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From "Runping Qi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-640) Text class constructor and setCopacity method
Date Wed, 25 Oct 2006 23:40:17 GMT
Text class constructor and setCopacity method
---------------------------------------------

                 Key: HADOOP-640
                 URL: http://issues.apache.org/jira/browse/HADOOP-640
             Project: Hadoop
          Issue Type: Bug
          Components: mapred
            Reporter: Runping Qi



A couple of problems.

1. setCapacity may cause loss of the existing data, if the new len is bigger than the old
len of the byte array.

2. Text should provide a constructor like:

Text(byte[] data,  int len) {
}

Text(byte[] data, int start, int len) {
}

Text(byte[] data,  int len, boolean noCopying) {
}

The last one above allows to save the cost of data copy if the user wants the ownership of
data to be transferred to Text object


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