[SOLR]-solrj: add, delete, and query

Use solrj to add, delete, and query SOLR.

Reference:

Http://wiki.apache.org/solr/Solrj

 

Create a new project in Eclipse: testsolr

 

The LIB package of sorlj includes:

 

Code:

Create an item entity

package com.my.entity;import java.util.Date;import org.apache.solr.client.solrj.beans.Field;public class Item {    @Field    private long id;    @Field    private String subject;    @Field    private String content;    @Field    private Date last_update_time;        public long getId() {        return id;    }    public void setId(long id) {        this.id = id;    }    public String getSubject() {        return subject;    }    public void setSubject(String subject) {        this.subject = subject;    }    public String getContent() {        return content;    }    public void setContent(String content) {        this.content = content;    }    public Date getLast_update_time() {        return last_update_time;    }    public void setLast_update_time(Date last_update_time) {        this.last_update_time = last_update_time;    }}

 

Test code:

Package COM. my. SOLR; import Java. io. ioexception; import Java. util. date; import Java. util. list; import Org. apache. SOLR. client. solrj. solrquery; import Org. apache. SOLR. client. solrj. solrquery. order; import Org. apache. SOLR. client. solrj. solrquery. sortclause; import Org. apache. SOLR. client. solrj. solrserverexception; import Org. apache. SOLR. client. solrj. impl. httpsolrserver; import Org. apache. SOLR. client. solrj. impl. XM Lresponseparser; import Org. apache. SOLR. client. solrj. response. queryresponse; import COM. my. entity. item; public class testsolr {public static void main (string [] ARGs) throws ioexception, solrserverexception {string url = "http: // localhost: 8899/SOLR/mycore "; httpsolrserver core = new httpsolrserver (URL); core. setmaxretries (1); core. setconnectiontimeout (5000); core. setparser (New xmlresponseparser ()); // Binary parser is used by default core. setsotimeout (1000); // socket read timeout core. setdefamaxmaxconnectionsperhost (100); core. setmaxtotalconnections (100); core. setfollowredirects (false); // defaults to false core. setallowcompression (true); // -------------------------------------------------------- // remove all data // extract core. deletebyquery ("*: *"); // -------------------------------------------------------- // Add item = new item (); item. setid (1); item. setsubject ("solrj test"); item. setcontent ("this is my solrj test, ha ha. "); item. setlast_update_time (new date (); core. addbean (item); // -------------------------------------------------------- // Add Unicode item //----- Using item item_cn = new item (); item_cn.setid (2); item_cn.setsubject ("My tests"); item_cn.setcontent ("This is a magical website! "); Item. setlast_update_time (new date (); core. addbean (item_cn); // commit core. commit (); // queries // search // ---------------------------------------------------------- solrquery query = new solrquery (); query. setquery ("*: *"); query. addsort (New sortclause ("ID", order. DESC); queryresponse response = core. query (query); List <item> items = response. getbeans (item. class); For (item I: Items) {system. out. println ("ID =" + I. GETID () + "\ tcontent =" + I. getcontent ());}}}

 

Running result:

[SOLR]-solrj: add, delete, and query