AddOrGetExisting<T>(CacheItem<T>,CacheItemPolicy) Method

Adds a cache entry into the cache, and returns an existing cache entry with a matching key.

Syntax

C#
Visual Basic
Objective-C
Java
C++

public override CacheItem<T> AddOrGetExisting<T>( 
   CacheItem<T> value,
   CacheItemPolicy policy
)

'Declaration

Public Overloads Overrides Function AddOrGetExisting(Of T)( _
   ByVal value As CacheItem(Of T), _
   ByVal policy As CacheItemPolicy _
) As CacheItem(Of T)

'Usage

Dim instance As FileCache
Dim value As CacheItem(Of T)
Dim policy As CacheItemPolicy
Dim value As CacheItem(Of T)
 
value = instance.AddOrGetExisting(Of T)(value, policy)

@Override
public <T> CacheItem<T> addOrGetExisting(CacheItem<T> value, Class<?> classOfT, CacheItemPolicy policy)

public:
CacheItem<T^>^ AddOrGetExistinggeneric<typename T>
( 
   CacheItem<T^>^ value,
   CacheItemPolicy^ policy
) override

Parameters

value: Cache item to add.
policy: Expiration policy for the item.

Type Parameters

T

Return Value

The previous cache entry that matches the specified key, if found. If the cache contains an item with the same key, then it will be returned before it is overwritten. Otherwise, null.

Requirements

Target Platforms

Reference

FileCache Class
FileCache Members
Overload List