terraform/terraform/transform.go

22 lines
645 B
Go
Raw Normal View History

package terraform
2015-02-08 00:39:57 +01:00
import (
"github.com/hashicorp/terraform/dag"
)
// GraphTransformer is the interface that transformers implement. This
// interface is only for transforms that need entire graph visibility.
type GraphTransformer interface {
Transform(*Graph) error
}
2015-02-08 00:39:57 +01:00
// GraphVertexTransformer is an interface that transforms a single
// Vertex within with graph. This is a specialization of GraphTransformer
// that makes it easy to do vertex replacement.
//
// The GraphTransformer that runs through the GraphVertexTransformers is
// VertexTransformer.
type GraphVertexTransformer interface {
Transform(dag.Vertex) (dag.Vertex, error)
}