//Helper method to call from GetExistingInstanceContext //returns true : If InstanceContext is found in cache & guaranteed to stay in cache until ReleaseReference is called. //returns false : If InstanceContext is not found in cache; // reference & slot is created for the ID; // InitializeInstanceContext to call AddInstanceContext. public bool TryGetInstanceContext(Guid instanceId, out InstanceContext instanceContext) { ContextItem contextItem; instanceContext = null; int referenceCount = -1; try { lock (lockObject) { if (!contextCache.TryGetValue(instanceId, out contextItem)) { contextItem = new ContextItem(instanceId); referenceCount = contextItem.AddReference(); contextCache.Add(instanceId, contextItem); return(false); } referenceCount = contextItem.AddReference(); } } finally { if (DiagnosticUtility.ShouldTraceInformation) { string traceText = SR2.GetString(SR2.DurableInstanceRefCountToInstanceContext, instanceId, referenceCount); TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.InstanceContextBoundToDurableInstance, SR.GetString(SR.TraceCodeInstanceContextBoundToDurableInstance), new StringTraceRecord("InstanceDetail", traceText), this, null); } } instanceContext = contextItem.InstanceContext; return(true); }
public void AddInstanceContext(Guid instanceId, InstanceContext instanceContext) { ContextItem contextItem; int? referenceCount = null; lock (lockObject) { if (!contextCache.TryGetValue(instanceId, out contextItem)) { //This will be the case for activation request. contextItem = new ContextItem(instanceId); referenceCount = contextItem.AddReference(); contextCache.Add(instanceId, contextItem); } } contextItem.InstanceContext = instanceContext; if (DiagnosticUtility.ShouldTraceInformation && referenceCount.HasValue) { string traceText = SR2.GetString(SR2.DurableInstanceRefCountToInstanceContext, instanceId, referenceCount.Value); TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.InstanceContextBoundToDurableInstance, SR.GetString(SR.TraceCodeInstanceContextBoundToDurableInstance), new StringTraceRecord("InstanceDetail", traceText), this, null); } }
//Helper method to call from GetExistingInstanceContext //returns true : If InstanceContext is found in cache & guaranteed to stay in cache until ReleaseReference is called. //returns false : If InstanceContext is not found in cache; // reference & slot is created for the ID; // InitializeInstanceContext to call AddInstanceContext. public bool TryGetInstanceContext(Guid instanceId, out InstanceContext instanceContext) { ContextItem contextItem; instanceContext = null; int referenceCount = -1; try { lock (lockObject) { if (!contextCache.TryGetValue(instanceId, out contextItem)) { contextItem = new ContextItem(instanceId); referenceCount = contextItem.AddReference(); contextCache.Add(instanceId, contextItem); return false; } referenceCount = contextItem.AddReference(); } } finally { if (DiagnosticUtility.ShouldTraceInformation) { string traceText = SR2.GetString(SR2.DurableInstanceRefCountToInstanceContext, instanceId, referenceCount); TraceUtility.TraceEvent(TraceEventType.Information, TraceCode.InstanceContextBoundToDurableInstance, SR.GetString(SR.TraceCodeInstanceContextBoundToDurableInstance), new StringTraceRecord("InstanceDetail", traceText), this, null); } } instanceContext = contextItem.InstanceContext; return true; }