Examples of EDU.oswego.cs.dl.util.concurrent.ReentrantWriterPreferenceReadWriteLock

Package EDU.oswego.cs.dl.util.concurrent

Examples of EDU.oswego.cs.dl.util.concurrent.ReentrantWriterPreferenceReadWriteLock

EDU.oswego.cs.dl.util.concurrent.ReentrantWriterPreferenceReadWriteLock
ade lock: rwl.readLock().release(); // must release first to obtain writelock rwl.writeLock().acquire(); if (!cacheValid) { // recheck data = ... cacheValid = true; } // downgrade lock rwl.readLock().acquire(); // reacquire read without giving up lock rwl.writeLock().release(); // release write, still hold read } use(data); rwl.readLock().release(); } }
[ Introduction to this package. ] @see ReentrantLock


      // We're using reentrant locks because we will need to to acquire read locks after write locks
      // have been already acquired. There is also a case when a readLock will be promoted to
      // writeLock when a failover occurs; using reentrant locks will make this usage transparent
      // for the API, we just close the valve and the read lock is promoted to write lock.
      lock = new ReentrantWriterPreferenceReadWriteLock();


      this.writeLockAttemptTimeout = attemptTiemout;


      if (trace)
      {

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                         TransactionRepository tr, FilterFactory filterFactory,
                         ConditionFactory conditionFactory)
   {
      super (ds, tm, sqlProperties, createTablesOnStartup);


      lock = new ReentrantWriterPreferenceReadWriteLock();


      nameMaps = new LinkedHashMap();


      conditionMap = new LinkedHashMap();

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public class ReadWriteLockTest extends TestCase {
    Sync rl, wl;


    protected void setUp() throws Exception {
        super.setUp();
        ReadWriteLock l=new ReentrantWriterPreferenceReadWriteLock();
        rl=l.readLock();
        wl=l.writeLock();
    }

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      this.channelIDManager = channelIDManager;
      
      this.clusterNotifier = clusterNotifier;


      lock = new ReentrantWriterPreferenceReadWriteLock();
       
      waitForBindUnbindLock = new Object();
   }

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      this.channelIDManager = channelIDManager;
      
      this.clusterNotifier = clusterNotifier;


      lock = new ReentrantWriterPreferenceReadWriteLock();
       
      waitForBindUnbindLock = new Object();
   }

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      this.channelIDManager = channelIDManager;
      
      this.clusterNotifier = clusterNotifier;


      lock = new ReentrantWriterPreferenceReadWriteLock();
       
      waitForBindUnbindLock = new Object();
   }

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      this.channelIDManager = channelIDManager;
      
      this.clusterNotifier = clusterNotifier;


      lock = new ReentrantWriterPreferenceReadWriteLock();
       
      waitForBindUnbindLock = new Object();
   }

View Full Code Here


      // We're using reentrant locks because we will need to to acquire read locks after write locks
      // have been already acquired. There is also a case when a readLock will be promoted to
      // writeLock when a failover occurs; using reentrant locks will make this usage transparent
      // for the API, we just close the valve and the read lock is promoted to write lock.
      lock = new ReentrantWriterPreferenceReadWriteLock();


      this.writeLockAttemptTimeout = attemptTiemout;


      if (trace)
      {

View Full Code Here

      
      this.channelIDManager = channelIDManager;
      
      this.clusterNotifier = clusterNotifier;


      lock = new ReentrantWriterPreferenceReadWriteLock();
       
      waitForBindUnbindLock = new Object();
   }

View Full Code Here

      
      this.channelIDManager = channelIDManager;
      
      this.clusterNotifier = clusterNotifier;


      lock = new ReentrantWriterPreferenceReadWriteLock();
       
      waitForBindUnbindLock = new Object();
   }

View Full Code Here

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