Provides an interface for operating on schemas in OrientDB.
In order to operate on schemas in your Java application, you first need to import it.
|Counts the number of classes associated with the schema|
|Creates an abstract class in the schema|
|Creates a class in the schema|
|Removes a class from the schema|
|Checks whether the class exists in the schema|
|Retrieves class from the schema|
|Retrieves class by associated Cluster ID|
|Retrieves all classes associated with schema|
|Retrieves all classes associated with the given cluster|
|Retrieves class from the schema and create the class if it does not already exist|