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From "Knut Anders Hatlen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-2920) Share code between readExternal() and readExternalFromArray()
Date Mon, 12 Nov 2012 20:59:12 GMT

     [ https://issues.apache.org/jira/browse/DERBY-2920?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Knut Anders Hatlen updated DERBY-2920:
--------------------------------------

    Attachment: d2920-2a-unused.diff

Attaching d2920-2a-unused.diff, which removes the unused readExternal() methods. All the regression
tests ran cleanly with the patch.
                
> Share code between readExternal() and readExternalFromArray()
> -------------------------------------------------------------
>
>                 Key: DERBY-2920
>                 URL: https://issues.apache.org/jira/browse/DERBY-2920
>             Project: Derby
>          Issue Type: Improvement
>          Components: Services, SQL
>            Reporter: Knut Anders Hatlen
>            Assignee: Knut Anders Hatlen
>            Priority: Minor
>              Labels: derby_triage10_10
>             Fix For: 10.10.0.0
>
>         Attachments: d2920-1a.diff, d2920-2a-unused.diff, ReadInts2.java, ReadInts.java
>
>
> Most of the implementations of DataValueDescriptor.readExternalFromArray(ArrayInputStream)
are identical to their corresponding Externalizable.readExternal(ObjectInput) methods. Since
ArrayInputStream implements ObjectInput, readExternalFromArray() could in those cases just
have forwarded calls to readExternal() instead of duplicating the code. A default forwarding
implementation of readExternalFromArray() could be placed in org.apache.derby.iapi.types.DataType,
and all the existing implementations, except those with optimizations for ArrayInputStream,
could be removed.

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