mongodb.JavaDocAdd.java Source code

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Here is the source code for mongodb.JavaDocAdd.java

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/*
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//Inserting Documents into a Collection Using Java.
//Demontrate to insert single and multiple document using java
//check  mongoClient.setWriteConcern(WriteConcern.MAJORITY); from internet.

package mongodb;

/**
 *
 * @author soham
 */
import com.mongodb.MongoClient;
import com.mongodb.WriteConcern;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.BasicDBObject;
import com.mongodb.DBCursor;
import com.mongodb.WriteResult;

public class JavaDocAdd {
    public static void main(String[] args) {
        try {
            MongoClient mongoClient = new MongoClient("localhost", 27017);
            mongoClient.setWriteConcern(WriteConcern.MAJORITY);
            DB db = mongoClient.getDB("words");
            DBCollection collection = db.getCollection("word_stats");
            JavaDocAdd.showNewDocs(collection, "Before Additions");
            JavaDocAdd.addSelfie(collection);
            JavaDocAdd.showNewDocs(collection, "After adding single");
            JavaDocAdd.addGoogleAndTweet(collection);
            JavaDocAdd.showNewDocs(collection, "After adding mutliple");
        } catch (Exception e) {
            System.out.println(e);
        }
    }

    public static void addSelfie(DBCollection collection) {
        BasicDBObject selfie = new BasicDBObject("word", "selfie");
        selfie.append("first", "s").append("last", "e");
        selfie.append("size", 6).append("category", "New");
        BasicDBObject stats = new BasicDBObject("consonants", 3);
        stats.append("vowels", 3);
        selfie.append("stats", stats);
        selfie.append("letters", new String[] { "s", "e", "l", "f", "i" });
        BasicDBObject cons = new BasicDBObject("type", "consonants");
        cons.append("chars", new String[] { "s", "l", "f" });
        BasicDBObject vowels = new BasicDBObject("type", "vowels");
        vowels.append("chars", new String[] { "e", "i" });
        BasicDBObject[] charsets = new BasicDBObject[] { cons, vowels };
        selfie.append("charsets", charsets);
        WriteResult result = collection.insert(selfie);
        System.out.println("Insert One Result: \n" + result.toString());
    }

    public static void addGoogleAndTweet(DBCollection collection) {
        //Create google Object
        BasicDBObject google = new BasicDBObject("word", "google");
        google.append("first", "g").append("last", "e");
        google.append("size", 6).append("category", "New");
        BasicDBObject stats = new BasicDBObject("consonants", 3);
        stats.append("vowels", 3);
        google.append("stats", stats);
        google.append("letters", new String[] { "g", "o", "l", "e" });
        BasicDBObject cons = new BasicDBObject("type", "consonants");
        cons.append("chars", new String[] { "g", "l" });
        BasicDBObject vowels = new BasicDBObject("type", "vowels");
        vowels.append("chars", new String[] { "o", "e" });
        BasicDBObject[] charsets = new BasicDBObject[] { cons, vowels };
        google.append("charsets", charsets);
        //Create tweet Object
        BasicDBObject tweet = new BasicDBObject("word", "tweet");
        tweet.append("first", "t").append("last", "t");
        tweet.append("size", 6).append("category", "New");
        BasicDBObject tstats = new BasicDBObject("consonants", 3);
        stats.append("vowels", 2);
        tweet.append("stats", tstats);
        tweet.append("letters", new String[] { "t", "w", "e" });
        BasicDBObject tcons = new BasicDBObject("type", "consonants");
        tcons.append("chars", new String[] { "t", "w" });
        BasicDBObject tvowels = new BasicDBObject("type", "vowels");
        tvowels.append("chars", new String[] { "e" });
        BasicDBObject[] tcharsets = new BasicDBObject[] { tcons, tvowels };
        tweet.append("charsets", tcharsets);
        //Insert object array
        WriteResult result = collection.insert(new BasicDBObject[] { google, tweet });
        System.out.println("Insert Multiple Result: \n" + result.toString());
    }

    public static void showNewDocs(DBCollection collection, String msg) {
        System.out.println("\n" + msg + ": ");
        BasicDBObject query = new BasicDBObject("category", "New");
        DBCursor cursor = collection.find(query);
        while (cursor.hasNext()) {
            DBObject doc = cursor.next();
            System.out.println(doc);
        }
    }
}