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From Erik Hatcher <>
Subject Re: svn commit: r156600 - in lucene/java/trunk/src: java/org/apache/lucene/queryParser/precedence/ java/org/apache/lucene/queryParser/precedence/PrecedenceQueryParser.jj test/org/apache/lucene/queryParser/precedence/
Date Wed, 09 Mar 2005 17:58:44 GMT

On Mar 9, 2005, at 9:37 AM, Daniel Naber wrote:

> On Wednesday 09 March 2005 10:52, Erik Hatcher wrote:
>> It's a nuisance to have that static method when making a subclass of
>> QueryParser - since static methods are not overridable it would be 
>> easy
>> to mistakenly call the parent static parse method which would
>> instantiate QueryParser rather than QueryParserSubclass.
> Sorry, I still don't understand: I just implemented MyQueryParser which
> extends QueryParser as a test that has a method static public Query
> parse(String expression, String field, Analyzer analyzer). When I call
> MyQueryParser.parse(...), my method is called, as I would have 
> expected.

Sorry for the confusion - yes, you're absolutely right.  static methods 
don't get overridden but they "hide" the superclass method.

I still feel that static methods are more trouble than they are worth 
for a query parser, but it's not a huge deal.


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