Class AtomicMonotonicWinApiTimestampGenerator

A timestamp generator that guarantees monotonically increasing timestamps among all client threads and logs warnings when timestamps drift in the future, using Win API high precision GetSystemTimePreciseAsFileTime() method call available in Windows 8+ and Windows Server 2012+.

Inheritance
object
AtomicMonotonicTimestampGenerator
AtomicMonotonicWinApiTimestampGenerator
Implements
Inherited Members
Namespace: Cassandra
Assembly: Cassandra.dll
Syntax
public class AtomicMonotonicWinApiTimestampGenerator : AtomicMonotonicTimestampGenerator, ITimestampGenerator

Constructors

AtomicMonotonicWinApiTimestampGenerator(int, int)

Creates a new instance of AtomicMonotonicTimestampGenerator.

Declaration
public AtomicMonotonicWinApiTimestampGenerator(int warningThreshold = 1000, int minLogInterval = 1000)
Parameters
Type Name Description
int warningThreshold

Determines how far in the future timestamps are allowed to drift before a warning is logged, expressed in milliseconds. Default: 1000
int minLogInterval

In case of multiple log events, it determines the time separation between log events, expressed in milliseconds. Use 0 to disable. Default: 1000.
Exceptions
Type Condition
NotSupportedException

Methods

GetTimestamp()

Retrieves the current system-clock time in expressed microseconds since UNIX epoch.

Declaration
protected override sealed long GetTimestamp()
Returns
Type Description
long
Overrides

Implements