Add New Source Type: Apex

[douglascayers]

Allow developers to implement an interface that returns the records to iterate over. This may be necessary when the criteria of what records to process cannot be expressed in a report, list view, or literal SOQL query. For example, if custom settings, metadata, or other business logic is needed to identify the records.

[douglascayers]

This is scheduled for the next build, Release 2.1

This will take advantage of the MA_IterableSourceBatchable Apex class introduced in Release 2.0 in support of the SOQL source type.

I'm thinking for the new Apex source type, I'll prompt for the name of an Apex class. That Apex class should implement Iterable<Map<String, Object>>.

What I'm not sure on yet is how the Field Mapping step will work. I prefer to provide the picklists, but I think for Apex (and probably could or should have for SOQL), need to just let the user enter plain text of the keys to pull from the Map<String, Object> provided by the custom Apex iterable.