internal override bool WriteRequest(EmberWriter writer, IStreamedParameterCollection streamedParameters)
{
if (this.RetrievalState.Equals(RetrievalState.None))
{
var isEmpty = this.children.Count == 0;
if (isEmpty)
{
writer.WriteStartApplicationDefinedType(
GlowElementCollection.Element.OuterId, GlowQualifiedNode.InnerNumber);
writer.WriteValue(GlowQualifiedNode.Path.OuterId, this.NumberPath);
writer.WriteStartApplicationDefinedType(
GlowQualifiedNode.Children.OuterId, GlowElementCollection.InnerNumber);
}
var result = this.WriteCommandCollection(writer, streamedParameters);
if (isEmpty)
{
writer.WriteEndContainer();
writer.WriteEndContainer();
}
return(result);
}
else
{
return(false);
}
}
internal sealed override bool WriteRequest(EmberWriter writer, IStreamedParameterCollection streamedParameters)
{
writer.WriteStartApplicationDefinedType(GlowGlobal.Root.OuterId, GlowRootElementCollection.InnerNumber);
var result = this.WriteCommandCollection(writer, streamedParameters);
writer.WriteEndContainer();
return(result);
}
internal sealed override bool WriteRequest(EmberWriter writer, IStreamedParameterCollection streamedParameters)
{
if (this.RetrievalState.Equals(RetrievalState.None))
{
writer.WriteStartApplicationDefinedType(
GlowElementCollection.Element.OuterId, GlowQualifiedParameter.InnerNumber);
writer.WriteValue(GlowQualifiedParameter.Path.OuterId, this.NumberPath);
writer.WriteStartApplicationDefinedType(
GlowQualifiedParameter.Children.OuterId, GlowElementCollection.InnerNumber);
this.WriteCommandCollection(writer, GlowCommandNumber.Subscribe, RetrievalState.Complete);
writer.WriteEndContainer();
writer.WriteEndContainer();
streamedParameters.Add(this);
}
return(false);
}
internal bool WriteCommandCollection(EmberWriter writer, IStreamedParameterCollection streamedParameters)
{
if (this.children.Count == 0)
{
this.WriteCommandCollection(writer, GlowCommandNumber.GetDirectory, RetrievalState.RequestSent);
return(true);
}
else
{
var result = false;
foreach (var child in this.children.Values)
{
// We want to avoid short-circuit logic, which is why we use | rather than ||.
result |= child.WriteRequest(writer, streamedParameters);
}
return(result);
}
}
/// <summary>Writes the payload of a message that contains appropriate requests for all elements that require /// one.</summary> /// <returns><c>true</c> if a provider response is expected due to the request; otherwise <c>false</c>. /// </returns> /// <remarks>Recursively visits all children with a state equal to <see cref="Model.RetrievalState.None"/>, writes /// a getDirectory command for nodes that do not yet have children or a subscribe command for stream parameters /// and changes their state accordingly.</remarks> internal virtual bool WriteRequest(EmberWriter writer, IStreamedParameterCollection streamedParameters) => false;
