Added a traversal example for SimplePath step using `from()` / `to()` modulators to build two acyclic paths that cross each other and thus are not acyclic as a whole. @okram
Project: http://git-wip-us.apache.org/repos/asf/tinkerpop/repo Commit: http://git-wip-us.apache.org/repos/asf/tinkerpop/commit/38dc621a Tree: http://git-wip-us.apache.org/repos/asf/tinkerpop/tree/38dc621a Diff: http://git-wip-us.apache.org/repos/asf/tinkerpop/diff/38dc621a Branch: refs/heads/TINKERPOP-1625 Commit: 38dc621a3d50c6977d7766b36839a6fd2cb55922 Parents: b9111c9 Author: Daniel Kuppitz <daniel_kupp...@hotmail.com> Authored: Fri Mar 24 13:05:32 2017 +0100 Committer: Daniel Kuppitz <daniel_kupp...@hotmail.com> Committed: Fri Mar 24 13:05:32 2017 +0100 ---------------------------------------------------------------------- docs/src/reference/the-traversal.asciidoc | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/tinkerpop/blob/38dc621a/docs/src/reference/the-traversal.asciidoc ---------------------------------------------------------------------- diff --git a/docs/src/reference/the-traversal.asciidoc b/docs/src/reference/the-traversal.asciidoc index 31c0621..636cd33 100644 --- a/docs/src/reference/the-traversal.asciidoc +++ b/docs/src/reference/the-traversal.asciidoc @@ -2052,6 +2052,29 @@ g.V().out().as('a').out().as('b').out().as('c'). by('name') ---- +By using the `from()` and `to()` modulators traversers can ensure that only certain sections of the path are are acyclic. + +[gremlin-grovvy] +---- +g.addV().property(id, "A").as("a"). + addV().property(id, "B").as("b"). + addV().property(id, "C").as("c"). + addV().property(id, "D").as("d"). + addE("link").from("a").to("b"). + addE("link").from("b").to("c"). + addE("link").from("c").to("d").iterate() +g.V("A").repeat(both().simplePath()).times(3).path() <1> +g.V("D").repeat(both().simplePath()).times(3).path() <2> +g.V("A").as("a"). + repeat(both().simplePath().from("a")).times(3).as("b"). + repeat(both().simplePath().from("b")).times(3).path() <3> +---- + +<1> Traverse all acyclic 3-hop paths starting from vertex `A` +<2> Traverse all acyclic 3-hop paths starting from vertex `D` +<3> Traverse all acyclic 3-hop paths starting from vertex `A` and from there again all 3-hop paths. The second path may +cross the vertices from the first path. + [[store-step]] Store Step ~~~~~~~~~~
