/// <summary>
/// Load this configuration from xml element.
/// </summary>
/// <param name="xmlElement"></param>
public static GrainTypeConfiguration Load(XmlElement xmlElement)
{
string fullTypeName = null;
bool areDefaults = xmlElement.LocalName == "Defaults";
foreach (XmlAttribute attribute in xmlElement.Attributes)
{
if (!areDefaults && attribute.LocalName == "Type")
{
fullTypeName = attribute.Value.Trim();
}
else
{
throw new InvalidOperationException(string.Format("unrecognized attribute {0}", attribute.LocalName));
}
}
if (!areDefaults)
{
if (fullTypeName == null)
{
throw new InvalidOperationException("Type attribute not specified");
}
}
bool found = false;
TimeSpan?collectionAgeLimit = null;
foreach (XmlNode node in xmlElement.ChildNodes)
{
var child = (XmlElement)node;
switch (child.LocalName)
{
default:
throw new InvalidOperationException(string.Format("unrecognized XML element {0}", child.LocalName));
case "Deactivation":
found = true;
collectionAgeLimit = ConfigUtilities.ParseCollectionAgeLimit(child);
break;
}
}
if (found)
{
return(new GrainTypeConfiguration(fullTypeName, collectionAgeLimit));
}
throw new InvalidOperationException(string.Format("empty GrainTypeConfiguration for {0}", fullTypeName ?? "defaults"));
}
/// <summary>
/// Load this configuratin from xml element.
/// </summary>
/// <param name="xmlElement"></param>
/// <param name="logger"></param>
public static GrainTypeConfiguration Load(XmlElement xmlElement, TraceLogger logger)
{
Type type = null;
bool areDefaults = xmlElement.LocalName == "Defaults";
foreach (XmlAttribute attribute in xmlElement.Attributes)
{
if (!areDefaults && attribute.LocalName == "Type")
{
string fullName = attribute.Value.Trim();
try
{
type = TypeUtils.ResolveType(fullName);
}
catch (Exception exception)
{
logger.Error(ErrorCode.Loader_TypeLoadError, string.Format("Unable to find grain class type specified in configuration ({0}); Ignoring.", fullName), exception);
return(null);
}
}
else
{
throw new InvalidOperationException(string.Format("unrecognized attribute {0}", attribute.LocalName));
}
}
if (!areDefaults)
{
if (type == null)
{
throw new InvalidOperationException("Type attribute not specified");
}
// postcondition: returned type must implement IGrain.
if (!typeof(IGrain).IsAssignableFrom(type))
{
throw new InvalidOperationException(string.Format("Type {0} must implement IGrain to be used in this context", type.FullName));
}
// postcondition: returned type must either be an interface or a class.
if (!type.IsInterface && !type.IsClass)
{
throw new InvalidOperationException(string.Format("Type {0} must either be an interface or class.", type.FullName));
}
}
bool found = false;
TimeSpan?collectionAgeLimit = null;
foreach (XmlNode node in xmlElement.ChildNodes)
{
var child = (XmlElement)node;
switch (child.LocalName)
{
default:
throw new InvalidOperationException(string.Format("unrecognized XML element {0}", child.LocalName));
case "Deactivation":
found = true;
collectionAgeLimit = ConfigUtilities.ParseCollectionAgeLimit(child);
break;
}
}
if (found)
{
return new GrainTypeConfiguration(type)
{
CollectionAgeLimit = collectionAgeLimit,
}
}
;
throw new InvalidOperationException(string.Format("empty GrainTypeConfiguration for {0}", type == null ? "defaults" : type.FullName));
}
}
