public static bool CanAcceptActivityAndActivityAsSourceAndTarget(Activity source, Activity target)
{
if (source is Stop)
{
return false;
}
else if (source == target)
{
return false;
}
else
{
return source.TargetActs.Count == 0;
}
}
public static bool CanAcceptActivityAsTarget(Activity candidate)
{
return true;
}
public static bool CanAcceptActivityAsSource(Activity candidate)
{
return candidate.TargetActs.Count == 0;
}
private static bool CanAcceptWorkflowRuleAndActivityAsSourceAndTarget(WorkflowRule source, Activity target)
{
return true;
}
private static void WriteChildElements(DslModeling::SerializationContext serializationContext, Activity element, global::System.Xml.XmlWriter writer)
{
// FlowBase
global::System.Collections.ObjectModel.ReadOnlyCollection<FlowBase> allFlowBaseInstances = FlowBase.GetLinksToTargetActs(element);
if (!serializationContext.Result.Failed && allFlowBaseInstances.Count > 0)
{
writer.WriteStartElement("targetActs");
foreach (FlowBase eachFlowBaseInstance in allFlowBaseInstances)
{
if (serializationContext.Result.Failed)
break;
DslModeling::DomainClassXmlSerializer relSerializer = serializationContext.Directory.GetSerializer(eachFlowBaseInstance.GetDomainClass().Id);
global::System.Diagnostics.Debug.Assert(relSerializer != null, "Cannot find serializer for " + eachFlowBaseInstance.GetDomainClass().Name + "!");
relSerializer.Write(serializationContext, eachFlowBaseInstance, writer);
}
writer.WriteEndElement();
}
}
private static void ReadFlowBaseInstances(DslModeling::SerializationContext serializationContext, Activity element, global::System.Xml.XmlReader reader)
{
while (!serializationContext.Result.Failed && !reader.EOF && reader.NodeType == global::System.Xml.XmlNodeType.Element)
{
DslModeling::DomainClassXmlSerializer newFlowBaseSerializer = serializationContext.Directory.GetSerializer(FlowBase.DomainClassId);
global::System.Diagnostics.Debug.Assert(newFlowBaseSerializer != null, "Cannot find serializer for FlowBase!");
FlowBase newFlowBase = newFlowBaseSerializer.TryCreateInstance (serializationContext, reader, element.Partition) as FlowBase;
if (newFlowBase != null)
{
DslModeling::DomainRoleInfo.SetRolePlayer (newFlowBase, FlowBase.SourceActivityDomainRoleId, element);
DslModeling::DomainClassXmlSerializer targetSerializer = serializationContext.Directory.GetSerializer (newFlowBase.GetDomainClass().Id);
global::System.Diagnostics.Debug.Assert (targetSerializer != null, "Cannot find serializer for " + newFlowBase.GetDomainClass().Name + "!");
targetSerializer.Read(serializationContext, newFlowBase, reader);
}
else
{ // Maybe the relationship is serialized in short-form by mistake.
DslModeling::DomainClassXmlSerializer newActivityMonikerOfFlowBaseSerializer = serializationContext.Directory.GetSerializer(Activity.DomainClassId);
global::System.Diagnostics.Debug.Assert(newActivityMonikerOfFlowBaseSerializer != null, "Cannot find serializer for Activity!");
DslModeling::Moniker newActivityMonikerOfFlowBase = newActivityMonikerOfFlowBaseSerializer.TryCreateMonikerInstance(serializationContext, reader, element, FlowBase.DomainClassId, element.Partition);
if (newActivityMonikerOfFlowBase != null)
{
CloudCoreArchitectSubProcessSerializationBehaviorSerializationMessages.ExpectingFullFormRelationship(serializationContext, reader, typeof(FlowBase));
new FlowBase(element.Partition, new DslModeling::RoleAssignment(FlowBase.SourceActivityDomainRoleId, element), new DslModeling::RoleAssignment(FlowBase.TargetActivityDomainRoleId, newActivityMonikerOfFlowBase));
DslModeling::SerializationUtilities.Skip(reader); // Moniker contains no child XML elements, so just skip.
}
else
{ // Unknown element, skip.
DslModeling::SerializationUtilities.Skip(reader);
}
}
}
}
/// <summary>
/// This method deserializes all child model elements.
/// </summary>
/// <remarks>
/// The caller will position the reader at the open tag of the first child XML element to deserialized.
/// This method will read as many child elements as it can. It returns under three circumstances:
/// 1) When an unknown child XML element is encountered. In this case, this method will position the reader at the
/// open tag of the unknown element. This implies that if the first child XML element is unknown, this method
/// should return immediately and do nothing.
/// 2) When all child XML elemnets are read. In this case, the reader will be positioned at the end tag of the parent element.
/// 3) EOF.
/// </remarks>
/// <param name="serializationContext">Serialization context.</param>
/// <param name="reader">XmlReader to read serialized data from.</param>
/// <param name="element">In-memory Activity instance that will get the deserialized data.</param>
private static void ReadChildElements(DslModeling::SerializationContext serializationContext, Activity element, global::System.Xml.XmlReader reader)
{
if (!serializationContext.Result.Failed && !reader.EOF && reader.NodeType == global::System.Xml.XmlNodeType.Element)
{
if (string.Compare(reader.LocalName, "targetActs", global::System.StringComparison.CurrentCulture) == 0)
{
if (reader.IsEmptyElement)
{ // No instance of this relationship, just skip
DslModeling::SerializationUtilities.Skip(reader);
}
else
{
DslModeling::SerializationUtilities.SkipToFirstChild(reader); // Skip the open tag of <targetActs>
ReadFlowBaseInstances(serializationContext, element, reader);
DslModeling::SerializationUtilities.Skip(reader); // Skip the close tag of </targetActs>
}
}
}
}