David Smiley created LUCENE-6033:
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Summary: Add CachingTokenFilter.isCached and switch LinkedList to
ArrayList
Key: LUCENE-6033
URL: https://issues.apache.org/jira/browse/LUCENE-6033
Project: Lucene - Core
Issue Type: Improvement
Reporter: David Smiley
Assignee: David Smiley
Fix For: 5.0
CachingTokenFilter could use a simple boolean isCached() method implemented
as-such:
{code:java}
/** If the underlying token stream was consumed and cached */
public boolean isCached() {
return cache != null;
}
{code}
It's useful for the highlighting code to remove its wrapping of
CachingTokenFilter if after handing-off to parts of its framework it turns out
that it wasn't used.
Furthermore, use an ArrayList, not a LinkedList. ArrayList is leaner when the
token count is high, and this class doesn't manipulate the list in a way that
might favor LL.
A separate patch will come that actually uses this method.
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