public VariableReader(VariableMetaData variableMetaData, VariableVersionThreadLocal versionThreadLocal, VersionedValueList <Object> versionsLow)
{
_variableMetaData = variableMetaData;
_versionThreadLocal = versionThreadLocal;
_versionsLow = versionsLow;
_versionsHigh = null;
}
/// <summary>
/// Ctor.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="startVersion">the first version number to start from</param>
/// <param name="millisecondLifetimeOldVersions">number of milliseconds a version may hang around before expiry</param>
/// <param name="timeProvider">provides the current time</param>
/// <param name="eventAdapterService">for finding event types</param>
/// <param name="optionalStateHandler">a optional plug-in that may store variable state and retrieve state upon creation</param>
public VariableServiceImpl(
IContainer container,
int startVersion,
long millisecondLifetimeOldVersions,
TimeProvider timeProvider,
EventAdapterService eventAdapterService,
VariableStateHandler optionalStateHandler)
{
_versionThreadLocal = new VariableVersionThreadLocal(container.ThreadLocalManager());
_millisecondLifetimeOldVersions = millisecondLifetimeOldVersions;
_timeProvider = timeProvider;
_eventAdapterService = eventAdapterService;
_optionalStateHandler = optionalStateHandler;
_variables = new Dictionary <String, VariableMetaData>().WithNullSupport();
_readWriteLock = container.RWLockManager().CreateLock(MethodBase.GetCurrentMethod().DeclaringType);
_variableVersionsPerCP = new List <ConcurrentDictionary <int, VariableReader> >();
_changeCallbacksPerCP = new List <IDictionary <int, ICollection <VariableChangeCallback> > >();
_currentVersionNumber = startVersion;
}
public void Dispose()
{
_versionThreadLocal = new VariableVersionThreadLocal();
}