gistfile1.groovy

gremlin> result = g.compute().program(LambdaVertexProgram.build().
gremlin>   execute(new GSTriConsumer("a.property('counter', c.isInitialIteration() ? 1 : ++a.value('counter'))")).
gremlin>   terminate(new GSPredicate('a.iteration > 9')).
gremlin>   elementComputeKeys('counter',VARIABLE).create()).submit().get()
==>result[tinkergraph[vertices:6 edges:6],sideEffects[size:0]]
gremlin> result.graph.V.counter
==>10
==>10
==>10
==>10
==>10
==>10