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From "Paulex Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-42) com.ibm.io.nio.FileChannel is not fully implemented
Date Wed, 25 Jan 2006 13:16:10 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-42?page=all ]

Paulex Yang updated HARMONY-42:
-------------------------------

    Attachment: Harmony42-IFileSystem-patch.txt
                Harmony42-IMemorySystem-patch.txt

Sorry that I didn't tell the whole story, the mmap related functions are moved to IMemorySystem,
because most of other mmap related functions, such as load, isLoad and flush are all memory
operations, and I think the IMemorySystem is more appropriate place to hold them. 

About the IFileSystem itself, 4 methods are modifed, all of them are not fully implemented
in current Harmony code base, and 3 methods are added. Diff patches are attached for your
detail information.

> com.ibm.io.nio.FileChannel is not fully implemented
> ---------------------------------------------------
>
>          Key: HARMONY-42
>          URL: http://issues.apache.org/jira/browse/HARMONY-42
>      Project: Harmony
>         Type: Bug
>   Components: Classlib
>     Reporter: Paulex Yang
>     Assignee: Tim Ellison
>  Attachments: Harmony42-IFileSystem-patch.txt, Harmony42-IMemorySystem-patch.txt, IFileSystem.java
>
> Many functions of FileChannel, such as memory map, transfer, gathering/scattering I/O
are not implemented. Further, three classes in java.io, FileInputStream FileOutputStream,
and RandomAccessFile, are related to java.nio.FileChannel, so that they can be refactored
to base on same JNI interface, just like the network channels and sockets. 

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