How do I convert a data table object to java.util.map

General
1

I am creating a custom event handler. When I override the handleEvent method I need to return a java.util.map object. However, my code is retrieving the data using the class type.

Option option = Backendless.Data.of(Option.class).findById(optionObjectId);

How can I convert the option object to a java.util.map so that I can return it from the handleEvent method? Does backendless have any built in functionality to do this conversion? Or, do I need to manually create a map object so that I can return it?

2

Hi David,

Backendless can already do it for you. Here’s how:

HashMap optionMap = Backendless.Data.of( "Option" ).findById( optionObjectId );

The primary difference is the of() method. If you pass your table name as a string, then you can work with your table through hashmaps rather than entity classes.

Regards,
Mark

3

But that call doesn’t seem to query the relationships of “Option”.

4

Neither does the call you showed in your original post… ))

There is a method override which lets you provide a collection of relations:https://github.com/Backendless/Android-SDK/blob/master/src/com/backendless/IDataStore.java#L71

5

Awesome! Thank you!