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3.1.2 Common IDL Overview


   The DAIS relies on the Data Access Facility (DAF) for basic data type declarations and some DAF declarations (for example, ResourceID and SimpleValue) are included because of this. DAIS common declarations (for example, DAIS::Quality) are made in DAISCommon. Interfaces for nodes, types, properties, and sessions are also common between data access and alarms & events. The Interface Definition Language (IDL) files and dependencies listed in Figure 3-1 are defined.




   Figure 3-1 Dependencies among common IDL files