global virtual fferpcore.MessageDescription describe()

This method returns a fferpcore.MessageDescription which contains information about which SObject type the publishing product is sending information about. Additionally, this specifies which fields any publications associated with this describer sends in their messages by default in addition to a field that specifies the correlation Id of a message.

Return Value

This service returns a MessageDescription object.

Sample Code

//Note: This sample code is for demonstration purposes only. It is not intended for
//use in a production environment, is not guaranteed against defects or errors, and
//is in no way optimized or streamlined.

//Example implementation of a describer.
public class ConcreteDescriber extends fferpcore.PublicationDescriber
{
    private static final SObjectType SOBJECT_TYPE = ExampleSObject__c.SObjectType;

    global override fferpcore.MessageDescription describe()
    {
        return new fferpcore.MessageDescription(
            getCorrelation(),
            getBody(),
            new fferpcore.Context.SObjectContext(SOBJECT_TYPE)
        );
    }

    public fferpcore.Context.Source getCorrelation()
    {
        return new fferpcore.Context.SObjectSource(ExampleSObject__c.EmployeeId__c);
    }

    public fferpcore.MessageDescription.Node getBody()
    {
        return new fferpcore.MessageDescription.MapNode()
            .withChild('Link Control', fferpcore.LinkControlBody.getOutgoingDescriptionNode(SOBJECT_TYPE, 'Example'))
            .withScalarChild('Name', ExampleSObject__c.Name)
            .withChild('Address', new fferpcore.MessageDescription.MapNode()
                .withScalarChild('Line 1', ExampleSObject__c.Address1__c)
            .withScalarChild('Phone', ExampleSObject__c.Phone__c)
            .withChild('Relationship Map', new fferpcore.MessageDescription.MapNode(ExampleSObject__c.Relationship__c)
                .withScalarChild('Relationship', Relationship__c.Name));
    }
}

global virtual fferpcore.MessageDescription describe(fferpcore.PublicationDescriber.PublicationDescriptionRequest request)

Generate a fferpcore.MessageDescription using the specified PublicationDescriptionRequest to provide additional information such as the source object and correlation field.

Input Parameters

Return Value

The generated MessageDescription.

global PublicationDescriptionRequest(String sourceObject, String correlationField, String linkDeveloperName)

Construct a PublicationDescriptionRequest containing the source object, correlation field. and link developer name.

Input Parameters

Return Value

A PublicationDescriptionRequest instance.

global PublicationDescriptionRequest(String sourceObject, String correlationField, String linkDeveloperName, String virtualObject, String virtualObjectProvider)

Construct a PublicationDescriptionRequest containing the source object, correlation field, link developer name, and the virtual object and associated provider.

Input Parameters

Return Value

A PublicationDescriptionRequest instance.

global String getSourceObject()

Return Value

The API name of the source object.

global String getCorrelationField()

Return Value

The API name of the correlation field.

global String getLinkDeveloperName()

Return Value

The developer name used in link control.

global String getVirtualObject()

Return Value

The name of the virtual object.

global String getVirtualObjectProvider()

Return Value

The name of the virtual object provider.