/// <summary>
/// Gets a singleton instance of this class.
/// </summary>
/// <returns></returns>
public static SqlSyncStateManager GetInstance()
{
if (m_instance == null)
{
m_instance = new SqlSyncStateManager();
}
return(m_instance);
}
internal SessionWorker(
Guid sessionId,
ManualResetEvent sessionEvent,
AnalysisEngine analysisEngine,
MigrationEngine migrationEngine,
LinkEngine linkEngine,
Guid leftMigrationSourceId,
Guid rightMigrationSourceId,
WorkFlowType workFlowType,
int secondsSyncWaitInterval,
string threadName)
{
SessionId = sessionId;
Event = sessionEvent;
AnalysisEngine = analysisEngine;
MigrationEngine = migrationEngine;
LinkEngine = linkEngine;
LeftMigrationSourceid = leftMigrationSourceId;
RightMigrationSourceid = rightMigrationSourceId;
WorkFlowType = workFlowType;
m_threadName = threadName;
SqlSyncStateManager manager = SqlSyncStateManager.GetInstance();
m_syncStateManager = manager;
m_syncCommandQueue = manager;
m_syncStateMachine = new SyncStateMachine(PipelineState.Default, new SyncStateTransitionAlgorithm(),
OwnerType.Session, sessionId, m_syncStateManager);
m_orchPolicy = new SessionOrchestrationPolicy(WorkFlowType, m_syncStateMachine);
try
{
checked
{
MilliSecondsSyncWaitInterval = secondsSyncWaitInterval * 1000;
}
}
catch (OverflowException)
{
MilliSecondsSyncWaitInterval = int.MaxValue;
TraceManager.TraceInformation(
"The speicified interval of {0} minutes is too long for the system to handle. The interval is now changed to {1} minutes.",
secondsSyncWaitInterval / 60,
(int)(MilliSecondsSyncWaitInterval / 1000 / 60));
}
}