Developer Guide

Back Next

Edge Data Streaming Helper Classes

EDS includes a collection of helper classes for common operations that you need to perform in your EDS interface implementation.

EDS includes the following helper classes:

VDSConfiguration: A
VDSConfiguration
object stores the configuration of an entity as a set of key-value pairs. The
VDSConfiguration
helper class includes methods to retrieve the value of a key and a method to check for the presence of a key.
VDSErrorCode: The
VDSErrorCode
class contains all the error codes that EDS uses.
VDSEvent: A
VDSEvent
object is an event and contains a block of data that EDS is transferring from the source location to the target location. An event is a message.
VDSEventList: The
VDSEventList
class represents a list of events in EDS. You can add events that sources and transformations generate to a
VDSEventList
object.
VDSException: The
VDSException
class includes details about an exception in EDS.