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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6891) Investigate concurrency improvements to DerbyObservable and DerbyObserver
Date Tue, 07 Jun 2016 01:48:20 GMT
Rick Hillegas created DERBY-6891:
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             Summary: Investigate concurrency improvements to DerbyObservable and DerbyObserver
                 Key: DERBY-6891
                 URL: https://issues.apache.org/jira/browse/DERBY-6891
             Project: Derby
          Issue Type: Improvement
          Components: Store
            Reporter: Rick Hillegas


As part of derby-6856, we introduced a pair of classes which manage callbacks between classes
in the Store layer. The classes are DerbyObservable and DerbyObserver. They replace the deprecated
Observer and Observable classes in the JVM and allow Derby to build without deprecation warnings.
Right now, callbacks are managed by a Vector. It is quite likely that the concurrency of these
classes (and therefore of the Store layer) could be boosted by using some mechanism from java.util.concurrent.



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