tests/org.eclipse.qvtd.xtext.qvtimperative.tests/models/Graph2GraphMinimal/Graph2GraphMinimal.qvti

import SimpleGraph : 'SimpleGraph.ecore'::simplegraph;
import SimpleGraph2Graph : 'SimpleGraph2Graph.ecore'::simplegraph2graph;

transformation CopyGraphMinimal {
	upperGraph imports SimpleGraph;
	lowerGraph imports SimpleGraph;
	middle imports SimpleGraph2Graph;

	map graph2graphLM {
		guard:upperGraph g1:Graph;
		new:middle g2g:Graph2Graph;
	    set g2g.graph1 := g1;
	    set g2g.name := g1.name;
	    call graph2graphMR {
	    	g2gout uses g2g;
	    }
	}

	map graph2graphMR {
		in:middle g2gout:Graph2Graph;
	    new:lowerGraph g2:Graph;
	    set g2gout.graph2 := g2;
	    set g2.name := g2gout.name;
	}
	
	entry __root__ input upperGraph output lowerGraph {
	    for g1 : SimpleGraph::Graph in SimpleGraph::Graph.allInstances() {
	        call graph2graphLM {
	            g1 iterates g1;
	        }
	    }
	}
}