0205 Connection Linkage¶

The purpose of a connector is to access the content and related properties (metadata) about an Asset owned or used by an organization.

In order for the connector to provide details of the know properties of an Asset, the open metadata types support a relationship between a Connection and the Asset.

Notice that the connection can only be associated with one asset, although an Asset may support multiple connections, each providing a different class of service, or security permissions to the consumer.

In addition, some connectors are virtual connectors - by that we mean they implement an abstraction to a business level asset and internally use one of more technical connectors as part of their implementation. The metadata repository can reflect these connection relationships using a VirtualConnection.

ResourceConnection relationship¶

The ResourceConnection relationship links a Referenceable to a Connection that describes how to connect to the associated digital resource.

VirtualConnection entity¶

The VirtualConnection entity is used to describe a connection that has one or more other connections embedded inside it.

EmbeddedConnection relationship¶

The EmbeddedConnection relationship links a virtual connection to an embedded connection.

• displayName - Display name of the element used for summary tables and titles.
• arguments - Additional arguments needed by the virtual connector when using each connection.
• position - Position of the element in a collection of relationships. Zero means no position set. A positive value identified the position starting from 1 for the first position.

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