private bool Persist()
{
IAsyncResult result = null;
try
{
if (this.operation == WorkflowServiceInstance.PersistenceOperation.Delete)
{
this.saveStatus = SaveStatus.Completed;
}
if (this.context == null)
{
this.context = new WorkflowServiceInstance.WorkflowPersistenceContext(this.instance, ((this.pipeline != null) && this.pipeline.IsSaveTransactionRequired) || this.isCompletionTransactionRequired, this.dependentTransaction, this.instance.persistTimeout);
}
using (base.PrepareTransactionalCall(this.context.PublicTransaction))
{
result = this.instance.persistenceContext.BeginSave(this.data, this.saveStatus, this.instance.persistTimeout, this.PrepareInnerAsyncCompletion(persistedCallback), this);
}
}
catch (InstancePersistenceException)
{
this.updateState = false;
throw;
}
finally
{
if ((result == null) && (this.context != null))
{
this.context.Abort();
}
}
return base.SyncContinue(result);
}
private bool Save()
{
if (this.pipeline == null)
{
return this.NotifyCompletion();
}
IAsyncResult result = null;
try
{
if (this.context == null)
{
this.context = new WorkflowServiceInstance.WorkflowPersistenceContext(this.instance, this.pipeline.IsSaveTransactionRequired || this.isCompletionTransactionRequired, this.dependentTransaction, this.instance.persistTimeout);
}
this.instance.persistencePipelineInUse = this.pipeline;
Thread.MemoryBarrier();
if (this.instance.abortingExtensions)
{
throw System.ServiceModel.Activities.FxTrace.Exception.AsError(new OperationCanceledException(System.ServiceModel.Activities.SR.DefaultAbortReason));
}
using (base.PrepareTransactionalCall(this.context.PublicTransaction))
{
result = this.pipeline.BeginSave(this.timeoutHelper.RemainingTime(), this.PrepareInnerAsyncCompletion(savedCallback), this);
}
}
finally
{
if (result == null)
{
this.instance.persistencePipelineInUse = null;
if (this.context != null)
{
this.context.Abort();
}
}
}
return base.SyncContinue(result);
}
private bool NotifyCompletion()
{
if ((!this.isUnloaded || (this.instance.Controller.State != WorkflowInstanceState.Complete)) || (this.instance.creationContext == null))
{
return this.CompleteContext();
}
IAsyncResult result = null;
try
{
if (this.context == null)
{
this.context = new WorkflowServiceInstance.WorkflowPersistenceContext(this.instance, this.isCompletionTransactionRequired, this.dependentTransaction, this.instance.persistTimeout);
}
using (base.PrepareTransactionalCall(this.context.PublicTransaction))
{
result = this.instance.creationContext.OnBeginWorkflowCompleted(this.instance.completionState, this.instance.workflowOutputs, this.instance.terminationException, this.timeoutHelper.RemainingTime(), this.PrepareInnerAsyncCompletion(notifyCompletionCallback), this);
if (result == null)
{
throw System.ServiceModel.Activities.FxTrace.Exception.AsError(new InvalidOperationException(System.ServiceModel.Activities.SR.WorkflowCompletionAsyncResultCannotBeNull));
}
}
}
finally
{
if ((result == null) && (this.context != null))
{
this.context.Abort();
}
}
return base.SyncContinue(result);
}
