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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
namespace System.ServiceModel.Dispatcher
{
using System.ServiceModel.Description;
using System.Workflow.Runtime;
using System.Runtime;
class DurableRuntimeValidator
{
ConcurrencyMode concurrencyMode;
UnknownExceptionAction exceptionAction;
bool saveStateInOperationTransaction;
bool validated;
public DurableRuntimeValidator(bool saveStateInOperationTransaction, UnknownExceptionAction exceptionAction)
{
this.saveStateInOperationTransaction = saveStateInOperationTransaction;
this.exceptionAction = exceptionAction;
this.validated = false;
}
public ConcurrencyMode ConcurrencyMode
{
get
{
if (!this.validated)
{
ValidateRuntime();
}
return concurrencyMode;
}
}
public void ValidateRuntime()
{
if (!this.validated)
{
Fx.Assert(
OperationContext.Current != null &&
OperationContext.Current.EndpointDispatcher != null &&
OperationContext.Current.EndpointDispatcher.DispatchRuntime != null,
"There shouldn't have been a null value in " +
"OperationContext.Current.EndpointDispatcher.DispatchRuntime.");
this.concurrencyMode = OperationContext.Current.EndpointDispatcher.DispatchRuntime.ConcurrencyMode;
if (this.concurrencyMode == ConcurrencyMode.Multiple)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.ConcurrencyMultipleNotSupported)));
}
if (this.saveStateInOperationTransaction && this.concurrencyMode != ConcurrencyMode.Single)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.SaveStateInTransactionRequiresSingle)));
}
if (this.concurrencyMode == ConcurrencyMode.Reentrant
&& this.exceptionAction == UnknownExceptionAction.AbortInstance)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
new InvalidOperationException(
SR2.GetString(SR2.ConcurrencyReentrantAndAbortNotSupported)));
}
this.validated = true;
}
}
}
}
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