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https://issues.apache.org/jira/browse/LUCENE-3761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13207020#comment-13207020
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Simon Willnauer commented on LUCENE-3761:
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bq. For 3.x, is it possible to have maybeReopen still (final+deprecated, calls
maybeRefresh) ?
+1
bq. If nobody objects, I'd like to rename maybeRefresh to just refresh, and
commit it. Otherwise, I'll commit what I have.
I think we should reflect the "try" / "maybe" in the name since this operation
is non-blocking. I designed this to work nicely with an async system where
multiple refresh ops can come in concurrently. this method shouldn't block if
we are already refreshing. That said I think we should either use maybe or try
as a prefix for the method name.
> Generalize SearcherManager
> --------------------------
>
> Key: LUCENE-3761
> URL: https://issues.apache.org/jira/browse/LUCENE-3761
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/search
> Reporter: Shai Erera
> Assignee: Shai Erera
> Priority: Minor
> Fix For: 3.6, 4.0
>
> Attachments: LUCENE-3761.patch, LUCENE-3761.patch, LUCENE-3761.patch
>
>
> I'd like to generalize SearcherManager to a class which can manage instances
> of a certain type of interfaces. The reason is that today SearcherManager
> knows how to handle IndexSearcher instances. I have a SearcherManager which
> manages a pair of IndexSearcher and TaxonomyReader pair.
> Recently, few concurrency bugs were fixed in SearcherManager, and I realized
> that I need to apply them to my version as well. Which led me to think why
> can't we have an SM version which is generic enough so that both my version
> and Lucene's can benefit from?
> The way I see SearcherManager, it can be divided into two parts: (1) the part
> that manages the logic of acquire/release/maybeReopen (i.e., ensureOpen,
> protect from concurrency stuff etc.), and (2) the part which handles
> IndexSearcher, or my SearcherTaxoPair. I'm thinking that if we'll have an
> interface with incRef/decRef/tryIncRef/maybeRefresh, we can make
> SearcherManager a generic class which handles this interface.
> I will post a patch with the initial idea, and we can continue from there.
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