@Override
  @Transactional
  public void putCurrentInstanceData(String user, String key, String value) {
    putInstanceData(currentInstanceDefinition, user, key, value);
  }
Instantiates the data store associated with the instance.

@param instanceDefinition the view instance definition
@return the data store object associated with view instance
ambari-server/src/main/java/org/apache/ambari/server/view/ViewDataMigrationContextImpl.java