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From "Simone Tripodi (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (SANDBOX-404) Simplify weight model
Date Fri, 09 Mar 2012 23:30:57 GMT

    [ https://issues.apache.org/jira/browse/SANDBOX-404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226589#comment-13226589
] 

Simone Tripodi edited comment on SANDBOX-404 at 3/9/12 11:29 PM:
-----------------------------------------------------------------

Hi Claudio,
unfortunately the patch you committed doesn't work when launching tests from CLI (OTOH works
well inside eclipse), follows below the errors I got:

{code}
$ svn info
Path: .
URL: https://svn.apache.org/repos/asf/commons/sandbox/graph/trunk
Repository Root: https://svn.apache.org/repos/asf
Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68
Revision: 1299097
Node Kind: directory
Schedule: normal
Last Changed Author: cs
Last Changed Rev: 1298136
Last Changed Date: 2012-03-07 22:34:21 +0100 (Wed, 07 Mar 2012)

...

mvn clean test

...

[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/shortestpath/BellmannFordTestCase.java:[77,63]
type parameters of <WO>org.apache.commons.graph.shortestpath.AllVertexPairsShortestPath<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double,WO>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/KruskalTestCase.java:[71,77]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/shortestpath/AStarTestCase.java:[98,65]
type parameters of <WO>org.apache.commons.graph.shortestpath.HeuristicBuilder<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double,org.apache.commons.graph.model.UndirectedMutableWeightedGraph<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>,WO>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/ReverseDeleteTestCase.java:[53,67]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/PrimTestCase.java:[71,77]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/shortestpath/DijkstraTestCase.java:[69,68]
type parameters of <WO>org.apache.commons.graph.WeightedPath<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/BoruvkaTestCase.java:[71,77]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[INFO] 7 errors 
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 47.856s
[INFO] Finished at: Sat Mar 10 00:23:30 CET 2012
[INFO] Final Memory: 16M/2039M
[INFO] ------------------------------------------------------------------------
{code}

I am going to partially merge it on my experimental branch
                
      was (Author: simone.tripodi):
    Hi Claudio,
unfortunately the patch you committed doesn't work when launching tests from CLI (OTOH works
well inside eclipse), follows below the errors I got:

{code}
$ svn info
Path: .
URL: https://svn.apache.org/repos/asf/commons/sandbox/graph/trunk
Repository Root: https://svn.apache.org/repos/asf
Repository UUID: 13f79535-47bb-0310-9956-ffa450edef68
Revision: 1299097
Node Kind: directory
Schedule: normal
Last Changed Author: cs
Last Changed Rev: 1298136
Last Changed Date: 2012-03-07 22:34:21 +0100 (Wed, 07 Mar 2012)

...

mvn clean test

...

[ERROR] COMPILATION ERROR : 
[INFO] -------------------------------------------------------------
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/shortestpath/BellmannFordTestCase.java:[77,63]
type parameters of <WO>org.apache.commons.graph.shortestpath.AllVertexPairsShortestPath<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double,WO>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/KruskalTestCase.java:[71,77]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/shortestpath/AStarTestCase.java:[98,65]
type parameters of <WO>org.apache.commons.graph.shortestpath.HeuristicBuilder<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double,org.apache.commons.graph.model.UndirectedMutableWeightedGraph<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>,WO>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/ReverseDeleteTestCase.java:[53,67]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/PrimTestCase.java:[71,77]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/shortestpath/DijkstraTestCase.java:[69,68]
type parameters of <WO>org.apache.commons.graph.WeightedPath<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[ERROR] /private/tmp/graph/src/test/java/org/apache/commons/graph/spanning/BoruvkaTestCase.java:[71,77]
type parameters of <WO>org.apache.commons.graph.SpanningTree<org.apache.commons.graph.model.BaseLabeledVertex,org.apache.commons.graph.model.BaseLabeledWeightedEdge<java.lang.Double>,java.lang.Double>
cannot be determined; no unique maximal instance exists for type variable WO with upper bounds
java.lang.Object,org.apache.commons.graph.weight.Monoid<java.lang.Double>,java.util.Comparator<java.lang.Double>
[INFO] 7 errors 
[INFO] -------------------------------------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 47.856s
[INFO] Finished at: Sat Mar 10 00:23:30 CET 2012
[INFO] Final Memory: 16M/2039M
[INFO] ------------------------------------------------------------------------
{code}
                  
> Simplify weight model
> ---------------------
>
>                 Key: SANDBOX-404
>                 URL: https://issues.apache.org/jira/browse/SANDBOX-404
>             Project: Commons Sandbox
>          Issue Type: Improvement
>          Components: Graph
>            Reporter: Simone Tripodi
>         Attachments: SANDBOX-404.patch, SANDBOX-404_FromMonoidToAddition.patch, SANDBOX-404_gettingRidOfOrderedMonoid.patch
>
>
> As discussed on {{dev@}}, {{Zero}}, {{Semigroup}} and {{Monoid}} can be merged directly
in one single interface

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