protected void complete() {
        // remove all transient properties from the vertices
        for (final VertexComputeKey computeKey : this.computeKeys.values()) {
            if (computeKey.isTransient()) {
                for (final Map<String, List<VertexProperty<?>>> properties : this.computeProperties.values()) {
                    properties.remove(computeKey.getKey());
                }
            }
        }
    }
@author Marko A. Rodriguez (http://markorodriguez.com)
tinkergraph-gremlin/src/main/java/org/apache/tinkerpop/gremlin/tinkergraph/process/computer/TinkerGraphComputerView.java