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InvocableCacheExInsertIfAbsent Method

Oracle® Fusion Middleware .NET API Reference for Oracle Coherence
14c (14.1.1.0)
F23534-02
If the specified key is not already associated with a value (or is mapped to null) associates it with the given value and returns null, else returns the current value.

Namespace:  Tangosol.Net.Cache
Assembly:  Coherence (in Coherence.dll) Version: 14.1.1.14 (14.1.1.14)
Syntax
C#
Copy
public static Object InsertIfAbsent(
	this IInvocableCache invocable,
	Object key,
	Object value
)

Parameters

invocable
Type: Tangosol.Net.CacheIInvocableCache
The interface it extends.
key
Type: SystemObject
Key with which the specified value is to be associated.
value
Type: SystemObject
Value to be associated with the specified key.

Return Value

Type: Object
The current value associated with the specified key, or null if there was no mapping for the key.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IInvocableCache. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).
See Also