ODatabaseDocument - countClass()

This method returns the number of records in a given database class.

Counting Records by Class

OrientDB organizes data by a database class, which is an instance of the OClass class. Using this method, you can retrieve a count of the number of records in a given database class.

Syntax

// METHOD 1
long ODatabaseDocument().countClass(String name)

// METHOD 2
long ODatabaseDocument().countClass(String name, Boolean isPolymorphic)

Argument	Type	Description
`name`	`String`	Defines the database class name
`isPolymorphic`	`Boolean`	Defines whether the class has sub-classes

Return Value

This method returns a Long instance that represents the number of records on the given database class.