Package org.apache.zookeeper.client

Examples of org.apache.zookeeper.client.HostProvider

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        watchManager.defaultWatcher = watcher;

        ConnectStringParser connectStringParser = new ConnectStringParser(
                connectString);
        HostProvider hostProvider = new StaticHostProvider(
                connectStringParser.getServerAddresses());
        cnxn = new ClientCnxn(connectStringParser.getChrootPath(),
                hostProvider, sessionTimeout, this, watchManager,
                getClientCnxnSocket(), canBeReadOnly);
        cnxn.start();
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        watchManager.defaultWatcher = watcher;

        ConnectStringParser connectStringParser = new ConnectStringParser(
                connectString);
        HostProvider hostProvider = new StaticHostProvider(
                connectStringParser.getServerAddresses());
        cnxn = new ClientCnxn(connectStringParser.getChrootPath(),
                hostProvider, sessionTimeout, this, watchManager,
                getClientCnxnSocket(), sessionId, sessionPasswd, canBeReadOnly);
        cnxn.seenRwServerBefore = true; // since user has provided sessionId
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        watchManager.defaultWatcher = watcher;

        ConnectStringParser connectStringParser = new ConnectStringParser(
                connectString);
        HostProvider hostProvider = new StaticHostProvider(
                connectStringParser.getServerAddresses());
        cnxn = new ClientCnxn(connectStringParser.getChrootPath(),
                hostProvider, sessionTimeout, this, watchManager,
                getClientCnxnSocket(), canBeReadOnly);
        cnxn.start();
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        watchManager.defaultWatcher = watcher;

        ConnectStringParser connectStringParser = new ConnectStringParser(
                connectString);
        HostProvider hostProvider = new StaticHostProvider(
                connectStringParser.getServerAddresses());
        cnxn = new ClientCnxn(connectStringParser.getChrootPath(),
                hostProvider, sessionTimeout, this, watchManager,
                getClientCnxnSocket(), sessionId, sessionPasswd, canBeReadOnly);
        cnxn.seenRwServerBefore = true; // since user has provided sessionId
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public class StaticHostProviderTest extends ZKTestCase {

    @Test
    public void testNextGoesRound() throws UnknownHostException {
        HostProvider hostProvider = getHostProvider(2);
        InetSocketAddress first = hostProvider.next(0);
        assertTrue(first instanceof InetSocketAddress);
        hostProvider.next(0);
        assertEquals(first, hostProvider.next(0));
    }
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    }

    @Test
    public void testNextGoesRoundAndSleeps() throws UnknownHostException {
        int size = 2;
        HostProvider hostProvider = getHostProvider(size);
        while (size > 0) {
            hostProvider.next(0);
            --size;
        }
        long start = System.currentTimeMillis();
        hostProvider.next(1000);
        long stop = System.currentTimeMillis();
        assertTrue(900 <= stop - start);
    }
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    }

    @Test
    public void testNextDoesNotSleepForZero() throws UnknownHostException {
        int size = 2;
        HostProvider hostProvider = getHostProvider(size);
        while (size > 0) {
            hostProvider.next(0);
            --size;
        }
        long start = System.currentTimeMillis();
        hostProvider.next(0);
        long stop = System.currentTimeMillis();
        assertTrue(5 > stop - start);
    }
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    }

    @Test
    public void testTwoConsequitiveCallsToNextReturnDifferentElement()
            throws UnknownHostException {
        HostProvider hostProvider = getHostProvider(2);
        assertNotSame(hostProvider.next(0), hostProvider.next(0));
    }
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        assertNotSame(hostProvider.next(0), hostProvider.next(0));
    }

    @Test
    public void testOnConnectDoesNotReset() throws UnknownHostException {
        HostProvider hostProvider = getHostProvider(2);
        InetSocketAddress first = hostProvider.next(0);
        hostProvider.onConnected();
        InetSocketAddress second = hostProvider.next(0);
        assertNotSame(first, second);
    }
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                // 添加第二组集群列表
                for (int i = 1; i < _servers.size(); i++) {
                    String cluster = _servers.get(i);
                    // 强制获取zk中的地址信息
                    ClientCnxn cnxn = (ClientCnxn) ReflectionUtils.getField(clientCnxnField, zk);
                    HostProvider hostProvider = (HostProvider) ReflectionUtils.getField(hostProviderField, cnxn);
                    List<InetSocketAddress> serverAddrs = (List<InetSocketAddress>) ReflectionUtils.getField(serverAddressesField,
                                                                                                             hostProvider);
                    // 添加第二组集群列表
                    serverAddrs.addAll(new ConnectStringParser(cluster).getServerAddresses());
                }
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  • com.alibaba.otter.shared.arbitrate.zookeeper.ZooKeeperClientTest
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