Package org.elasticsearch.common.settings

Interface SettingUpgrader<T>

  • Type Parameters:
    T - the type of the underlying setting
    public interface SettingUpgrader<T>
    Represents the logic to upgrade a setting.

    • Method Summary

      Modifier and Type Method Description
      java.lang.String getKey​(java.lang.String key)
      The logic to upgrade the setting key, for example by mapping the old setting key to the new setting key.
      default java.util.List<java.lang.String> getListValue​(java.util.List<java.lang.String> value)  
      Setting<T> getSetting()
      The setting upgraded by this upgrader.
      default java.lang.String getValue​(java.lang.String value)
      The logic to upgrade the setting value.

    • Method Detail

      • getSetting

        Setting<T> getSetting()
        The setting upgraded by this upgrader.
        Returns:
        the setting

      • getKey

        java.lang.String getKey​(java.lang.String key)
        The logic to upgrade the setting key, for example by mapping the old setting key to the new setting key.
        Parameters:
        key - the setting key to upgrade
        Returns:
        the upgraded setting key

      • getValue

        default java.lang.String getValue​(java.lang.String value)
        The logic to upgrade the setting value.
        Parameters:
        value - the setting value to upgrade
        Returns:
        the upgraded setting value

      • getListValue

        default java.util.List<java.lang.String> getListValue​(java.util.List<java.lang.String> value)