Author: stliu Date: 2011-01-25 00:15:42 -0500 (Tue, 25 Jan 2011) New Revision: 20881 Modified: core/branches/Branch_3_3_2_GA_CP/core/src/main/java/org/hibernate/cache/UpdateTimestampsCache.java Log: JBPAPP-5814 HHH-5823 HHH-5824 use JUC to improve the Poor multithread performance Modified: core/branches/Branch_3_3_2_GA_CP/core/src/main/java/org/hibernate/cache/UpdateTimestampsCache.java =================================================================== --- core/branches/Branch_3_3_2_GA_CP/core/src/main/java/org/hibernate/cache/UpdateTimestampsCache.java 2011-01-25 05:14:46 UTC (rev 20880) +++ core/branches/Branch_3_3_2_GA_CP/core/src/main/java/org/hibernate/cache/UpdateTimestampsCache.java 2011-01-25 05:15:42 UTC (rev 20881) @@ -101,12 +101,10 @@ } } - public synchronized boolean isUpToDate( Set spaces, Long timestamp ) throws HibernateException { + public boolean isUpToDate( Set spaces, Long timestamp ) throws HibernateException { readWriteLock.readLock().lock(); try { - Iterator iter = spaces.iterator(); - while ( iter.hasNext() ) { - Serializable space = (Serializable) iter.next(); + for ( Serializable space : (Set<Serializable>) spaces ) { Long lastUpdate = (Long) region.get( space ); if ( lastUpdate == null ) { // the last update timestamp was lost from the cache