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From "Alessandro Presta (JIRA)" <>
Subject [jira] [Updated] (GIRAPH-586) Customizable default vertex value
Date Mon, 25 Mar 2013 16:35:17 GMT


Alessandro Presta updated GIRAPH-586:

    Attachment: GIRAPH-586.patch

Adds a VertexValueFactory that can be optionally specified by the user.
It's initialized with the configuration.
DefaultVertexValueFactory implements the current behavior (caches the vertex value class and
uses reflection).
> Customizable default vertex value
> ---------------------------------
>                 Key: GIRAPH-586
>                 URL:
>             Project: Giraph
>          Issue Type: New Feature
>            Reporter: Alessandro Presta
>            Assignee: Alessandro Presta
>         Attachments: GIRAPH-586.patch
> When Giraph implicitly adds a vertex (e.g., during edge-based input or mutations), the
vertex value is created using reflection, so it is default-initialized (e.g., a double will
be 0.0).
> For some algorithms, the default value might be something different, or even need to
be read from the configuration at run-time.

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