loops

Get the number of times a query has gone through a particular loop.

Synopsis

loops()
Table 1. Legend
Syntax conventions Description
Lowercase and uppercase Literal keyword. Includes ().
Italics Variable value. Replace with a user-defined value.
[] Optional. Square brackets ( [] ) surround optional command arguments. Do not type the square brackets.
{} Group. Braces ( {} ) identify a group to choose from. Do not type the braces.
| Or. A vertical bar ( | ) separates alternative elements. Type any one of the elements. Do not type the vertical bar.
... Repeatable. An ellipsis ( ... ) indicates that you can repeat the syntax element as often as required.

Description

The loops() step is a map step that extracts the number of times the traverser has gone through the current loop.

Examples

g.V().hasLabel('person','name','John Doe').
  repeat(out('knows').dedup().
         aggregate('x').
           by(project('person','level').
                by('name').
                by(loops())
           )
    ).
    until(__.not(out('knows').simplePath())).
  cap('x').next()