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ConcurrentTokenizedPriorityQueueTKey, TValue, TTokenEnqueueOrUpdate(TKey, TValue, TToken) Method

Adds a key/value pair associated with a token to the queue (if no such token is already present), or updates the already present key/value pair associated with the provided token.

Namespace: Altaxo.Collections
Assembly: AltaxoCore (in AltaxoCore.dll) Version: 4.8.3179.0 (4.8.3179.0)
Syntax
C#
Copy
public bool EnqueueOrUpdate(
	TKey key,
	TValue value,
	ref TToken token
)

Parameters

key  TKey
The key that should be enqueued (if token not present in the queue) or updated (if token is already present in the queue).
value  TValue
The value that should be enqueued (if token not present in the queue) or updated (if token is already present in the queue).
token  TToken
The token used to identify key/value pairs in the queue.

Return Value

Boolean
True if the key/value pair was freshly enqueued, or false if the token was already present in the queue, and therefore the key/value pair was updated.
Exceptions
ExceptionCondition
InvalidOperationExceptionThis queue is generating tokens by itself. Use Enqueue(key, value) instead!
See Also