Examples of ZooCache

org.apache.accumulo.core.zookeeper.ZooCache
Caches values stored in zookeeper and keeps them up to date as they change in zookeeper.
org.apache.accumulo.fate.zookeeper.ZooCache
Caches values stored in zookeeper and keeps them up to date as they change in zookeeper.
org.apache.accumulo.server.zookeeper.ZooCache

Examples of org.apache.accumulo.fate.zookeeper.ZooCache

    });
  }


  @Override
  public List<String> getTabletServers() {
    ZooCache cache = new ZooCacheFactory().getZooCache(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
    String path = ZooUtil.getRoot(instance) + Constants.ZTSERVERS;
    List<String> results = new ArrayList<String>();
    for (String candidate : cache.getChildren(path)) {
      List<String> children = cache.getChildren(path + "/" + candidate);
      if (children != null && children.size() > 0) {
        List<String> copy = new ArrayList<String>(children);
        Collections.sort(copy);
        byte[] data = cache.get(path + "/" + candidate + "/" + copy.get(0));
        if (data != null && !"master".equals(new String(data, Constants.UTF8))) {
          results.add(candidate);
        }
      }
    }

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache


  private synchronized ZooCachePropertyAccessor getPropCacheAccessor() {
    if (propCacheAccessor == null) {
      synchronized (propCaches) {
        PropCacheKey key = new PropCacheKey(inst.getInstanceID(), namespaceId);
        ZooCache propCache = propCaches.get(key);
        if (propCache == null) {
          propCache = zcf.getZooCache(inst.getZooKeepers(), inst.getZooKeepersSessionTimeOut(), new NamespaceConfWatcher(inst));
          propCaches.put(key, propCache);
        }
        propCacheAccessor = new ZooCachePropertyAccessor(propCache);

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache


    ZooConfiguration config;
    synchronized (instances) {
      config = instances.get(instanceId);
      if (config == null) {
        ZooCache propCache;
        if (inst == null) {
          propCache = zcf.getZooCache(parent.get(Property.INSTANCE_ZK_HOST), (int) parent.getTimeInMillis(Property.INSTANCE_ZK_TIMEOUT));
        } else {
          propCache = zcf.getZooCache(inst.getZooKeepers(), inst.getZooKeepersSessionTimeOut());
        }

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

    }
    return new ZooCacheFactory().getZooCache(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
  }


  private static SortedMap<String,String> getMap(Instance instance, boolean nameAsKey) {
    ZooCache zc = getZooCache(instance);


    List<String> namespaceIds = zc.getChildren(ZooUtil.getRoot(instance) + Constants.ZNAMESPACES);


    TreeMap<String,String> namespaceMap = new TreeMap<String,String>();


    for (String id : namespaceIds) {
      byte[] path = zc.get(ZooUtil.getRoot(instance) + Constants.ZNAMESPACES + "/" + id + Constants.ZNAMESPACE_NAME);
      if (path != null) {
        if (nameAsKey)
          namespaceMap.put(new String(path, Constants.UTF8), id);
        else
          namespaceMap.put(id, new String(path, Constants.UTF8));

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

    }
    return namespaceMap;
  }


  public static boolean exists(Instance instance, String namespaceId) {
    ZooCache zc = getZooCache(instance);
    List<String> namespaceIds = zc.getChildren(ZooUtil.getRoot(instance) + Constants.ZNAMESPACES);
    return namespaceIds.contains(namespaceId);
  }

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

    }
    return new ZooCacheFactory().getZooCache(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
  }


  private static SortedMap<String,String> getMap(Instance instance, boolean nameAsKey) {
    ZooCache zc = getZooCache(instance);


    List<String> tableIds = zc.getChildren(ZooUtil.getRoot(instance) + Constants.ZTABLES);
    TreeMap<String,String> tableMap = new TreeMap<String,String>();
    Map<String,String> namespaceIdToNameMap = new HashMap<String,String>();


    for (String tableId : tableIds) {
      byte[] tableName = zc.get(ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId + Constants.ZTABLE_NAME);
      byte[] nId = zc.get(ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId + Constants.ZTABLE_NAMESPACE);
      String namespaceName = Namespaces.DEFAULT_NAMESPACE;
      // create fully qualified table name
      if (nId == null) {
        namespaceName = null;
      } else {

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

  public static SortedMap<String,String> getIdToNameMap(Instance instance) {
    return getMap(instance, false);
  }


  public static boolean exists(Instance instance, String tableId) {
    ZooCache zc = getZooCache(instance);
    List<String> tableIds = zc.getChildren(ZooUtil.getRoot(instance) + Constants.ZTABLES);
    return tableIds.contains(tableId);
  }

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

    return tableId == null ? String.format("%s(?)", tableName) : String.format("%s(ID:%s)", tableName, tableId);
  }


  public static TableState getTableState(Instance instance, String tableId) {
    String statePath = ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId + Constants.ZTABLE_STATE;
    ZooCache zc = getZooCache(instance);
    byte[] state = zc.get(statePath);
    if (state == null)
      return TableState.UNKNOWN;


    return TableState.valueOf(new String(state, Constants.UTF8));
  }

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

   *           if the table doesn't exist in ZooKeeper
   */
  public static String getNamespaceId(Instance instance, String tableId) throws IllegalArgumentException {
    ArgumentChecker.notNull(instance, tableId);


    ZooCache zc = getZooCache(instance);
    byte[] n = zc.get(ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId + Constants.ZTABLE_NAMESPACE);


    // We might get null out of ZooCache if this tableID doesn't exist
    if (null == n) {
      throw new IllegalArgumentException("Table with id " + tableId + " does not exist");
    }

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Examples of org.apache.accumulo.fate.zookeeper.ZooCache

    }
    return ZooCache.getInstance(instance.getZooKeepers(), instance.getZooKeepersSessionTimeOut());
  }
  
  private static SortedMap<String,String> getMap(Instance instance, boolean nameAsKey) {
    ZooCache zc = getZooCache(instance);
    
    List<String> tableIds = zc.getChildren(ZooUtil.getRoot(instance) + Constants.ZTABLES);
    
    TreeMap<String,String> tableMap = new TreeMap<String,String>();
    
    for (String tableId : tableIds) {
      byte[] tblPath = zc.get(ZooUtil.getRoot(instance) + Constants.ZTABLES + "/" + tableId + Constants.ZTABLE_NAME);
      if (tblPath != null) {
        if (nameAsKey)
          tableMap.put(new String(tblPath, Constants.UTF8), tableId);
        else
          tableMap.put(tableId, new String(tblPath, Constants.UTF8));

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