Interface MetadataStoreListener

All Known Implementing Classes:
MetadataStoreListenerAdapter
public interface MetadataStoreListener
A callback to be invoked whenever a value changes in the data store.
Since:
4.2
Author:
Marius Bogoevici

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    onAdd(String key, String value)
    Invoked when a key is added to the store.
    void
    onRemove(String key, String oldValue)
    Invoked when a key is removed from the store.
    void
    onUpdate(String key, String newValue)
    Invoked when a key is updated into the store.

  • Method Details

    • onAdd

      void onAdd(String key, String value)
      Invoked when a key is added to the store.
      Parameters:
      key - the key being added
      value - the value being added

    • onRemove

      void onRemove(String key, String oldValue)
      Invoked when a key is removed from the store.
      Parameters:
      key - the key being removed
      oldValue - the value being removed

    • onUpdate

      void onUpdate(String key, String newValue)
      Invoked when a key is updated into the store.
      Parameters:
      key - the key being updated
      newValue - the new value