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From "Jan van der Lugt (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-187) SequenceFileVertexInputFormat has WritableComparable<I> as a bounded type for I
Date Wed, 18 Apr 2012 20:28:43 GMT
SequenceFileVertexInputFormat has WritableComparable<I> as a bounded type for I
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                 Key: GIRAPH-187
                 URL: https://issues.apache.org/jira/browse/GIRAPH-187
             Project: Giraph
          Issue Type: Bug
          Components: lib
    Affects Versions: 0.2.0
            Reporter: Jan van der Lugt
            Priority: Minor


This is the first JIRA I ever file, so please let me know if I'm not doing this right.
Basically, SequenceFileVertexInputFormat has WritableComparable<I> as a bounded type
for I, while the Hadoop serializable data types implement WritableComparable. Because of this,
I suspect TextVertexInputFormat only has WritableComparable as a bounded type for I and has
a SuppressWarnings("rawtypes") annotation. I think SequenceFileVertexInputFormat should follow
the same style, otherwise it's not possible to use, for example, IntComparable as vertex id
type in a SequenceVertexInputFormat.

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