1. A method, comprising: receiving, by a transform, a request to transform source data; calling, by the transform, a resource context; initializing, by the resource context, a resource object for the transform; acquiring, by the resource context, associations to source data and resources needed by the transform; maintaining, by the resource context, the acquired associations to source data and resources in the resource object for the transform; supplying, by the resource context, the associations to the source data and resources to the transform; transforming, by the transform, the source data using the resources to produce output; and providing, by the transform, the output to the resource context.