public Set<HashMap<String, String>> getSettingValue(String settingName) {
    if (properties.containsKey(settingName)) {
      return properties.get(settingName);
    }

    return Collections.emptySet();
  }
Get the setting properties for a specified setting name.

@param settingName
@return Set of Map of properties.
ambari-server/src/main/java/org/apache/ambari/server/topology/Setting.java