
logger.error("Cannot parse json for " + content, e);
}
}
定时任务ES状态邮件报警
利用spring的邮件组件和定时任务监控ES状态
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package com.imooc.task;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
/**es监控
* Created by qf.
*/
@Component
public class ESMonitor {
private static final String HEALTH_CHECK_API = "http://127.0.0.1:8888/_cluster/health";
private static final String GREEN = "green";
private static final String YELLOW = "yellow";
private static final String RED = "red";
@Autowired
private ObjectMapper objectMapper;
@Autowired
private JavaMailSender mailSender;
@Scheduled(fixedDelay = 60 * 1000)
public void healthCheck() {
HttpClient httpClient = HttpClients.createDefault();
HttpGet get = new HttpGet(HEALTH_CHECK_API);
try {
HttpResponse response = httpClient.execute(get);
if (response.getStatusLine().getStatusCode() != HttpServletResponse.SC_OK) {
System.out.println("Can not access ES Service normally! Please check the server.");
} else {
String body = EntityUtils.toString(response.getEntity(), "UTF-8");
JsonNode result = objectMapper.readTree(body);
String status = result.get("status").asText();
String message = "";
boolean isNormal = false;
switch (status) {
case GREEN:
message = "ES server run normally.";
isNormal = true;
break;
case YELLOW:
message = "ES server gets status yellow! Please check the ES server!";
break;
case RED:
message = "ES ser get status RED!!! Must Check ES Server!!!";
break;
default:
message = "Unknown ES status from server for: " + status + ". Please check it.";
break;
}
if (!isNormal) {
sendAlertMessage(message);
}
// 获取集群节点
int totalNodes = result.get("number_of_nodes").asInt();
if (totalNodes < 5) {
sendAlertMessage("我们的qf节点丢了！");
}
}
} catch (IOException e) {
e.printStackTrace();
}
}
private void sendAlertMessage(String message) {
SimpleMailMessage mailMessage = new SimpleMailMessage();
mailMessage.setFrom("flyzfq@163.com");
mailMessage.setTo("flyvali@163.com");
mailMessage.setSubject("【警告】ES服务监控");
mailMessage.setText(message);
mailSender.send(mailMessage);
}
}
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