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Apr 22, 2012, 2:51 AM
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[jira] [Commented] (LUCENE-4009) Implement toString() method in TermsFilter
[In reply to]
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[ https://issues.apache.org/jira/browse/LUCENE-4009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13259063#comment-13259063 ]
Tim Costermans commented on LUCENE-4009:
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Hey Chris,
Basically all the subclasses of org.apache.lucene.search.Filter should implement their own toString() method.
Maybe this can be enforced by adding this to the Filter class.
{code}
@Override
public abstract String toString();
{code}
I was going to investigate this, but this will be something for next week.
> Implement toString() method in TermsFilter
> ------------------------------------------
>
> Key: LUCENE-4009
> URL: https://issues.apache.org/jira/browse/LUCENE-4009
> Project: Lucene - Java
> Issue Type: Improvement
> Components: modules/other
> Affects Versions: 3.5, 3.6
> Reporter: Tim Costermans
> Priority: Trivial
> Attachments: LUCENE-4009__Improved_previous_implementation_of__toString()_method_in_TermsFilter_+_added.patch, LUCENE-4009__implemented_toString()_method_in_TermsFilter_.patch
>
>
> LUCENE-1049 introduced a enhanced implementation of the toString() method in the BooleanFilter clause.
> This was an improvement, however I'm still seeing a lot Lucene filter classes not overriding the toString method resulting in a toString returning the classname and the hashcode of the object.
> This can be useful sometimes, but it's totally not useful in my case.
> I want to see the properties set in the filters so I know which Lucene query was created.
> Now:
> BooleanFilter(+BooleanFilter(BooleanFilter(+org.apache.lucene.search.TermsFilter [at] ea81ba6 +org.apache.lucene.search.TermsFilter [at] 26ea3cb) BooleanFilter(+org.apache.lucene.search.TermsFilter [at] df621f0 +org.apache.lucene.search.TermsFilter [at] 2f71244)))
> Wanted behavior:
> BooleanFilter(+BooleanFilter(BooleanFilter(+inStock:Y +barCode:12345678) BooleanFilter(+isHeavy:N +isDamaged:Y)))
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