public void setComputerTraversal(final Traversal.Admin<?,?> computerTraversal) {
        this.computerTraversal = new PureTraversal<>(computerTraversal);
        this.integrateChild(this.computerTraversal.get());
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/computer/traversal/step/map/TraversalVertexProgramStep.java