Package org.ehcache.event

Interface CacheEvent<K,V>

Type Parameters:
K - the key type of the source cache
V - the value type of the source cache
public interface CacheEvent<K,V>
An event resulting from a mutative Cache operation.

  • Method Summary

    Modifier and Type
    Method
    Description
    K
    getKey()
    The key of the mapping affected by this event.
    V
    getNewValue()
    The mapped value immediately after the mutative event occurred.
    V
    getOldValue()
    The mapped value immediately before the mutative event occurred.
    Cache<K,V>
    getSource()
    Deprecated.
    EventType
    getType()
    Gets the EventType of this event.

  • Method Details

    • getType

      EventType getType()
      Gets the EventType of this event.
      Returns:
      the EventType

    • getKey

      K getKey()
      The key of the mapping affected by this event.
      Returns:
      the key of the mutated mapping

    • getNewValue

      V getNewValue()
      The mapped value immediately after the mutative event occurred.

      If the mutative event removes the mapping then null is returned.

      Returns:
      the mapped value after the mutation

    • getOldValue

      V getOldValue()
      The mapped value immediately before the mutative event occurred.

      If the mutative event created the mapping then null is returned.

      Returns:
      the mapped value before the mutation

    • getSource

      @Deprecated Cache<K,V> getSource()
      Deprecated.
      The source cache for this event

      Calling back into the cache to perform operations is not supported. It is only provided as a way to identify the event source.

      Returns:
      the source cache