Package com.tangosol.util

Interface CollectionEvent<V>

All Known Implementing Classes:
AbstractKeyBasedMap.DeferredCacheEvent, CacheEvent, ConverterCollections.ConverterCacheEvent, ConverterCollections.ConverterMapEvent, MapEvent, MapListenerSupport.FilterEvent, OverflowMap.HistoricCacheEvent
public interface CollectionEvent<V>

  • Method Summary

    Modifier and Type
    Method
    Description
    int
    getId()
    Return this event's id.
    V
    getNewValue()
    Return a new value associated with this event.
    V
    getOldValue()
    Return an old value associated with this event.
    int
    getPartition()
    Return the partition this event represents or -1 if the event source is not partition aware.
    long
    getVersion()
    Return the version that represents the change that caused this event.
    boolean
    isDelete()
    Determine whether this event is a delete event.
    boolean
    isInsert()
    Determine whether this event is an insert event.
    boolean
    isUpdate()
    Determine whether this event is an update event.

  • Method Details

    • getId

      int getId()
      Return this event's id. The event id is one of the ENTRY_* enumerated constants.
      Returns:
      an id

    • getOldValue

      V getOldValue()
      Return an old value associated with this event.

      The old value represents a value deleted from or updated in a collection. It is always null for "insert" notifications.

      Returns:
      an old value

    • getNewValue

      V getNewValue()
      Return a new value associated with this event.

      The new value represents a new value inserted into or updated in a collection. It is always null for "delete" notifications.

      Returns:
      a new value

    • getPartition

      int getPartition()
      Return the partition this event represents or -1 if the event source is not partition aware.
      Returns:
      the partition this event represents or -1 if the event source is not partition aware

    • getVersion

      long getVersion()
      Return the version that represents the change that caused this event. The meaning of this version, and therefore causality of versions, is defined by the event source.
      Returns:
      the version that represents the change that caused this event

    • isInsert

      boolean isInsert()
      Determine whether this event is an insert event.
      Returns:
      true if this event is an insert event

    • isUpdate

      boolean isUpdate()
      Determine whether this event is an update event.
      Returns:
      true if this event is an update event

    • isDelete

      boolean isDelete()
      Determine whether this event is a delete event.
      Returns:
      true if this event is a delete event