QdbBatchBlob.CompareAndSwap Method

Adds a "compareAndSwap" operation to the batch: "Atomically compares the content of the blob and replaces it, if it matches."

Namespace: Quasardb
Assembly: Quasardb (in Quasardb.dll) Version: 3.9.9.0 (3.9.9.0)

Syntax

Copy

public IQdbFuture<byte[]> CompareAndSwap(
	byte[] newContent,
	byte[] comparand,
	Nullable<DateTime> expiryTime = null
)

Public Function CompareAndSwap ( 
	newContent As Byte(),
	comparand As Byte(),
	Optional expiryTime As Nullable(Of DateTime) = Nothing
) As IQdbFuture(Of Byte())

Parameters

newContent: Type:System.Byte[]
The content to be updated to the server, in case of match.
comparand: Type:System.Byte[]
The content to be compared to.
expiryTime (Optional): Type: System.Nullable<DateTime>
The new expiry time of the blob, in case of match.

Return Value

Type: IQdbFuture<Byte[]>
A future that will contain the result of the operation after the batch is run.

Reference

QdbBatchBlob Class

Quasardb Namespace

QdbBlob.CompareAndSwap(Byte[],Byte[], Nullable<DateTime>)

QdbBatchBlob.AddLanguageSpecificTextSet("LST3FC80125_0?cpp=::|nu=.");CompareAndSwap Method

Parameters

Return Value

Reference

QdbBatchBlob.CompareAndSwap Method