OProperty - isNotNull()
This method determines whether a property permits null
values.
Checking Constraints
Properties can enforce a schema on the records you save to OrientDB. This constraint defines whether the class allows null
values for this property. Using this method, you can determine whether the constraint has been configured for the property.
Syntax
Boolean OProperty().isNotNull()
Return Value
This method returns a Boolean
instance, which if true
indicates that the property allows null
values.