org.apache.ignite.cache.query

## Class CacheQueryEntryEvent<K,V>

- java.lang.Object
- - java.util.EventObject
  - - javax.cache.event.CacheEntryEvent<K,V>
    - - org.apache.ignite.cache.query.CacheQueryEntryEvent<K,V>

- Type Parameters:
    `K` - The type of key.
    `V` - The type of value.
  All Implemented Interfaces:
    Serializable, javax.cache.Cache.Entry<K,V>

      public abstract class CacheQueryEntryEvent<K,V>
      extends javax.cache.event.CacheEntryEvent<K,V>

  A Cache continuous query entry event.
  See Also:
    Serialized Form

- - ### Field Summary

    - ### Fields inherited from class java.util.EventObject

      `source`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `CacheQueryEntryEvent(javax.cache.Cache src, javax.cache.event.EventType evtType)` Constructs a cache entry event from a given cache as source.

  - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `abstract long` | `getPartitionUpdateCounter()` Each cache update increases partition counter.

    - ### Methods inherited from class javax.cache.event.CacheEntryEvent

      `getEventType, getOldValue, getSource, isOldValueAvailable`

    - ### Methods inherited from class java.util.EventObject

      `toString`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

    - ### Methods inherited from interface javax.cache.Cache.Entry

      `getKey, getValue, unwrap`

- - ### Constructor Detail

    - #### CacheQueryEntryEvent

          public CacheQueryEntryEvent(javax.cache.Cache src,
                                      javax.cache.event.EventType evtType)

      Constructs a cache entry event from a given cache as source.
      Parameters:
        `src` - The cache that originated the event.
        `evtType` - Event type.

  - ### Method Detail

    - #### getPartitionUpdateCounter

          public abstract long getPartitionUpdateCounter()

      Each cache update increases partition counter. The same cache updates have on the same value of counter on primary and backup nodes. This value can be useful to communicate with external applications.
      Returns:
        Value of counter for this event.

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Ignite Database and Caching Platform | : ver. 2.12.0
Release Date | : January 10 2022