Java solr 索引数据增删改查

时间:2023-03-09 17:51:34
Java solr 索引数据增删改查

  具体代码如下:

import java.io.IOException;
import java.util.*; import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.SolrQuery;
import org.apache.solr.client.solrj.SolrRequest;
import org.apache.solr.client.solrj.SolrServerException;
import org.apache.solr.client.solrj.impl.HttpSolrClient;
import org.apache.solr.client.solrj.response.QueryResponse;
import org.apache.solr.client.solrj.response.UpdateResponse;
import org.apache.solr.common.SolrDocument;
import org.apache.solr.common.SolrInputDocument;
import java.util.Set;
import java.util.List; /**
* @Author:sks
* @Description:
* @Date:
*/
public class solrtest { public static void main(String []args) throws SolrServerException, IOException{ String urlString = "http://localhost:8983/solr/data";
String id = "北京-报纸-电动车-资讯快报.pdf";
Init(urlString);
// addIndex();
searchData();
// Map<String, String> maps = new HashMap<String, String>();
// maps.put("author","小王");
// maps.put("profession","汽车");
// maps.put("district","北京");
// maps.put("mediatype","报纸");
// updateMultiData(id,maps);
//
//
// String fieldName = "author";
// Object fieldValue = "小张";
// updateSingleData(id,fieldName,fieldValue);
//
// delIndexByID(id); } private static SolrClient solr; /**
* @Author:sks
* @Description:初始化solr客户端
* @Date:
*/
public static void Init(String urlString){ solr = new HttpSolrClient.Builder(urlString).build();
} /**
* @Author:sks
* @Description:添加索引
* @Date:
*/
public static void addIndex() throws SolrServerException, IOException{ SolrInputDocument document = new SolrInputDocument();
document.addField("id", "9527");
document.addField("name", "啦啦");
document.addField("content", "solr是个好东西");
solr.add(document);
solr.commit();
} /**
* @Author:sks
* @Description:更新索引中多个属性数据
* @Date:
* @id:索引ID
* @maps:属性名称,属性值键值对
*/
public static void updateMultiData(String id,Map<String, String> maps ) throws SolrServerException,IOException{ Set<String> keys = maps.keySet();
SolrInputDocument doc = new SolrInputDocument();
doc.addField("id", id);
for(String key : keys)
{
HashMap<String, Object> oper = new HashMap<String, Object>();
oper.put("set", maps.get(key));
doc.addField(key, oper);
} UpdateResponse rsp = solr.add(doc);
System.out.println("update doc id:" + id + " result:" + rsp.getStatus() + " Qtime:" + rsp.getQTime());
UpdateResponse rspCommit = solr.commit();
System.out.println("commit doc to index" + " result:" + rspCommit.getStatus() + " Qtime:" + rspCommit.getQTime()); } /**
* @Author:sks
* @Description:更新索引中单个属性数据
* @Date:
* @id:索引ID
* @fieldName:属性名称
* @fieldValue:属性值
*/
public static void updateSingleData(String id,String fieldName,Object fieldValue) throws SolrServerException,IOException{ HashMap<String, Object> oper = new HashMap<String, Object>();
oper.put("set", fieldValue);
SolrInputDocument doc = new SolrInputDocument();
doc.addField("id", id);
doc.addField(fieldName, oper);
UpdateResponse rsp = solr.add(doc);
System.out.println("update doc id:" + id + " result:" + rsp.getStatus() + " Qtime:" + rsp.getQTime());
UpdateResponse rspCommit = solr.commit();
System.out.println("commit doc to index" + " result:" + rspCommit.getStatus() + " Qtime:" + rspCommit.getQTime()); } /**
* @Author:sks
* @Description:删除指定ID的索引
* @Date:
* @id:索引ID
*/
public static void delIndexByID(String id) throws SolrServerException, IOException{ UpdateResponse ur = solr.deleteById(id);
System.out.println(ur); UpdateResponse c = solr.commit();
System.out.println(c); } /**
* @Author:sks
* @Description:查询数据
* @Date:
*/
public static void searchData() throws SolrServerException,IOException {
//使用这个对象做查询
SolrQuery params = new SolrQuery();
//查询所有数据
// params.setQuery("*:*");
params.setQuery("id:广州-杂志-汽车-电台资讯快报-2015年2月.docx");
//分页,默认是分页从0开始,每页显示10行
params.setStart(0);
params.setRows(30); QueryResponse queryResponse = solr.query(params);
//拿到数据集合,返回查询结果
List<SolrDocument> list = queryResponse.getResults(); //循环打印数据集合
for (SolrDocument solrDocument : list) {
Object id = solrDocument.get("id");
System.out.println(id.toString()); Object fileSize = solrDocument.get("fileSize");
System.out.println(fileSize.toString()); Object fileLastModified = solrDocument.get("fileLastModified");
System.out.println(fileLastModified.toString()); Object fileAbsolutePath = solrDocument.get("fileAbsolutePath");
System.out.println(fileAbsolutePath.toString()); Object author = solrDocument.get("author");
System.out.println(author.toString()); // Object text = solrDocument.get("text");
// System.out.println(text.toString());
Object title = solrDocument.get("title");
System.out.println(title.toString()); Object author_area_keywor = solrDocument.get("author_area_keyword");
System.out.println(author_area_keywor.toString()); }
} }