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From "Simone Tripodi (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SANDBOX-416) Improve DFS/BFS visit states
Date Sun, 25 Mar 2012 21:42:28 GMT
Improve DFS/BFS visit states
----------------------------

                 Key: SANDBOX-416
                 URL: https://issues.apache.org/jira/browse/SANDBOX-416
             Project: Commons Sandbox
          Issue Type: Improvement
          Components: Graph
            Reporter: Simone Tripodi
            Assignee: Simone Tripodi


As discussed in [ML|http://mail-archives.apache.org/mod_mbox/commons-dev/201203.mbox/%3CCAAqLGLOhZYC8qvT4TLugsnqCgw9BQ-%2BkYoGXVrKASy7PDZdeoQ%40mail.gmail.com%3E],
{{org.apache.commons.graph.visit.GraphVisitHandler}} methods that return {{boolean}} flags
can be sometimes not so intuitive.

The proposal is replacing {{boolean}} flags return statements with an enumeration values {{ABORT}},
{{CONTINUE}}, {{SKIP}} to identify

 * visit has to be immediately terminated
 * visit can continue;
 * current node children visit can be skipped.

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