Adapter Services

To use Adapter for MongoDB, you create adapter services. Adapter services allow you to connect to the adapter's resource and initiate an operation on the resource from Integration Server.

You call adapter services from flow or Java services to interact with database tables. The adapter services perform database operations by calling MongoDB APIs. Integration Server then uses adapter connections that you defined earlier to execute the adapter services.

Adapter services are based on templates provided with Adapter for MongoDB. Each template represents a specific technique for doing work on a resource, such as using the Select Document template to retrieve specified information from a database.

An adapter service template contains all the code necessary for interacting with the resource but without the data specifications. You provide these specifications when you create a new adapter service.

Creating a new service from an adapter service template is straightforward. Using Software AG Designer, you assign the service a default adapter connection.

After you select the connection for the adapter service, you select the adapter service template and supply the data specifications using Designer. Some familiarity with using Designer is required. For more information, see the webMethods Service Development Help for your release.

Adapter Service Type	Adapter Service Template	Description
Insert Operation	Insert Document	Inserts new information into a collection.
Find Operation	Select Document	Retrieves the information from collection.
Delete Operation	Delete Document	Deletes documents from collection and includes a mapping for an output field that stores the number of affected rows.
Update Operation	Update Document	Updates the existing document in a collection and includes a mapping for an output field that stores the number of affected rows.
Aggregation Operation	Aggregate Query	Run aggregation queries on MongoDB.
Dynamic Operation	Dynamic Query Executor	Runs a raw MongoDB query