Interface NodeHashMap

Method Details

• put

  DataNode put(String path, DataNode node)

  Add the node into the map and update the digest with the new node.

  Parameters:

  path - the path of the node

  node - the actual node associated with this path

• putWithoutDigest

  DataNode putWithoutDigest(String path, DataNode node)

  Add the node into the map without update the digest.

  Parameters:

  path - the path of the node

  node - the actual node associated with this path

• get

  DataNode get(String path)

  Return the data node associated with the path.

  Parameters:

  path - the path to read from

• remove

  DataNode remove(String path)

  Remove the path from the internal nodes map.

  Parameters:

  path - the path to remove

  Returns:

  the node being removed

• entrySet

  Set<Map.Entry<String,DataNode>> entrySet()

  Return all the entries inside this map.

• clear

  void clear()

  Clear all the items stored inside this map.

• size

  int size()

  Return the size of the nodes stored in this map.

• preChange

  void preChange(String path, DataNode node)

  Called before we made the change on the node, which will clear the digest associated with it.

  Parameters:

  path - the path being changed

  node - the node associated with the path

• postChange

  void postChange(String path, DataNode node)

  Called after making the changes on the node, which will update the digest.

  Parameters:

  path - the path being changed

  node - the node associated with the path

• getDigest

  long getDigest()

  Return the digest value.