public static IllegalStateException canNotGetAttachableFromHostVertex(final Attachable<?> attachable, final Vertex hostVertex) {
            return new IllegalStateException("Can not get the attachable from the host vertex: " + attachable + "-/->" + hostVertex);
        }
A collection of general methods of attachment. Note that more efficient methods of attachment might exist
if the user knows the source data being attached and the features of the graph that the data is being
attached to.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/util/Attachable.java