IDictionary <XName, InstanceValue> GetCommandMetadata(out bool withIdentity)
{
CreateWorkflowOwnerWithIdentityCommand createOwnerWithIdentityCommand = base.InstancePersistenceCommand as CreateWorkflowOwnerWithIdentityCommand;
if (createOwnerWithIdentityCommand != null)
{
withIdentity = true;
return(createOwnerWithIdentityCommand.InstanceOwnerMetadata);
}
else
{
CreateWorkflowOwnerCommand createOwnerCommand = (CreateWorkflowOwnerCommand)base.InstancePersistenceCommand;
withIdentity = false;
return(createOwnerCommand.InstanceOwnerMetadata);
}
}
public virtual void SetDefaultWorkflowInstanceOwner(XName workflowHostTypeName, IEnumerable<WorkflowIdentity> workflowIdentities)
{
if (Store.DefaultInstanceOwner == null || (_ownerInstanceHandle == null || _ownerInstanceHandle.IsValid == false))
{
lock (_syncLock)
{
if (Store.DefaultInstanceOwner == null ||
(_ownerInstanceHandle == null || _ownerInstanceHandle.IsValid == false))
{
_workflowHostTypeName = workflowHostTypeName;
_workflowIdentities = workflowIdentities;
TryRenewInstanceHandle(ref _ownerInstanceHandle);
InstancePersistenceCommand createOwnerCmd = null;
#if NET4
createOwnerCmd = new CreateWorkflowOwnerCommand();
((CreateWorkflowOwnerCommand)createOwnerCmd).InstanceOwnerMetadata.Add(WorkflowNamespaces.WorkflowHostTypePropertyName, new InstanceValue(workflowHostTypeName));
#else
if (workflowIdentities == null)
{
createOwnerCmd = new CreateWorkflowOwnerCommand();
((CreateWorkflowOwnerCommand) createOwnerCmd).InstanceOwnerMetadata.Add(WorkflowNamespaces.WorkflowHostTypePropertyName, new InstanceValue(workflowHostTypeName));
}
else
{
// support workflow versioning
createOwnerCmd = new CreateWorkflowOwnerWithIdentityCommand();
((CreateWorkflowOwnerWithIdentityCommand)createOwnerCmd).InstanceOwnerMetadata.Add(WorkflowNamespaces.WorkflowHostTypePropertyName, new InstanceValue(workflowHostTypeName));
((CreateWorkflowOwnerWithIdentityCommand)createOwnerCmd).InstanceOwnerMetadata.Add(WorkflowNamespaces.DefinitionIdentityFilterName, new InstanceValue(WorkflowIdentityFilter.Any));
((CreateWorkflowOwnerWithIdentityCommand)createOwnerCmd).InstanceOwnerMetadata.Add(WorkflowNamespaces.DefinitionIdentitiesName, new InstanceValue(workflowIdentities.ToList()));
}
#endif
Store.DefaultInstanceOwner = ExecuteCommand(createOwnerCmd, DefaultTimeout).InstanceOwner;
}
}
}
}
InstancePersistenceCommand GetCreateOwnerCommand()
{
InstancePersistenceCommand command;
IDictionary<XName, InstanceValue> commandMetadata;
if (this.instanceOwnerMetadata.ContainsKey(Workflow45Namespace.DefinitionIdentities))
{
CreateWorkflowOwnerWithIdentityCommand withIdentity = new CreateWorkflowOwnerWithIdentityCommand();
command = withIdentity;
commandMetadata = withIdentity.InstanceOwnerMetadata;
}
else
{
CreateWorkflowOwnerCommand withoutIdentity = new CreateWorkflowOwnerCommand();
command = withoutIdentity;
commandMetadata = withoutIdentity.InstanceOwnerMetadata;
}
foreach (KeyValuePair<XName, InstanceValue> metadata in this.instanceOwnerMetadata)
{
commandMetadata.Add(metadata);
}
return command;
}
public static string GetIdentityMetadataXml(InstancePersistenceCommand command)
{
StringBuilder stringBuilder = new StringBuilder(512);
Guid idHash = Guid.Empty;
Guid idAnyRevisionHash = Guid.Empty;
int workflowIdentityFilter = (int)WorkflowIdentityFilter.Exact;
IList <WorkflowIdentity> identityCollection = null;
if (command is CreateWorkflowOwnerWithIdentityCommand)
{
InstanceValue instanceValueIdentityCollection = null;
CreateWorkflowOwnerWithIdentityCommand ownerCommand = command as CreateWorkflowOwnerWithIdentityCommand;
if (ownerCommand.InstanceOwnerMetadata.TryGetValue(Workflow45Namespace.DefinitionIdentities, out instanceValueIdentityCollection))
{
if (instanceValueIdentityCollection.Value != null)
{
identityCollection = instanceValueIdentityCollection.Value as IList <WorkflowIdentity>;
if (identityCollection == null)
{
string typeName = typeof(IList <>).Name.Replace("`1", "<" + typeof(WorkflowIdentity).Name + ">");
throw FxTrace.Exception.AsError(new InstancePersistenceCommandException(SR.InvalidMetadataValue(Workflow45Namespace.DefinitionIdentities, typeName)));
}
}
}
InstanceValue instanceValue = null;
if (ownerCommand.InstanceOwnerMetadata.TryGetValue(Workflow45Namespace.DefinitionIdentityFilter, out instanceValue))
{
if (instanceValue.Value != null)
{
if (instanceValue.Value is WorkflowIdentityFilter)
{
workflowIdentityFilter = (int)instanceValue.Value;
}
else
{
workflowIdentityFilter = -1;
}
if (workflowIdentityFilter != (int)WorkflowIdentityFilter.Exact &&
workflowIdentityFilter != (int)WorkflowIdentityFilter.Any &&
workflowIdentityFilter != (int)WorkflowIdentityFilter.AnyRevision)
{
throw FxTrace.Exception.AsError(new InstancePersistenceCommandException(SR.InvalidMetadataValue(Workflow45Namespace.DefinitionIdentityFilter, typeof(WorkflowIdentityFilter).Name)));
}
}
}
}
else if (command is SaveWorkflowCommand)
{
InstanceValue instanceValue = null;
SaveWorkflowCommand saveCommand = command as SaveWorkflowCommand;
if (saveCommand.InstanceMetadataChanges.TryGetValue(Workflow45Namespace.DefinitionIdentity, out instanceValue))
{
if (!instanceValue.IsDeletedValue && instanceValue.Value != null)
{
identityCollection = new Collection <WorkflowIdentity>();
if (!(instanceValue.Value is WorkflowIdentity))
{
throw FxTrace.Exception.AsError(new InstancePersistenceCommandException(SR.InvalidMetadataValue(Workflow45Namespace.DefinitionIdentity, typeof(WorkflowIdentity).Name)));
}
identityCollection.Add((WorkflowIdentity)instanceValue.Value);
}
}
else
{
// If identity isn't specified, we preserve the instance's existing identity
return(null);
}
}
else
{
return(null);
}
if (identityCollection == null)
{
// Assume NULL Identity
identityCollection = new Collection <WorkflowIdentity>();
identityCollection.Add(null);
}
using (XmlWriter xmlWriter = XmlWriter.Create(stringBuilder))
{
xmlWriter.WriteStartDocument();
xmlWriter.WriteStartElement("IdentityMetadata");
// Write the Identity Collection
xmlWriter.WriteStartElement("IdentityCollection");
foreach (WorkflowIdentity id in identityCollection)
{
xmlWriter.WriteStartElement("Identity");
if (id == null)
{
xmlWriter.WriteElementString("DefinitionIdentityHash", Guid.Empty.ToString());
xmlWriter.WriteElementString("DefinitionIdentityAnyRevisionHash", Guid.Empty.ToString());
}
else
{
idHash = GetIdentityHash(id);
idAnyRevisionHash = GetIdentityAnyRevisionFilterHash(id);
xmlWriter.WriteElementString("DefinitionIdentityHash", idHash.ToString());
xmlWriter.WriteElementString("DefinitionIdentityAnyRevisionHash", idAnyRevisionHash.ToString());
xmlWriter.WriteElementString("Name", id.Name);
if (id.Package != null)
{
xmlWriter.WriteElementString("Package", id.Package);
}
if (id.Version != null)
{
xmlWriter.WriteElementString("Major", id.Version.Major.ToString(CultureInfo.InvariantCulture));
xmlWriter.WriteElementString("Minor", id.Version.Minor.ToString(CultureInfo.InvariantCulture));
if (id.Version.Build >= 0)
{
xmlWriter.WriteElementString("Build", id.Version.Build.ToString(CultureInfo.InvariantCulture));
if (id.Version.Revision >= 0)
{
xmlWriter.WriteElementString("Revision", id.Version.Revision.ToString(CultureInfo.InvariantCulture));
}
}
}
}
xmlWriter.WriteEndElement();
}
xmlWriter.WriteEndElement();
// Write the WorkflowIdentityFilter
xmlWriter.WriteElementString("WorkflowIdentityFilter", workflowIdentityFilter.ToString(CultureInfo.InvariantCulture));
xmlWriter.WriteEndElement();
}
return(stringBuilder.ToString());
}
