@Override
  public void copyAllInstanceData() {
    for (Map.Entry<String, Map<String, String>> userData : getOriginInstanceDataByUser().entrySet()) {
      for (Map.Entry<String, String> entry : userData.getValue().entrySet()) {
        putCurrentInstanceData(userData.getKey(), entry.getKey(), entry.getValue());
      }
    }
  }
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