This method sets the type for the property.
Properties on a database class have types and can enforce type-based constraints on the data the class allows for its records. OrientDB uses the
OType class to define the data-types for the property and to provide methods for common operations performed on data-types for the property.
Using this method, you can set the property type.
OProperty OProperty().setType(OType type)
||Defines the new type for the property|
This method returns the updated