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https://issues.apache.org/jira/browse/LUCENE-1796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741447#action_12741447
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Uwe Schindler edited comment on LUCENE-1796 at 8/10/09 11:04 AM:
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I have another idea:
Why not make the AttributeImpls itsself a linked list. So each AttributeImpl
gets a member called "nextAttributeImpl" for the linked list. Whenever an
AttributeImpl is added to an AttributeSource, the last added AttributeImpl's
next is set to the added one. By this iterating over AttributeImpls is just a
simple for-loop from the first attribute. The AttributeSource must hold a
reference to the first and last Attribute, but only one-direction linkage from
first to last.
As Attributes can only added to one AttributeSource and not to multiple ones, I
see no problem with it. And AttributeImpls can also not removed, so no problem
at all.
was (Author: thetaphi):
I have another idea:
Why not make the AttributeImpls itsself a linked list. So each AttributeImpl
gets a member called "prevAttributeImpl" that is the staring point. Whenever an
AttributeImpl is added to an AttributeSource, the prevAttributeImpl is set to
the previously added one. By this iterating over AttributeImpls is just a
simple for-loop from the first attribute.
As Attributes can only added to one AttributeSource and not to multiple ones, I
see no problem with it. And AttributeImpls can also not removed, so no problem
at all.
> Speed up repeated TokenStream init
> ----------------------------------
>
> Key: LUCENE-1796
> URL: https://issues.apache.org/jira/browse/LUCENE-1796
> Project: Lucene - Java
> Issue Type: Improvement
> Reporter: Mark Miller
> Assignee: Uwe Schindler
> Fix For: 2.9
>
> Attachments: LUCENE-1796.patch, LUCENE-1796.patch, LUCENE-1796.patch
>
>
> by caching isMethodOverridden results
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