Examples with Stat org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.data.Stat used on opensource projects

Example 31 with Stat

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.data.Stat in project pinot by linkedin.

the class PinotSegmentRebalancer method rebalanceTable.

/**
   * Rebalances a table
   * @param tableName
   * @throws Exception
   */
public void rebalanceTable(String tableName) throws Exception {
    String tableConfigPath = "/CONFIGS/TABLE/" + tableName;
    Stat stat = new Stat();
    ZNRecord znRecord = propertyStore.get(tableConfigPath, stat, 0);
    AbstractTableConfig tableConfig = AbstractTableConfig.fromZnRecord(znRecord);
    String tenantName = tableConfig.getTenantConfig().getServer().replaceAll(TableType.OFFLINE.toString(), "").replace(TableType.OFFLINE.toString(), "");
    rebalanceTable(tableName, tenantName);
}

Example 32 with Stat

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.data.Stat in project pulsar by yahoo.

the class MockZooKeeper method setData.

@Override
public Stat setData(final String path, byte[] data, int version) throws KeeperException, InterruptedException {
    final Set<Watcher> toNotify = Sets.newHashSet();
    int newVersion;
    synchronized (this) {
        checkProgrammedFail();
        if (stopped) {
            throw new KeeperException.ConnectionLossException();
        }
        if (!tree.containsKey(path)) {
            throw new KeeperException.NoNodeException();
        }
        int currentVersion = tree.get(path).second;
        // Check version
        if (version != -1 && version != currentVersion) {
            throw new KeeperException.BadVersionException(path);
        }
        newVersion = currentVersion + 1;
        log.debug("[{}] Updating -- current version: {}", path, currentVersion);
        tree.put(path, Pair.create(new String(data), newVersion));
        toNotify.addAll(watchers.get(path));
        watchers.removeAll(path);
    }
    executor.execute(() -> {
        toNotify.forEach(watcher -> watcher.process(new WatchedEvent(EventType.NodeDataChanged, KeeperState.SyncConnected, path)));
    });
    Stat stat = new Stat();
    stat.setVersion(newVersion);
    return stat;
}

Example 33 with Stat

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.data.Stat in project pulsar by yahoo.

the class MockZooKeeper method exists.

@Override
public synchronized Stat exists(String path, Watcher watcher) throws KeeperException, InterruptedException {
    checkProgrammedFail();
    if (stopped)
        throw new KeeperException.ConnectionLossException();
    if (watcher != null) {
        watchers.put(path, watcher);
    }
    if (tree.containsKey(path)) {
        Stat stat = new Stat();
        stat.setVersion(tree.get(path).second);
        return stat;
    } else {
        return null;
    }
}

Example 34 with Stat

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.data.Stat in project pulsar by yahoo.

the class MockZooKeeper method exists.

@Override
public synchronized Stat exists(String path, boolean watch) throws KeeperException, InterruptedException {
    checkProgrammedFail();
    if (stopped)
        throw new KeeperException.ConnectionLossException();
    if (tree.containsKey(path)) {
        Stat stat = new Stat();
        stat.setVersion(tree.get(path).second);
        return stat;
    } else {
        return null;
    }
}

Example 35 with Stat

use of org.apache.flink.shaded.zookeeper3.org.apache.zookeeper.data.Stat in project pulsar by yahoo.

the class LocalZooKeeperConnectionService method createIfAbsent.

public static String createIfAbsent(ZooKeeper zk, String path, byte[] data, CreateMode createMode, boolean gc) throws KeeperException, InterruptedException {
    String pathCreated = null;
    try {
        pathCreated = zk.create(path, data, Ids.OPEN_ACL_UNSAFE, createMode);
    } catch (NodeExistsException e) {
        // OK
        LOG.debug("Create skipped for existing znode: path={}", path);
    }
    // reset if what exists is the ephemeral garbage.
    if (gc && (pathCreated == null) && CreateMode.EPHEMERAL.equals(createMode)) {
        Stat stat = zk.exists(path, false);
        if (stat != null && zk.getSessionId() != stat.getEphemeralOwner()) {
            deleteIfExists(zk, path, -1);
            pathCreated = zk.create(path, data, Ids.OPEN_ACL_UNSAFE, createMode);
        }
    }
    return pathCreated;
}