static CorrelationQuery CreateCorrelationQueryCore(MessageQuerySet select, Collection <CorrelationInitializer> correlationInitializers)
{
CorrelationQuery correlationQuery = null;
if (select != null)
{
Fx.Assert(select.Count != 0, "Empty MessageQuerySet is not allowed!");
correlationQuery = new CorrelationQuery
{
Select = select
};
}
if (correlationInitializers != null && correlationInitializers.Count > 0)
{
foreach (CorrelationInitializer correlation in correlationInitializers)
{
QueryCorrelationInitializer queryCorrelation = correlation as QueryCorrelationInitializer;
if (queryCorrelation != null)
{
Fx.Assert(queryCorrelation.MessageQuerySet.Count != 0, "Empty MessageQuerySet is not allowed!");
correlationQuery = correlationQuery ?? new CorrelationQuery();
correlationQuery.SelectAdditional.Add(queryCorrelation.MessageQuerySet);
}
}
}
return(correlationQuery);
}
private static void InitializeCorrelationHandles(NativeActivityContext context, CorrelationHandle selectHandle, CorrelationHandle ambientHandle, Collection <CorrelationInitializer> additionalCorrelations, InstanceKey instanceKey, ICollection <InstanceKey> additionalKeys)
{
bool flag = false;
if ((instanceKey != null) && instanceKey.IsValid)
{
if (selectHandle != null)
{
selectHandle.InitializeBookmarkScope(context, instanceKey);
}
else if (ambientHandle != null)
{
ambientHandle.InitializeBookmarkScope(context, instanceKey);
flag = true;
}
else if (context.DefaultBookmarkScope.IsInitialized)
{
if (context.DefaultBookmarkScope.Id != instanceKey.Value)
{
throw System.ServiceModel.Activities.FxTrace.Exception.AsError(new InvalidOperationException(System.ServiceModel.Activities.SR.CorrelationHandleInUse(context.DefaultBookmarkScope.Id, instanceKey.Value)));
}
}
else
{
context.DefaultBookmarkScope.Initialize(context, instanceKey.Value);
}
}
if ((additionalKeys != null) && (additionalCorrelations != null))
{
IEnumerator <CorrelationInitializer> enumerator = additionalCorrelations.GetEnumerator();
foreach (InstanceKey key in additionalKeys)
{
while (enumerator.MoveNext())
{
QueryCorrelationInitializer current = enumerator.Current as QueryCorrelationInitializer;
if (current != null)
{
CorrelationHandle handle = (current.CorrelationHandle != null) ? current.CorrelationHandle.Get(context) : null;
if (handle == null)
{
if ((ambientHandle == null) || flag)
{
throw System.ServiceModel.Activities.FxTrace.Exception.AsError(new InvalidOperationException(System.ServiceModel.Activities.SR.QueryCorrelationInitializerCannotBeInitialized));
}
handle = ambientHandle;
flag = true;
}
handle.InitializeBookmarkScope(context, key);
break;
}
}
}
}
}
public static void ValidateCorrelationInitializer(ActivityMetadata metadata, Collection <CorrelationInitializer> correlationInitializers, bool isReply, string displayName, string operationName)
{
Fx.Assert(metadata != null, "cannot be null");
if (correlationInitializers != null && correlationInitializers.Count > 0)
{
bool queryInitializerWithEmptyHandle = false;
foreach (CorrelationInitializer correlation in correlationInitializers)
{
if (correlation is RequestReplyCorrelationInitializer && isReply)
{
// This is a reply, so additional correlations should not have a request reply handle
metadata.AddValidationError(SR.ReplyShouldNotIncludeRequestReplyHandle(displayName, operationName));
}
QueryCorrelationInitializer queryCorrelation = correlation as QueryCorrelationInitializer;
if (queryCorrelation != null)
{
if (queryCorrelation.MessageQuerySet.Count == 0)
{
metadata.AddValidationError(SR.QueryCorrelationInitializerWithEmptyMessageQuerySet(displayName, operationName));
}
}
if (correlation.CorrelationHandle == null)
{
if (correlation is QueryCorrelationInitializer)
{
if (!queryInitializerWithEmptyHandle)
{
queryInitializerWithEmptyHandle = true;
}
else
{
// more than one queryInitializer present, in this case we don't permit null handle
metadata.AddValidationError(SR.NullCorrelationHandleInMultipleQueryCorrelation);
}
}
else
{
metadata.AddValidationError(SR.NullCorrelationHandleInInitializeCorrelation(correlation.GetType().Name));
}
}
}
}
}
public static void ValidateCorrelationInitializer(ActivityMetadata metadata, Collection <CorrelationInitializer> correlationInitializers, bool isReply, string displayName, string operationName)
{
if ((correlationInitializers != null) && (correlationInitializers.Count > 0))
{
bool flag = false;
foreach (CorrelationInitializer initializer in correlationInitializers)
{
if ((initializer is RequestReplyCorrelationInitializer) && isReply)
{
metadata.AddValidationError(System.ServiceModel.Activities.SR.ReplyShouldNotIncludeRequestReplyHandle(displayName, operationName));
}
QueryCorrelationInitializer initializer2 = initializer as QueryCorrelationInitializer;
if ((initializer2 != null) && (initializer2.MessageQuerySet.Count == 0))
{
metadata.AddValidationError(System.ServiceModel.Activities.SR.QueryCorrelationInitializerWithEmptyMessageQuerySet(displayName, operationName));
}
if (initializer.CorrelationHandle == null)
{
if (initializer is QueryCorrelationInitializer)
{
if (!flag)
{
flag = true;
}
else
{
metadata.AddValidationError(System.ServiceModel.Activities.SR.NullCorrelationHandleInMultipleQueryCorrelation);
}
}
else
{
metadata.AddValidationError(System.ServiceModel.Activities.SR.NullCorrelationHandleInInitializeCorrelation(initializer.GetType().Name));
}
}
}
}
}
private static CorrelationQuery CreateCorrelationQueryCore(MessageQuerySet select, Collection <CorrelationInitializer> correlationInitializers)
{
CorrelationQuery query = null;
if (select != null)
{
query = new CorrelationQuery {
Select = select
};
}
if ((correlationInitializers != null) && (correlationInitializers.Count > 0))
{
foreach (CorrelationInitializer initializer in correlationInitializers)
{
QueryCorrelationInitializer initializer2 = initializer as QueryCorrelationInitializer;
if (initializer2 != null)
{
query = query ?? new CorrelationQuery();
query.SelectAdditional.Add(initializer2.MessageQuerySet);
}
}
}
return(query);
}
// both receive and send initialize correlations using this method
// if selectHandle is not null, we first try to initalize instanceKey with it , else we try to initalize the ambient handle
// if ambient handle is not used for initializing instance key , we might use it for initalizing queryCorrelationsInitalizer.
// SelectHandle usage:
// Receive: selectHandle is the correlatesWith handle
// SendReply: in case of context based correlation, this is the context handle
// Send: in case of context based correlation, this will be the callback handle
// ReceiveReply: selectHandle will be always null
// Note that only Receive can initialize a content based correlation with a selectHandle (parallel convoy)
internal static void InitializeCorrelationHandles(NativeActivityContext context,
CorrelationHandle selectHandle, CorrelationHandle ambientHandle, Collection <CorrelationInitializer> additionalCorrelations,
InstanceKey instanceKey, ICollection <InstanceKey> additionalKeys)
{
bool isAmbientHandleUsed = false;
if (instanceKey != null && instanceKey.IsValid)
{
if (selectHandle != null)
{
selectHandle.InitializeBookmarkScope(context, instanceKey);
}
else if (ambientHandle != null)
{
ambientHandle.InitializeBookmarkScope(context, instanceKey);
isAmbientHandleUsed = true;
}
else if (context.DefaultBookmarkScope.IsInitialized)
{
if (context.DefaultBookmarkScope.Id != instanceKey.Value)
{
throw FxTrace.Exception.AsError(
new InvalidOperationException(SR2.CorrelationHandleInUse(context.DefaultBookmarkScope.Id, instanceKey.Value)));
}
}
else
{
context.DefaultBookmarkScope.Initialize(context, instanceKey.Value);
}
}
if (additionalKeys != null && additionalCorrelations != null)
{
// The ordering of items in SelectAdditional and additional correlations are the same
// Therefore, we assign keys iteratively
IEnumerator <CorrelationInitializer> enumerator = additionalCorrelations.GetEnumerator();
foreach (InstanceKey key in additionalKeys)
{
Fx.Assert(key != null && key.IsValid, "only valid keys should be passed into InitializeCorrelationHandles");
while (enumerator.MoveNext())
{
QueryCorrelationInitializer queryCorrelation = enumerator.Current as QueryCorrelationInitializer;
if (queryCorrelation != null)
{
CorrelationHandle handle = (queryCorrelation.CorrelationHandle != null ? queryCorrelation.CorrelationHandle.Get(context) : null);
if (handle == null)
{
if (ambientHandle != null && !isAmbientHandleUsed)
{
handle = ambientHandle;
isAmbientHandleUsed = true;
}
else
{
throw FxTrace.Exception.AsError(
new InvalidOperationException(SR2.QueryCorrelationInitializerCannotBeInitialized));
}
}
handle.InitializeBookmarkScope(context, key);
break;
}
}
}
}
}
