Accounting Model

The Accounting Model is based on the concept of Usage Record (UR).

Accounting Usage Records Hierarchy

Interfaces

• Usage Record
• Single Usage Record
• Aggregated Usage Record

Abstract Implementation

• Basic Usage Record

Interfaces

Usage Record

This is the very basic interface to respect for every Usage Record. It mainly define the generic access methods. In particular:

• Getter and Setter for basic fields;
• Generic Key-Value method both to set and retrieve a single value (key:String, value:Comparable<? extends Serializable>);
• Generic Map<String, Comparable<? extends Serializable>> to set all property at once.

Single Usage Record

Used to identify if an UsageRecord is referred to a single operation to account.