MongoDB 3.0 java driver Codec example - main class to run the Grades Codec example

GradeInserter.java

package org.scratch;

import org.bson.Document;
import org.bson.codecs.Codec;
import org.bson.codecs.configuration.CodecRegistries;
import org.bson.codecs.configuration.CodecRegistry;

import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.client.MongoCollection;

public class GradeInserter {

   private static MongoClient mc;

   public static void main(String[] args) {

      Codec<Document> defaultDocumentCodec = MongoClient.getDefaultCodecRegistry().get(
            Document.class);

      GradesCodec gradeCodec = new GradesCodec(defaultDocumentCodec);

      CodecRegistry codecRegistry = CodecRegistries.fromRegistries(
            MongoClient.getDefaultCodecRegistry(), CodecRegistries.fromCodecs(gradeCodec));

      MongoClientOptions options = MongoClientOptions.builder().codecRegistry(codecRegistry)
            .build();

      mc = new MongoClient("localhost:27017", options);

      MongoCollection<Grades> collection = mc.getDatabase("test").getCollection("test",
            Grades.class);

      collection.insertOne(new Grades(2, "Homework", 99.9));

      Grades first = collection.find(Grades.class).first();

      System.out.println(first);

      mc.close();
   }
}