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CAST supports Amazon DocumentDB via its NoSQL for Java extension. As Amazon DocumentDB is MongoDB compatible, supported operations, objects and links are identical to that in MongoDB.

Supported Amazon DocumentDB versions

VersionSupported
4.0(tick)
3.6(tick)

Amazon DocumentDB Identification

The below mentioned objects in MongoDB have properties to indicate whether the object is of type MongoDB or Amazon DocumentDB:

Object

Property Description

Type of Property Value

Possible Value(s)

Meaning

Java MongoDB collectionIs an Amazon DocumentDB collection?Integer

1



The collection object is of type Amazon DocumentDB

0The collection object is of type MongoDB
Java unknown MongoDB collectionIs an Amazon DocumentDB collection?Integer

1



The collection object is of type Amazon DocumentDB

0The collection object is of type MongoDB

What results can you expect?

Sample Code
package com.sample.app;

import com.mongodb.MongoClient;
import com.mongodb.MongoClientURI;
import com.mongodb.ServerAddress;
import com.mongodb.MongoException;
import com.mongodb.client.MongoCursor;
import com.mongodb.client.MongoDatabase;
import com.mongodb.client.MongoCollection;
import org.bson.Document;


public final class App {
    private App() {
    }
    public static void main(String[] args) {

        String connectionString = "mongodb://root:rootroot@sample-cluster.cluster-cqjaxx9hbhi0.us-west-2.docdb.amazonaws.com:27017/?replicaSet=rs0&readpreference=secondaryPreferred";

        MongoClientURI clientURI = new MongoClientURI(connectionString);
        MongoClient mongoClient = new MongoClient(clientURI);

        MongoDatabase testDB = mongoClient.getDatabase("library");
        MongoCollection<Document> numbersCollection = testDB.getCollection("books");

        Document doc = new Document("name", "title").append("value", "Harry Potter");
        numbersCollection.insertOne(doc);

        MongoCursor<Document> cursor = numbersCollection.find().iterator();
        try {
            while (cursor.hasNext()) {
                System.out.println(cursor.next().toJson());
            }
        } finally {
            cursor.close();
        }

    }
}

For detailed information on results related to objects and links see MongoDB.

Limitations

Setting of properties related to Amazon DocumentDB identification depends on proper resolution of connection string.

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