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From "Jason Rutherglen" <>
Subject IndexReader.isDeleted synchronization
Date Thu, 03 Jul 2008 00:54:04 GMT
A possible solution to the IndexReader.isDeleted synchronization is to have
a delegate class that is different depending on the Java version.  For Java
1.4 the class defaults to the synchronization used now.  A Java 1.5 version
would use a volatile deletedDocs attribute.  This would provide a backwards
compatible solution and a solution for Java versions with volatile working
that can avoid the use of synchronized.

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