There are two types of services that can be used with a database adapter:. Adapter Publication service extracts data from the changed rows of a database table and publishes them on appropriate subject names which are then subscribed by adapter subscriber process starter. Subscription service of a database adapter does opposite to a publication service. When running as a subscriber, database adapter listens on a subject, receives messages and updates the relevant tables in its associated database.
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Typically vendors have their own way of formatting and exposing data. Therefore, integrating the various applications across your enterprise poses significant challenges. Adapters are responsible for making information from different applications available to other applications across an enterprise.
It extends publish-subscribe and request-response technology to databases. To demonstrate the Subscription service, We consider the online order system, In which customer does multiple orders and all that information is listen and capture by ESB layer via HTTP call and calls subscription service to update it to database tables. Follow the below steps to configure and test the Subscription service :.
STEP-1 : Create the below two tables i. Check the Write to Database on Save check box. This default option writes configuration information to the database when you save the project in TIBCO designer. STEP-4 : Click the Design Time Connection tab and specify database connection parameters for your environment and then click on Test Connection button to verify the parameters entered are correct or not and then click on OK button to the confirmation message dialog that appears, then click on Apply button.
TIBCO application writes the ESB layer changes to this destination and Adapter Subscription service read the message from this destination and writes the data to database tables. ADBSubscriber and in turn subscription service listens to this data and writes to database tables. Even we created one " SubServiceTest. STEP : Finally you can observe that customer order information is written to database tables. Post a Comment. No comments:. Older Post Home. Subscribe to: Post Comments Atom.
jdbc & adb adapter
ADB Adapter. JDBC Pallet. Data Load. Can handle High to Mid load. The data load will be on the adapter archive instance running on the admin. Use for Mid to Low data. The data load will be on the process archive.
TIBCO ADB Adapter Interview Questions
Adapter are written using SDK and strictly adhere to standard error viewing and handling. Thereby making monitoring easy. Adapters are useful in high-to-medium load situations for both real-time and batch-updates. Adapter can be run on the application machine using native lib. Useful when dealing with synchronous model and you need to take explicit action on transaction failure. Useful when the database operations are not straight forward i.