/// <summary>
/// Parses the specified <see cref="XmlElement"/> element into a
/// <see cref="ReplicasNode"/> object.
/// </summary>
/// <param name="element">
/// A Xml element that contains the providers configuration data.
/// </param>
/// <returns>
/// A <see cref="ReplicasNode"/> containing the configured providers.
/// </returns>
/// <exception cref="ArgumentNullException">
/// <paramref name="element"/> is a <c>null</c> reference.
/// </exception>
/// <exception cref="ConfigurationException">
/// The <paramref name="element"/> contains invalid configuration data.
/// </exception>
public static ReplicasNode Parse(XmlElement element)
{
string group = GetAttributeValue(element, Strings.kGroupAttribute);
ReplicasNode replicas = new ReplicasNode(group);
foreach (XmlNode node in element.ChildNodes)
{
if (node.NodeType == XmlNodeType.Element &&
Strings.AreEquals(node.Name, Strings.kReplicaNodeName))
{
ReplicaNode replica = ReplicaNode.Parse((XmlElement)node);
replicas.AddChildNode(replica);
}
}
return(replicas);
}
static IEnumerable <ProviderNode> Replicate(ReplicaNode replica,
ProvidersNodeGroup group)
{
List <ProviderNode> clones = new List <ProviderNode>(group.Count);
foreach (ProviderNode provider in group)
{
ProviderNode clone = provider.Clone(provider.Name + replica.Name);
List <string> aliases = new List <string>();
foreach (string alias in clone.Aliases)
{
aliases.Add(alias + replica.Name);
}
// replace/add the cloned options with the replica's options
foreach (KeyValuePair <string, string> option in replica.Options)
{
clone.Options[option.Key] = option.Value;
}
clones.Add(clone);
}
return(clones);
}
static IEnumerable<ProviderNode> Replicate(ReplicaNode replica,
ProvidersNodeGroup group) {
List<ProviderNode> clones = new List<ProviderNode>(group.Count);
foreach (ProviderNode provider in group) {
ProviderNode clone = provider.Clone(provider.Name + replica.Name);
List<string> aliases = new List<string>();
foreach (string alias in clone.Aliases) {
aliases.Add(alias + replica.Name);
}
// replace/add the cloned options with the replica's options
foreach (KeyValuePair<string, string> option in replica.Options) {
clone.Options[option.Key] = option.Value;
}
clones.Add(clone);
}
return clones;
}