// (Integer, "3") return object of new Integer(3)
public object Parse(Type c, string s)
{
Type d = ReflectionUtilities.BoxClass(c);
foreach (Type e in ReflectionUtilities.ClassAndAncestors(d))
{
// get all the super classes of Integer for example
string name = ReflectionUtilities.GetAssemblyQualifiedName(e);
if (parsers.ContainsKey(name))
{
object ret = Parse(name, s);
// check if ret can be cast as c
if (c.IsAssignableFrom(ret.GetType()))
{
return(ret);
}
else
{
var ex = new InvalidCastException("Cannot cast from " + ret.GetType() + " to " + c);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
}
}
return(Parse(d.Name, s));
}
// private static void assertIsSubclassOf(Class<?> named_parameter, Class<?> default_class, Type argClass) {
private static void AssertIsSubclassOf(Type namedparameter, Type defaultclass, Type argClass)
{
bool isSubclass = false;
string argClassName = ReflectionUtilities.GetAssemblyQualifiedName(argClass);
foreach (Type t in ReflectionUtilities.ClassAndAncestors(defaultclass))
{
if (argClassName.Equals(ReflectionUtilities.GetAssemblyQualifiedName(t)))
{
isSubclass = true;
}
}
if (!isSubclass)
{
var e = new ClassHierarchyException(namedparameter + " defines a default class "
+ ReflectionUtilities.GetName(defaultclass) + " with a type that does not extend of its target's type " + argClass);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
public object Parse(Type c, String s)
{
Type d = ReflectionUtilities.BoxClass(c);
foreach (Type e in ReflectionUtilities.ClassAndAncestors(d))
{
string name = e.FullName;
if (parsers.ContainsKey(name))
{
object ret = Parse(name, s);
if (c.IsAssignableFrom(ret.GetType()))
{
return(ret);
}
else
{
throw new InvalidCastException("Cannot cast from " + ret.GetType() + " to " + c);
}
}
}
return(Parse(d.Name, s));
}
