Method Contains
Contains(String)
Determines whether the cache contains a specific key.
Declaration
bool Contains(string key)
Parameters
Type | Name | Description |
---|---|---|
System.String | key | The key to locate in the cache. |
Returns
Type | Description |
---|---|
System.Boolean | true if the cache contains an element with the specified key; otherwise, false. |
Remarks
In most of the cases this method's implementation is close to O(1).
Examples
The following example demonstrates how to check for containment of an item in the cache/>
ICache cache = CacheManager.GetCache("demoCache");
if(cache.Contains("Product0"))
{
Console.WriteLine("Item found!");
}
Exceptions
Type | Condition |
---|---|
System.ArgumentNullException |
|
System.ArgumentException |
|