Extended Entity

Daobab Entity can be easy extended by another data.
Any extension has no affect to SQL, until column() method is untouched.
This is a good solution when you want attach some related data directly into entity.
Those data can be load immediatelly (EAGER) or on demand (LAZY)

Put new object directly into map

Every entity is a map, so any value can be put and get from here via unique key.
In this scenario you must remember, what object type and correctly cast the object after get

Use typical field with getter and setter

Adding fields like this is pernament, at entity level.

Create a dedicaded Column interface via Daobab style

In this scenariu you need to prepare the correct, unique Daobab Column interface.