Package org.apache.zookeeper.recipes.queue

Examples of org.apache.zookeeper.recipes.queue.DistributedQueue

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    public void testOffer1() throws Exception {
        String dir = "/testOffer1";
        String testString = "Hello World";
        final int num_clients = 1;
        ZooKeeper clients[] = new ZooKeeper[num_clients];
        DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        queueHandles[0].offer(testString.getBytes());

        byte dequeuedBytes[] = queueHandles[0].remove();
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    public void testOffer2() throws Exception {
        String dir = "/testOffer2";
        String testString = "Hello World";
        final int num_clients = 2;
        ZooKeeper clients[] = new ZooKeeper[num_clients];
        DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        queueHandles[0].offer(testString.getBytes());

        byte dequeuedBytes[] = queueHandles[1].remove();
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    public void testTake1() throws Exception {
        String dir = "/testTake1";
        String testString = "Hello World";
        final int num_clients = 1;
        ZooKeeper clients[] = new ZooKeeper[num_clients];
        DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        queueHandles[0].offer(testString.getBytes());

        byte dequeuedBytes[] = queueHandles[0].take();
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    public void testRemove1() throws Exception{
        String dir = "/testRemove1";
        String testString = "Hello World";
        final int num_clients = 1;
        ZooKeeper clients[] = new ZooKeeper[num_clients];
        DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        try{
            queueHandles[0].remove();
        }catch(NoSuchElementException e){
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    public void createNremoveMtest(String dir,int n,int m) throws Exception{
        String testString = "Hello World";
        final int num_clients = 2;
        ZooKeeper clients[] = new ZooKeeper[num_clients];
        DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        for(int i=0; i< n; i++){
            String offerString = testString + i;
            queueHandles[0].offer(offerString.getBytes());
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    public void createNremoveMelementTest(String dir,int n,int m) throws Exception{
        String testString = "Hello World";
        final int num_clients = 2;
        ZooKeeper clients[] = new ZooKeeper[num_clients];
        DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        for(int i=0; i< n; i++){
            String offerString = testString + i;
            queueHandles[0].offer(offerString.getBytes());
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    public void testTakeWait1() throws Exception{
        String dir = "/testTakeWait1";
        final String testString = "Hello World";
        final int num_clients = 1;
        final ZooKeeper clients[] = new ZooKeeper[num_clients];
        final DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }

        final byte[] takeResult[] = new byte[1][];
        Thread takeThread = new Thread(){
            public void run(){
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    public void testTakeWait2() throws Exception{
        String dir = "/testTakeWait2";
        final String testString = "Hello World";
        final int num_clients = 1;
        final ZooKeeper clients[] = new ZooKeeper[num_clients];
        final DistributedQueue queueHandles[] = new DistributedQueue[num_clients];
        for(int i=0; i < clients.length; i++){
            clients[i] = createClient();
            queueHandles[i] = new DistributedQueue(clients[i], dir, null);
        }
        int num_attempts =2;
        for(int i=0; i< num_attempts; i++){
            final byte[] takeResult[] = new byte[1][];
            final String threadTestString = testString + i;
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Related Classes of org.apache.zookeeper.recipes.queue.DistributedQueue

  • org.apache.zookeeper.recipes.queue.DistributedQueueTest
  • java.util.concurrent.CountDownLatch
  • java.util.NoSuchElementException
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