JavaでMongoDB接続を取得する方法詳細

<dependency>
  <groupId>org.mongodb</groupId>
  <artifactId>mongodb-driver</artifactId>
  <version>3.4.1</version>
</dependency>
<dependency>
  <groupId>org.mongodb</groupId>
  <artifactId>bson</artifactId>
  <version>3.4.1</version>
</dependency>
<dependency>
  <groupId>org.springframework.data</groupId>
  <artifactId>spring-data-mongodb</artifactId>
  <version>1.7.0.RELEASE</version>
</dependency>  
<dependency>
  <groupId>org.mongodb</groupId>
  <artifactId>mongo-java-driver</artifactId>
  <version>3.9.1</version>
</dependency>

List<ServerAddress> addrs = new ArrayList<ServerAddress>();
addrs.add(new ServerAddress(dataSource.getSourceIp(), Integer.valueOf(dataSource.getSourcePort())));
List<MongoCredential> credentials = new ArrayList<MongoCredential>();
credentials.add(MongoCredential.createScramSha1Credential(dataSource.getUsername(), dataSource.getSourceName(), dataSource.getPassword().toCharArray()));
MongoClient mongoClient = new MongoClient(addrs, credentials);
MongoDbFactory mongoDbFactory = new SimpleMongoDbFactory(mongoClient, dataSource.getSourceName());
MongoTemplate mongoTemplate = new MongoTemplate(mongoDbFactory);
mongoTemplate.getCollectionNames();

ServerAddress serverAddress = new ServerAddress("192.168.16.121",27017); 
List<ServerAddress> addrs = new ArrayList<ServerAddress>(); 
addrs.add(serverAddress); 
//MongoCredential.createScramSha1Credential()                     
MongoCredential credential = MongoCredential.createScramSha1Credential("root", "admin", "123456Ab".toCharArray()); 
List<MongoCredential> credentials = new ArrayList<MongoCredential>(); 
credentials.add(credential); 
//        MongoDB   
MongoClient mongoClient = new MongoClient(addrs,credentials); 
//       
MongoDatabase mongoDatabase = mongoClient.getDatabase("admin");
mongoDatabase.getCollection("test").find().iterator();
//        
mongoClient.close();

package test;
 
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
 
import org.junit.Test;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.MongoDbFactory;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.SimpleMongoDbFactory;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
 
import com.mongodb.MongoClient;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;
import com.mongodb.WriteResult;
 
import bean.Book;
import bean.Good;
import bean.ShopDO;
import net.sf.json.JSONObject;
 
public class MongoTemplateTest {
  public static MongoTemplate mongoTemplate = getMongoTemplate();
   
  public static void main(String[] args) {
    System.out.println(mongoTemplate.getCollectionNames());
  }
   
  public static MongoTemplate getMongoTemplate(){
    String host = "192.168.16.121";
    int port = 27017;
    String databaseName = "test";
    String username = "root";
    String password = "123456Ab";
     
    //ServerAddress(host,port)        IP      
    ServerAddress serverAddress = new ServerAddress(host,port); 
    List<ServerAddress> addrs = new ArrayList<ServerAddress>(); 
    addrs.add(serverAddress);
      
    //MongoCredential.createScramSha1Credential(username,source,password)                     
    MongoCredential credential = MongoCredential.createScramSha1Credential(username, databaseName, password.toCharArray()); 
    List<MongoCredential> credentials = new ArrayList<MongoCredential>(); 
    credentials.add(credential); 
      
    //        MongoDB   
    MongoClient mongoClient = new MongoClient(addrs,credentials);
    MongoDbFactory mongoDbFactory = new SimpleMongoDbFactory(mongoClient, databaseName);
    MongoTemplate mongoTemplate = new MongoTemplate(mongoDbFactory);
     
    return mongoTemplate;
  }
   
  /**
   *     
   */
  @Test
  public void save(){
    ShopDO shop1 = new ShopDO(100L,"    ");
    ShopDO shop2 = new ShopDO(101L,"    ");
    mongoTemplate.save(shop1,"col");
    mongoTemplate.save(shop2,"col");
    System.out.println("mongoDB      ,   col,   ："+mongoTemplate.getCollection("col"));
  }
   
  @Test
  public void save1(){
    Book book = new Book(22L,"  ","32.5");
    mongoTemplate.save(book,"col");
  }
   
  @Test
  public void save2(){
    Good good = new Good(new HashMap<String,String>(){{put("id","1");put("name","  ");}});
    mongoTemplate.save(good,"col");
  }
   
  @Test
  public void save3(){
    mongoTemplate.save(JSONObject.fromObject("{\"  \":\"we\",\"  \":\"hai\"}"),"col");
    System.out.println("mongoDB      ,   col,   ："+mongoTemplate.getCollection("col"));
  }
   
  /**
   *     
   */
  @Test
  public void findAll(){
    List<ShopDO> list = mongoTemplate.findAll(ShopDO.class,"col");
    System.out.println("mongoDB      ,   col,   ：");
    for (ShopDO shopDO:list){
      System.out.println(shopDO.getNo()+"/"+shopDO.getName());
    }
  }
   
  /**
   *      
   */
  @Test
  public void simpleQuery(){
    Query query = Query.query(Criteria.where("no").is(100L));
    List<ShopDO> list = mongoTemplate.find(query,ShopDO.class,"col");
    System.out.println("mongoDB   ID      ,   col,   ：");
    for (ShopDO shopDO:list){
     System.out.println(shopDO.getNo()+"/"+shopDO.getName());
    }
  }
   
  /**
   *      
   */
  @Test
  public void muchQuery(){
    Criteria criteria = new Criteria();
    //or      ，and      
    criteria.orOperator(
    Criteria.where("no").is(100),
    Criteria.where("name").is("    "));
    Query query = new Query(criteria);  //      query
    Sort sort = new Sort(new Sort.Order(Sort.Direction.DESC,"no")); //       
    query.with(sort);
    List<ShopDO> list = mongoTemplate.find(query,ShopDO.class,"col");
    System.out.println("mongoDB        ,   col,   ：");
    for (ShopDO shopDO:list){
      System.out.println(shopDO.getNo()+"/"+shopDO.getName());
    }
  }
   
  /**
   *     
   */
  @Test
  public void LimitQuery(){
    Query query = new Query();
    query.skip(1).limit(3);
    List<ShopDO> list = mongoTemplate.find(query,ShopDO.class,"col");
    System.out.println("mongoDB       1    3   ,   col,   ：");
    for (ShopDO shopDO:list){
      System.out.println(shopDO.getNo()+"/"+shopDO.getName());
    }
  }
   
  /**
   *     
   */
  @Test
  public void LikeQuery(){
    Query query = new Query(Criteria.where("name").regex("  "));
    List<ShopDO> list = mongoTemplate.find(query,ShopDO.class,"col");
    System.out.println("mongoDB            ,   col,   ：");
     for (ShopDO shopDO:list){
        System.out.println(shopDO.getNo()+"/"+shopDO.getName());
      }
    Update update = new Update();
    update.set("name","    old");
    WriteResult wr = mongoTemplate.updateMulti(query,update,"col");
    System.out.println("mongoDB      ,   col,   ：" + wr.getN());
  }
   
  /**
   *   
   */
  @Test
  public void update(){
    Query query = new Query(Criteria.where("no").is(100));
    List<ShopDO> list = mongoTemplate.find(query,ShopDO.class,"col");
    System.out.println("mongoDB  no 100     ,   col,   ：");
    for (ShopDO shopDO:list){
      System.out.println(shopDO.getNo()+"/"+shopDO.getName());
    }
    Update update = new Update();
    update.set("name","    new");
    WriteResult wr = mongoTemplate.updateFirst(query,update,"col");
    System.out.println("mongoDB      ,   col,   ：" + wr.getN());
  }
   
  /**
   *   
   */
  @Test
  public void delete(){
    Query query = new Query(Criteria.where("no").is(1));
    WriteResult result = mongoTemplate.remove(query, "col");
    System.out.println("mongoDB      ,   col,   ：" + result.getN() + "   ID "+result.getUpsertedId());
  }
}