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From "Mike Drob (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ACCUMULO-2647) Replace String comparison if-then-else with switch
Date Mon, 07 Apr 2014 20:19:17 GMT
Mike Drob created ACCUMULO-2647:
-----------------------------------

             Summary: Replace String comparison if-then-else with switch
                 Key: ACCUMULO-2647
                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2647
             Project: Accumulo
          Issue Type: Improvement
          Components: start
    Affects Versions: 1.6.0
            Reporter: Mike Drob
             Fix For: 1.7.0


In o.a.a.start.Main we have a giant if-then-else ladder for determining which class to use.
With Java 7, we can replace this with a switch statement.

bq. The switch statement compares the String object in its expression with the expressions
associated with each case label as if it were using the String.equals method; consequently,
the comparison of String objects in switch statements is case sensitive. The Java compiler
generates generally more efficient bytecode from switch statements that use String objects
than from chained if-then-else statements.



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