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 Details

    • 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)