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# Interface ICacheEntryEvent<TK, TV>

Cache entry event.

##### Inherited Members

ICacheEntry<TK, TV>.Key
ICacheEntry<TK, TV>.Value

###### Namespace: Apache.Ignite.Core.Cache.Event

###### Assembly: Apache.Ignite.Core.dll

##### Syntax

    public interface ICacheEntryEvent<out TK, out TV> : ICacheEntry<TK, TV>

##### Type Parameters

Name | Description
--- | ---
TK |
TV |

### Properties

#### EventType

Event type.

##### Declaration

    CacheEntryEventType EventType { get; }

##### Property Value

Type | Description
--- | ---
CacheEntryEventType |

#### HasOldValue

Whether old value exists.

##### Declaration

    bool HasOldValue { get; }

##### Property Value

Type | Description
--- | ---
System.Boolean |

#### HasValue

Whether value exists.

##### Declaration

    bool HasValue { get; }

##### Property Value

Type | Description
--- | ---
System.Boolean |

#### OldValue

Gets old the value.

##### Declaration

    TV OldValue { get; }

##### Property Value

Type | Description
--- | ---
TV |