GraphQL downstream only?

atlassian-labs / nadel

A GraphQL execution engine for distributed schemas

Apache License 2.0

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GraphQL downstream only? #140

Open xma000 opened 4 years ago

xma000 commented 4 years ago

Is it Nadel's intention to only combine GraphQL downstream services?

Can I somehow extend it with custom implementation? I have two use cases in mind.

Calling a REST downstream service to fulfill a GraphQL query.
Runtime switching between two GraphQL downstream services for ease of migration.

xma000 commented 4 years ago

I think I find the answer. Nadel is only a library for combining schemas. It doesn't dictate how the queries are resolved. Application use Nadel by providing its own ServiceExcecutionFactory and ServiceExecutions.

Please confirm and elaborate as necessary.