Examples of edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList$COWIterator

Package edu.emory.mathcs.backport.java.util.concurrent

Examples of edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList$COWIterator

edu.emory.mathcs.backport.java.util.concurrent.CopyOnWriteArrayList
A thread-safe variant of {@link java.util.ArrayList} in which all mutativeoperations (add, set, and so on) are implemented by making a fresh copy of the underlying array.
This is ordinarily too costly, but may be more efficient than alternatives when traversal operations vastly outnumber mutations, and is useful when you cannot or don't want to synchronize traversals, yet need to preclude interference among concurrent threads. The "snapshot" style iterator method uses a reference to the state of the array at the point that the iterator was created. This array never changes during the lifetime of the iterator, so interference is impossible and the iterator is guaranteed not to throw ConcurrentModificationException. The iterator will not reflect additions, removals, or changes to the list since the iterator was created. Element-changing operations on iterators themselves (remove, set, and add) are not supported. These methods throw UnsupportedOperationException.
All elements are permitted, including null.
This class is a member of the Java Collections Framework. @since 1.5 @author Doug Lea

        this.dispatcherHolder = dispatcherHolder;
        this.repManagerFactory = repManagerFactory;
        this.repStorageFactory = repStorageFactory;
        this.backingStrategyFactory = backingStrategyFactory;


        listeners = new CopyOnWriteArrayList();
    }

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        _numPartitions = numPartitions;
        _sweepInterval = sweepInterval;
        _enableReplication = enableReplication;
        _deltaReplication = deltaReplication;
        
        _listeners = new CopyOnWriteArrayList();


        HashSessionIdManager sessionIdManager = new HashSessionIdManager();
        sessionIdManager.setWorkerName(wadiCluster.getNodeName());
        setIdManager(sessionIdManager);

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            if (attributeListeners == null)
            {
                synchronized (lock)
                {
                    if (attributeListeners == null)
                        attributeListeners = new CopyOnWriteArrayList();
                }
            }


            attributeListeners.addIfAbsent(listener);
        }

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            if (destroyedListeners == null)
            {
                synchronized (lock)
                {
                    if (destroyedListeners == null)
                        destroyedListeners = new CopyOnWriteArrayList();
                }
            }
            
            destroyedListeners.addIfAbsent(listener);
        }

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        if (messageClients == null)
        {
            synchronized (lock)
            {
                if (messageClients == null)
                    messageClients = new CopyOnWriteArrayList();
            }
        }
        
        if (messageClients.addIfAbsent(messageClient))
        {

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            if (destroyedListeners == null)
            {
                synchronized (lock)
                {
                    if (destroyedListeners == null)
                        destroyedListeners = new CopyOnWriteArrayList();
                }
            }
                        
            destroyedListeners.addIfAbsent(listener);
        }

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    /**
     * Creates a new instance with an empty filter list.
     */
    public DefaultIoFilterChainBuilder() {
        entries = new CopyOnWriteArrayList();
    }

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        this.componentRegistry = new ComponentRegistry(this);
        this.endpointRegistry = new EndpointRegistry(this);
        this.subscriptionRegistry = new SubscriptionRegistry(this);
        this.serviceAssemblyRegistry = new ServiceAssemblyRegistry(this);
        this.serviceUnits = new ConcurrentHashMap();
        this.pendingAssemblies = new CopyOnWriteArrayList();
        this.sharedLibraries = new ConcurrentHashMap();
        this.pendingComponents = new CopyOnWriteArrayList();
    }

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            if (attributeListeners == null)
            {
                synchronized (lock)
                {
                    if (attributeListeners == null)
                        attributeListeners = new CopyOnWriteArrayList();
                }
            }


            attributeListeners.addIfAbsent(listener);
        }

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            if (destroyedListeners == null)
            {
                synchronized (lock)
                {
                    if (destroyedListeners == null)
                        destroyedListeners = new CopyOnWriteArrayList();
                }
            }
            
            destroyedListeners.addIfAbsent(listener);
        }

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