// Obtain a local ObjectGrid reference
        // you can create a new ObjectGrid, or get configured ObjectGrid defined in ObjectGrid xml file
        ObjectGridManager objectGridManager = ObjectGridManagerFactory.getObjectGridManager();
        ObjectGrid ivObjectGrid = objectGridManager.createObjectGrid("objectgridName");

        // Add a TransactionCallback into ObjectGrid
        HeapTransactionCallback tcb = new HeapTransactionCallback();
        ivObjectGrid.setTransactionCallback(tcb);

        // Define a BackingMap
        // if the BackingMap is configured in ObjectGrid xml file, you can just get it.
        BackingMap ivBackingMap = ivObjectGrid.defineMap("myMap");

        // Add a Loader into BackingMap
        Loader ivLoader = new HeapCacheLoader();
        ivBackingMap.setLoader(ivLoader);

        // initialize ObjectGrid
        ivObjectGrid.initialize();

        // Obtain a session to be used by the current thread.
        // Session can not be shared by multiple threads
        Session ivSession = ivObjectGrid.getSession();

        // Obtaining ObjectMap from ObjectGrid Session
        ObjectMap objectMap = ivSession.getMap("myMap");

ObjectGridManager ogManager = ObjectGridManagerFactory.getObjectGridManager();

        // Obtain a ClientClusterContext by connecting to a catalog server based distributed ObjectGrid
        // You have to provide a connection end point in the format of hostName:endPointPort
        // The hostName is the machine where the catalog server reside.
        // The endPointPort is the catalog server listening port, the default is 2809.
        ClientClusterContext ivClientClusterContext = ogManager.connect("localhost:2809", null, null);

        // Obtain distributed ObjectGrid via ObjectGridManager by providing a ClientClusterContext
        ObjectGrid ivObjectGrid = ogManager.getObjectGrid(ivClientClusterContext, "objectgridName");