Provider

Provider

Crear la clase MongoClientProvider.java

MongoClientProvider.java

import com.avbravo.avbravoutils.JsfUtil;
import com.mongodb.MongoClient;
import java.util.logging.Logger;
import javax.annotation.PostConstruct;
import javax.ejb.ConcurrencyManagement;
import javax.ejb.ConcurrencyManagementType;
import javax.ejb.Lock;
import javax.ejb.LockType;
import javax.ejb.Singleton;

/**
 *
 * @author
 */
@Singleton
@ConcurrencyManagement(ConcurrencyManagementType.CONTAINER)

public class MongoClientProvider  {

    private static final Logger LOG = Logger.getLogger(MongoClientProvider.class.getName());

    private MongoClient mongoClient = null;

    @Lock(LockType.READ)
    public MongoClient getMongoClient() {
        if(mongoClient == null){
           init();
        }
        return mongoClient;
    }
    @PostConstruct
    public void init() {
        try {
             /*
           String database="";
           String username="";
           String password="";
           String host="localhost";
           String port="27017";
           char[] charArray = password.toCharArray();
           MongoCredential credential = MongoCredential.createCredential(username, database, charArray);
           mongoClient = new MongoClient(new ServerAddress(host,port), Arrays.asList(credential));
            */
        mongoClient = new MongoClient();
       } catch (Exception e) {
           JsfUtil.errorMessage("init() " + e.getLocalizedMessage());
           LOG.warning("MongoClientProvider init() "+e.getLocalizedMessage());
       }
   }



}