public void SetUp()
{
_container = SupportContainer.Reset();
var rLock = _container.LockManager().CreateLock(GetType());
_list = new VersionedValueList <String>("abc", 2, "a", 1000, 10000, rLock, 10, true);
}
public VariableReader(VariableMetaData variableMetaData, VariableVersionThreadLocal versionThreadLocal, VersionedValueList <Object> versionsLow)
{
_variableMetaData = variableMetaData;
_versionThreadLocal = versionThreadLocal;
_versionsLow = versionsLow;
_versionsHigh = null;
}
public void AllocateVariableState(String variableName, int agentInstanceId, StatementExtensionSvcContext extensionServicesContext)
{
var metaData = _variables.Get(variableName);
if (metaData == null)
{
throw new ArgumentException("Failed to find variable '" + variableName + "'");
}
// Check current state - see if the variable exists in the state handler
var initialState = metaData.VariableStateFactory.InitialState;
if (_optionalStateHandler != null)
{
var priorValue = _optionalStateHandler.GetHasState(
variableName,
metaData.VariableNumber, agentInstanceId,
metaData.VariableType,
metaData.EventType, extensionServicesContext);
if (priorValue.First)
{
initialState = priorValue.Second;
}
}
// create new holder for versions
var timestamp = _timeProvider.Time;
var valuePerVersion = new VersionedValueList <Object>(variableName, _currentVersionNumber, initialState, timestamp, _millisecondLifetimeOldVersions, _readWriteLock.ReadLock, HIGH_WATERMARK_VERSIONS, false);
var cps = _variableVersionsPerCP[metaData.VariableNumber];
var reader = new VariableReader(metaData, _versionThreadLocal, valuePerVersion);
cps.Put(agentInstanceId, reader);
}
/// <summary>
/// Rollover includes creating a new
/// </summary>
private void RollOver()
{
foreach (var entryCP in _variableVersionsPerCP)
{
foreach (KeyValuePair <int, VariableReader> entry in entryCP)
{
String name = entry.Value.VariableMetaData.VariableName;
var timestamp = _timeProvider.Time;
// Construct a new collection, forgetting the history
var versionsOld = entry.Value.VersionsLow;
var currentValue = versionsOld.CurrentAndPriorValue.CurrentVersion.Value;
var versionsNew = new VersionedValueList <Object>(name, 1, currentValue, timestamp, _millisecondLifetimeOldVersions, _readWriteLock.ReadLock, HIGH_WATERMARK_VERSIONS, false);
// Tell the reader to use the high collection for old requests
entry.Value.VersionsHigh = versionsOld;
entry.Value.VersionsLow = versionsNew;
}
}
}
public void SetUp()
{
var rLock = LockManager.CreateLock(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
list = new VersionedValueList <String>("abc", 2, "a", 1000, 10000, rLock, 10, true);
}
