public virtual void Update(GlobalSession globalSession, LocalOperationId localOperationId, long logIndex)
{
LocalSessionTracker localSessionTracker = ValidateGlobalSessionAndGetLocalSessionTracker(globalSession);
localSessionTracker.ValidateAndTrackOperation(localOperationId);
this._logIndex = logIndex;
}
internal virtual bool ValidateAndTrackOperation(LocalOperationId operationId)
{
if (!IsValidOperation(operationId))
{
return(false);
}
LastSequenceNumberPerSession[operationId.LocalSessionId()] = operationId.SequenceNumber();
return(true);
}
/// <summary>
/// Tracks the operation and returns true iff this operation should be allowed.
/// </summary>
public virtual bool ValidateOperation(GlobalSession globalSession, LocalOperationId localOperationId)
{
LocalSessionTracker existingSessionTracker = _sessionTrackers[globalSession.Owner()];
if (IsNewSession(globalSession, existingSessionTracker))
{
return(IsFirstOperation(localOperationId));
}
else
{
return(existingSessionTracker.IsValidOperation(localOperationId));
}
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void sessionAcquirementIncreasesOperationId()
public virtual void SessionAcquirementIncreasesOperationId()
{
LocalSessionPool sessionPool = new LocalSessionPool(_globalSession);
OperationContext context;
context = sessionPool.AcquireSession();
LocalOperationId operationA = context.LocalOperationId();
sessionPool.ReleaseSession(context);
context = sessionPool.AcquireSession();
LocalOperationId operationB = context.LocalOperationId();
sessionPool.ReleaseSession(context);
assertEquals(operationB.SequenceNumber(), operationA.SequenceNumber() + 1);
}
/// <summary>
/// The sequence numbers under a single local session must come strictly in order and are only valid once only.
/// </summary>
internal virtual bool IsValidOperation(LocalOperationId operationId)
{
long?lastSequenceNumber = LastSequenceNumberPerSession[operationId.LocalSessionId()];
if (lastSequenceNumber == null)
{
if (operationId.SequenceNumber() != 0)
{
return(false);
}
}
else if (operationId.SequenceNumber() != lastSequenceNumber + 1)
{
return(false);
}
return(true);
}
private bool IsFirstOperation(LocalOperationId id)
{
return(id.SequenceNumber() == 0);
}
