PoolService.java
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package com.viontech.match.service;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.viontech.keliu.model.Person;
import com.viontech.match.config.Constant;
import com.viontech.match.entity.PoolInfo;
import com.viontech.match.entity.vo.RequestVo;
import com.viontech.match.entity.vo.ResponseVo;
import lombok.extern.slf4j.Slf4j;
import org.apache.http.HttpEntity;
import org.elasticsearch.ElasticsearchStatusException;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
import org.elasticsearch.action.admin.indices.refresh.RefreshRequest;
import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.support.master.AcknowledgedResponse;
import org.elasticsearch.client.*;
import org.elasticsearch.client.indices.CreateIndexRequest;
import org.elasticsearch.client.indices.CreateIndexResponse;
import org.elasticsearch.client.indices.GetIndexRequest;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.rest.RestStatus;
import org.springframework.stereotype.Service;
import javax.annotation.Resource;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
* .
*
* @author 谢明辉
* @date 2020/11/27
*/
@Service
@Slf4j
public class PoolService {
@Resource
private PersonService personService;
@Resource
private RestHighLevelClient client;
@Resource
private ObjectMapper objectMapper;
/**
* 添加特征池
*/
public ResponseVo createPool(RequestVo requestVo) throws Exception {
String rid = requestVo.getRid();
String poolId = requestVo.getPoolId();
log.info("特征池创建操作开始:[{}}", poolId);
try {
CreateIndexRequest createIndexRequest = new CreateIndexRequest(poolId);
XContentBuilder builder = getCreateIndexContentBuilder();
createIndexRequest.mapping(builder);
Settings.Builder setting = Settings.builder();
setting.put("index.number_of_shards", 1);
setting.put("index.number_of_replicas", 0);
createIndexRequest.settings(setting);
CreateIndexResponse createIndexResponse = client.indices().create(createIndexRequest, RequestOptions.DEFAULT);
List<Person> personPool = requestVo.getPersonPool();
if (personPool != null && personPool.size() > 0) {
BulkResponse bulkItemResponses = personService.addPerson(poolId, personPool);
if (bulkItemResponses != null) {
log.info(bulkItemResponses.buildFailureMessage());
}
}
log.info("特征池创建操作完成:[{}]", poolId);
return ResponseVo.success(rid);
} catch (ElasticsearchStatusException e) {
if (e.status() == RestStatus.BAD_REQUEST && e.getMessage().contains(Constant.STR_POOL_ID_ALREADY_EXISTS)) {
return ResponseVo.error(rid, 20, "already exit poolId");
} else {
throw e;
}
}
}
/**
* 删除特征池
*/
public ResponseVo deletePool(RequestVo requestVo) throws Exception {
String rid = requestVo.getRid();
Integer flushPool = requestVo.getFlushPool();
String poolId = requestVo.getPoolId();
log.info("特征池删除操作开始:[{}],FlushPool:[{}]", poolId, flushPool);
try {
if (0 == flushPool) {
List<HashMap<String, String>> personIds = requestVo.getPersonIds();
for (HashMap<String, String> item : personIds) {
String personId = item.get("personId");
if (personId != null) {
personService.deletePerson(poolId, personId);
}
}
} else if (flushPool == 1) {
AcknowledgedResponse delete = client.indices().delete(new DeleteIndexRequest(poolId), RequestOptions.DEFAULT);
}
log.info("特征池删除操作完成:[{}],FlushPool:[{}]", poolId, flushPool);
return ResponseVo.success(rid);
} catch (ElasticsearchStatusException e) {
if (e.status() == RestStatus.NOT_FOUND) {
return ResponseVo.poolIdNotExists(rid);
} else {
return ResponseVo.error(rid, e.getDetailedMessage());
}
}
}
/**
* 修改特征池(添加人员)
*/
public ResponseVo modifyPool(RequestVo requestVo) throws Exception {
String rid = requestVo.getRid();
String poolId = requestVo.getPoolId();
List<Person> personPool = requestVo.getPersonPool();
Integer updateType = requestVo.getUpdateType();
log.info("特征池修改操作开始:[{}],updateType:[{}]", poolId, updateType);
if (!client.indices().exists(new GetIndexRequest(poolId), RequestOptions.DEFAULT)) {
return ResponseVo.poolIdNotExists(rid);
}
try {
BulkResponse bulkItemResponses = personService.addPerson(poolId, personPool);
if (bulkItemResponses != null && bulkItemResponses.hasFailures()) {
log.info(bulkItemResponses.buildFailureMessage());
}
log.info("特征池修改操作完成:[{}],updateType:[{}]", poolId, updateType);
return ResponseVo.success(rid, "success");
} catch (ElasticsearchStatusException e) {
log.error("modifyPool", e);
return ResponseVo.error(rid, e.getDetailedMessage());
}
}
/**
* 查询特征池信息
*/
public ResponseVo queryPool(RequestVo requestVo) throws Exception {
String rid = requestVo.getRid();
Integer listAll = requestVo.getListAll();
String poolId = requestVo.getPoolId();
try {
List<PoolInfo> poolInfos;
log.info("查询特征池操作开始:[{}],rid:[{}]", poolId, rid);
if (listAll != 0) {
poolInfos = queryPoolInfo(null);
} else {
if (!existPool(poolId)) {
return ResponseVo.poolIdNotExists(rid);
}
poolInfos = queryPoolInfo(poolId);
}
ResponseVo success = ResponseVo.success(rid, "success");
success.setPoolIds(poolInfos);
log.info("查询特征池操作完成:[{}],rid:[{}]", poolId, rid);
return success;
} catch (ElasticsearchStatusException e) {
log.error("queryPool", e);
return ResponseVo.error(rid, e.getDetailedMessage());
}
}
public void refreshPool(String... poolIds) throws IOException {
RefreshRequest refreshRequest = new RefreshRequest(poolIds);
RefreshResponse refresh = client.indices().refresh(refreshRequest, RequestOptions.DEFAULT);
log.info("刷新索引:{},成功:{},失败:{}", poolIds, refresh.getSuccessfulShards(), refresh.getFailedShards());
}
public XContentBuilder getCreateIndexContentBuilder() throws IOException {
XContentBuilder builder = XContentFactory.jsonBuilder();
builder.startObject();
{
builder.startObject("properties");
{
// 人脸特征
builder.startObject("data");
{
builder.field("type", "dense_vector");
builder.field("dims", Constant.FACE_FEATURE_DIMS);
}
builder.endObject();
// 人体特征
builder.startObject("body");
{
builder.field("type", "dense_vector");
builder.field("dims", Constant.BODY_FEATURE_DIMS_2048);
}
builder.endObject();
// 人员id
builder.startObject("personId");
{
builder.field("type", "keyword");
}
builder.endObject();
// 特征id
builder.startObject("fid");
{
builder.field("type", "text");
}
builder.endObject();
builder.startObject("age");
{
builder.field("type", "integer");
builder.field("doc_values", false);
builder.field("index", false);
}
builder.endObject();
builder.startObject("gender");
{
builder.field("type", "keyword");
builder.field("doc_values", false);
builder.field("index", false);
}
builder.endObject();
}
builder.endObject();
}
builder.endObject();
return builder;
}
public boolean existPool(String poolId) throws IOException {
return client.indices().exists(new GetIndexRequest(poolId), RequestOptions.DEFAULT);
}
public List<PoolInfo> queryPoolInfo(String poolId) throws IOException {
String endPoint = poolId == null ? "/_stats" : "/" + poolId + "/_stats";
LinkedList<PoolInfo> poolInfos = new LinkedList<>();
RestClient lowLevelClient = client.getLowLevelClient();
Request request = new Request("GET", endPoint);
Response response = lowLevelClient.performRequest(request);
HttpEntity entity = response.getEntity();
InputStream content = entity.getContent();
HashMap responseMap = objectMapper.readValue(content, HashMap.class);
HashMap<String, HashMap> indices1 = (HashMap<String, HashMap>) responseMap.get("indices");
for (Map.Entry<String, HashMap> entry : indices1.entrySet()) {
String id = entry.getKey();
HashMap value = entry.getValue();
HashMap<String, HashMap> primaries = (HashMap<String, HashMap>) value.get("primaries");
HashMap docs = primaries.get("docs");
Integer count = (Integer) docs.get("count");
PoolInfo poolInfo = new PoolInfo();
poolInfo.setPersonCount(count.longValue());
poolInfo.setPoolId(id);
poolInfos.add(poolInfo);
}
return poolInfos;
}
}