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https://issues.apache.org/jira/browse/SOLR-912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12785818#action_12785818
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Noble Paul commented on SOLR-912:
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Type safety is generally not required in NamedList. very often we use
heterogeneous NamedList.
Creating an Entry Object per entry is memory inefficient compared to the
existing one.
type safety is there for the users of NamedList API even now. Internally how we
manage it is not so important i feel
> org.apache.solr.common.util.NamedList - Typesafe efficient variant -
> ModernNamedList introduced - implementing the same API as NamedList
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-912
> URL: https://issues.apache.org/jira/browse/SOLR-912
> Project: Solr
> Issue Type: Improvement
> Components: search
> Environment: Tomcat 6, JRE 6, Solr 1.3+ nightlies
> Reporter: Kay Kay
> Priority: Minor
> Attachments: NLProfile.java, SOLR-912.patch, SOLR-912.patch
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> The implementation of NamedList - while being fast - is not necessarily
> type-safe. I have implemented an additional implementation of the same -
> ModernNamedList (a type-safe variation providing the same interface as
> NamedList) - while preserving the semantics in terms of ordering of elements
> and allowing null elements for key and values (keys are always Strings ,
> while values correspond to generics ).
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