public EnforceExclusiveSagaAccessIncomingStep(IExclusiveAccessLock lockHandler, int maxLockBuckets,
string lockPrefix, CancellationToken cancellationToken, TimeSpan?lockSleepMinDelay = null,
TimeSpan?lockSleepMaxDelay = null)
: base(maxLockBuckets, cancellationToken)
{
_lockHandler = lockHandler;
_lockPrefix = lockPrefix;
_lockSleepMinDelay = lockSleepMinDelay ?? TimeSpan.FromMilliseconds(10);
_lockSleepMaxDelay = lockSleepMaxDelay ?? TimeSpan.FromMilliseconds(20);
_random = new Random(DateTime.Now.GetHashCode());
}
/// <summary>
/// Forces exclusive access using a lockhandler defined by <see cref="IExclusiveAccessLock"/>
/// </summary>
public static void EnforceExclusiveAccess(this StandardConfigurer <ISagaStorage> configurer, IExclusiveAccessLock locker, string lockPrefix = null, int maxLockBuckets = 1000)
{
if (configurer == null)
{
throw new ArgumentNullException(nameof(configurer));
}
configurer
.OtherService <IPipeline>()
.Decorate(c =>
{
var pipeline = c.Get <IPipeline>();
var cancellationToken = c.Get <CancellationToken>();
var step = new EnforceExclusiveSagaAccessIncomingStep(locker, maxLockBuckets, lockPrefix ?? "sagalock_", cancellationToken);
return(new PipelineStepInjector(pipeline)
.OnReceive(step, PipelineRelativePosition.Before, typeof(LoadSagaDataStep)));
});
}
