Miss functions for Batch operation

Hi all,

I'm try to do a batch operation. I've read this article:

Gateway Batch Calls from SAPUI5

However, I get this error message :

Uncaught TypeError: oDataModel.createBatchOperation is not a function

So I check this object. Indeed, I haven't found this method, however, I see the methods like _createBatchRequest, _submitBatchRequest, etc, please see the pictures

the method we use to create this ODataModel object is :

In Component.js

var oAnalysisDataModel = new ODataModel(oConfig.remoteAnalysis);

//oAnalysisDataModel.setUseBatch(false);

this.setModel(oAnalysisDataModel,"analysis");

Then Controller.js

var oOwner = this.getOwnerComponent();

var oDataModel = oOwner.getModel('analysis');

Please help me

Thanks

Yan Xu

UPDATE

If I use : oDataModel.setUseBatch(true);

then

oDataModel.create('/entities', entity1);

oDataModel.create('/entities', entity2);

oDataModel.create('/entities', entity3);

It can create a batch automatically and fire it automatically. But I don't know should I setUseBatch(false) after?