public ListElement(long id, T value, string traceType, ListElementState state = ListElementState.Invalid)
{
this.traceType = traceType;
if (id == ForbiddenId)
{
TestableAssertHelper.FailInvalidOperation(this.traceType, "DataStore.ListElement", "id == ForbiddenId: {0}", ForbiddenId);
}
this.id = id;
this.value = value;
this.State = state;
this.Next = null;
this.Previous = null;
this.DequeueCommittingTransaction = null;
this.stateMachineLock = new object();
}
private void TransitionToState(ListElementState targetState, ListElementState allowedCurrentState)
{
lock (this.stateMachineLock)
{
if (allowedCurrentState != this.State)
{
throw new InvalidOperationException(
string.Format(
"Invalid listElement state transition. \n\tCurrent state: {0}\n\tTarget state: {1}\n\tAllowed current state: {2}",
this.State,
targetState,
allowedCurrentState));
}
this.State = targetState;
}
}
public static IListElement <T> CreateQueueListElement(long id, T value, string traceType, ListElementState state = ListElementState.Invalid)
{
return(new ListElement(id, value, traceType, state));
}