public ConstructorDefImpl(string className, IConstructorArg[] args, bool injectable)
{
this.args = args;
this.className = className;
if (injectable)
{
var duplicateItems = from x in args
group x by x into grouped
where grouped.Count() > 1
select grouped.Key;
if (duplicateItems.Any())
{
var e = new ClassHierarchyException(
"Repeated constructor parameter detected. "
+ "Cannot inject constructor " + ToString());
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
}
public static INode CreateClassNode(INode parent, Type clazz)
{
// var namedParameter = clazz.GetCustomAttribute<NamedParameterAttribute>();
var unit = null != clazz.GetCustomAttribute<UnitAttribute>();
string simpleName = ReflectionUtilities.GetName(clazz);
string fullName = ReflectionUtilities.GetAssemblyQualifiedName(clazz);
// bool isStatic = true; // clazz.IsSealed && clazz.IsAbstract; always true in C# for Java static class
// bool injectable = true; // always true in C#
bool isAssignableFromExternalConstructor = ReflectionUtilities.IsAssignableFromIgnoreGeneric(typeof(IExternalConstructor<>), clazz);
// bool parentIsUnit = false;
////No such thing in C#, should be false
////bool foundNonStaticInnerClass = false;
////foreach (Type c in clazz.getNestedTypes()) {
//// if (!Modifier.isStatic(c.getModifiers())) {
//// foundNonStaticInnerClass = true;
//// }
////}
var injectableConstructors = new List<IConstructorDef>();
var allConstructors = new List<IConstructorDef>();
foreach (ConstructorInfo c in clazz.GetConstructors(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance))
{
var constructorAnnotatedInjectable = null != c.GetCustomAttribute<InjectAttribute>();
bool constructorInjectable = constructorAnnotatedInjectable;
ConstructorDefImpl constructorDef = CreateConstructorDef(c, constructorAnnotatedInjectable);
if (constructorInjectable)
{
// if (injectableConstructors.Contains(constructorDef))
if (constructorDef.IsInList(injectableConstructors))
{
var e = new ClassHierarchyException(
"Ambiguous boundConstructors detected in class " + clazz + ": "
+ constructorDef + " differs from some other" + " constructor only "
+ "by parameter order.");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
else
{
injectableConstructors.Add(constructorDef);
}
}
allConstructors.Add(constructorDef);
}
string defaultImplementation = null;
DefaultImplementationAttribute defaultImpl = clazz.GetCustomAttribute<DefaultImplementationAttribute>();
if (null != defaultImpl)
{
Type defaultImplementationClazz = defaultImpl.Value;
if (defaultImplementationClazz == null)
{
defaultImplementation = defaultImpl.Name;
}
else
{
if (!ReflectionUtilities.IsAssignableFromIgnoreGeneric(clazz, defaultImplementationClazz))
{
var e = new ClassHierarchyException(clazz
+ " declares its default implementation to be non-subclass "
+ defaultImplementationClazz);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
defaultImplementation = ReflectionUtilities.GetAssemblyQualifiedName(defaultImplementationClazz);
}
}
else
{
defaultImplementation = null;
}
return new ClassNodeImpl(parent, simpleName, fullName, unit, true, isAssignableFromExternalConstructor,
injectableConstructors, allConstructors, defaultImplementation);
}
// 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 static INamedParameterNode CreateNamedParameterNode(INode parent, Type clazz, Type argClass)
{
Type setRawArgType = ReflectionUtilities.GetInterfaceTarget(typeof(ISet<>), argClass);
bool isSet = setRawArgType != null;
if (isSet) {
argClass = setRawArgType;
}
Type listRawArgType = ReflectionUtilities.GetInterfaceTargetForType(typeof(IList<>), argClass);
bool isList = listRawArgType != null;
if (isList)
{
argClass = listRawArgType;
}
string simpleName = ReflectionUtilities.GetName(clazz);
string fullName = ReflectionUtilities.GetAssemblyQualifiedName(clazz);
string fullArgName = ReflectionUtilities.GetAssemblyQualifiedName(argClass);
string simpleArgName = ReflectionUtilities.GetName(argClass);
NamedParameterAttribute namedParameter = clazz.GetCustomAttribute<NamedParameterAttribute>();
if (namedParameter == null)
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(new IllegalStateException("Got name without named parameter post-validation!"), LOGGER);
}
bool hasStringDefault, hasClassDefault, hasStringSetDefault, hasClassSetDefault;
int default_count = 0;
if (namedParameter.DefaultValue == null || namedParameter.DefaultValue.Equals(NamedParameterAttribute.ReefUninitializedValue))
{
hasStringDefault = false;
}
else
{
hasStringDefault = true;
default_count++;
}
if (namedParameter.DefaultClass != null /*Void.class*/)
{
hasClassDefault = true;
default_count++;
}
else
{
hasClassDefault = false;
}
if (namedParameter.DefaultValues != null && namedParameter.DefaultValues.Length > 0)
{
hasStringSetDefault = true;
default_count++;
}
else
{
hasStringSetDefault = false;
}
if (namedParameter.DefaultClasses != null && namedParameter.DefaultClasses.Length > 0)
{
hasClassSetDefault = true;
default_count++;
}
else
{
hasClassSetDefault = false;
}
if (default_count > 1)
{
var e = new ClassHierarchyException("Named parameter " + fullName + " defines more than one of default_value, default_class, default_values and default_classes");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
string[] defaultInstanceAsStrings = new string[] { };
if (default_count == 0)
{
defaultInstanceAsStrings = new String[] { };
}
else if (hasClassDefault)
{
Type default_class = namedParameter.DefaultClass;
AssertIsSubclassOf(clazz, default_class, argClass);
defaultInstanceAsStrings = new String[] { ReflectionUtilities.GetAssemblyQualifiedName(default_class) };
}
else if (hasStringDefault)
{
// Don't know if the string is a class or literal here, so don't bother validating.
defaultInstanceAsStrings = new String[] { namedParameter.DefaultValue };
}
else if (hasClassSetDefault)
{
Type[] clzs = namedParameter.DefaultClasses;
defaultInstanceAsStrings = new String[clzs.Length];
for (int i = 0; i < clzs.Length; i++)
{
AssertIsSubclassOf(clazz, clzs[i], argClass);
defaultInstanceAsStrings[i] = ReflectionUtilities.GetAssemblyQualifiedName(clzs[i]);
}
}
else if (hasStringSetDefault)
{
defaultInstanceAsStrings = namedParameter.DefaultValues;
}
else
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(new IllegalStateException(), LOGGER);
}
string documentation = namedParameter.Documentation;
string shortName = namedParameter.ShortName;
if (namedParameter.ShortName != null && namedParameter.ShortName.Length == 0)
{
shortName = null;
}
return new NamedParameterNodeImpl(parent, simpleName, fullName,
fullArgName, simpleArgName, isSet, isList, documentation, shortName, defaultInstanceAsStrings, namedParameter.Alias, namedParameter.AliasLanguage);
}
public object ParseDefaultValue(INamedParameterNode name)
{
string[] vals = name.GetDefaultInstanceAsStrings();
object[] ret = new object[vals.Length];
for (int i = 0; i < vals.Length; i++)
{
string val = vals[i];
try
{
ret[i] = Parse(name, val);
}
catch (ParseException e)
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Caught(e, Level.Error, LOGGER);
var ex = new ClassHierarchyException("Could not parse default value " + val, e);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
}
if (name.IsSet())
{
return new HashSet<object>(ret.ToList<object>());
}
if (name.IsList())
{
return new List<object>(ret.ToList<object>());
}
if (ret.Length == 0)
{
return null;
}
if (ret.Length == 1)
{
return ret[0];
}
var ec = new IllegalStateException("Multiple defaults for non-set named parameter! " + name.GetFullName());
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ec, LOGGER);
return null; // this line would be never reached as Throw will throw an exception
}
public INode BuildPathToNode(Type type)
{
INode parent = GetParentNode(type);
Type argType = ReflectionUtilities.GetNamedParameterTargetOrNull(type);
if (argType == null)
{
return NodeFactory.CreateClassNode(parent, type);
}
INamedParameterNode np = NodeFactory.CreateNamedParameterNode(parent, type, argType);
if (Parameterparser.CanParse(ReflectionUtilities.GetAssemblyQualifiedName(argType)))
{
if (type.GetCustomAttribute<NamedParameterAttribute>().DefaultClass != null)
{
var e = new ClassHierarchyException("Named parameter " + ReflectionUtilities.GetAssemblyQualifiedName(type) + " defines default implementation for parsable type " + ReflectionUtilities.GetAssemblyQualifiedName(argType));
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
if (!string.IsNullOrEmpty(np.GetAlias()))
{
IDictionary<string, string> mapping = null;
_aliasLookupTable.TryGetValue(np.GetAliasLanguage().ToString(), out mapping);
if (null == mapping)
{
mapping = new Dictionary<string, string>();
_aliasLookupTable.Add(np.GetAliasLanguage().ToString(), mapping);
}
try
{
mapping.Add(np.GetAlias(), np.GetFullName());
}
catch (Exception)
{
var e = new TangApplicationException(string.Format(CultureInfo.CurrentCulture, "Duplicated alias {0} on named parameter {1}.", np.GetAlias(), np.GetFullName()));
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
string shortName = np.GetShortName();
if (shortName != null && !shortName.Equals(string.Empty))
{
INamedParameterNode oldNode = null;
shortNames.TryGetValue(shortName, out oldNode);
if (oldNode != null)
{
if (oldNode.GetFullName().Equals(np.GetFullName()))
{
var ex = new IllegalStateException("Tried to double bind "
+ oldNode.GetFullName() + " to short name " + shortName);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
var e = new ClassHierarchyException("Named parameters " + oldNode.GetFullName()
+ " and " + np.GetFullName() + " have the same short name: "
+ shortName);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
shortNames.Add(shortName, np);
}
return np;
}
public INode RegisterType(Type type)
{
if (ReflectionUtilities.IsAnonymousType(type))
{
// DevNote: Kinda hacky way to indicate the no-op case.
return rootNode;
}
INode n = GetAlreadyBoundNode(type);
if (n != null)
{
return n;
}
if (type.BaseType != null)
{
RegisterType(type.BaseType);
}
foreach (Type interf in type.GetInterfaces())
{
RegisterType(ReflectionUtilities.EnsureInterfaceType(interf));
}
Type enclosingClass = type.DeclaringType; // this.GetEnclosingClass(type);
if (enclosingClass != null)
{
RegisterType(enclosingClass);
}
INode node = RegisterClass(type);
foreach (Type inner in type.GetNestedTypes())
{
RegisterType(inner);
}
IClassNode classNode = node as ClassNodeImpl;
if (classNode != null)
{
foreach (IConstructorDef constructorDef in classNode.GetInjectableConstructors())
{
foreach (IConstructorArg constructorArg in constructorDef.GetArgs())
{
if (constructorArg.Gettype() == null)
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(new ArgumentException("not type in arg"), LOGGER);
}
RegisterType(constructorArg.Gettype()); // Gettype returns param's Type.fullname
if (constructorArg.GetNamedParameterName() != null)
{
var pn = RegisterType(constructorArg.GetNamedParameterName());
if (!(pn is INamedParameterNode))
{
string message = string.Format(CultureInfo.CurrentCulture,
"The class {0}, used in the constructor of {1}, should not be defined as a NamedParameter.",
constructorArg.GetNamedParameterName(),
constructorDef.GetClassName());
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(new ArgumentException(message), LOGGER);
}
INamedParameterNode np = (INamedParameterNode)RegisterType(constructorArg.GetNamedParameterName());
try
{
if (np.IsSet() || np.IsList())
{
// throw new NotImplementedException();
}
else
{
if (!ReflectionUtilities.IsCoercable(ClassForName(constructorArg.Gettype()), ClassForName(np.GetFullArgName())))
{
var e = new ClassHierarchyException(
"Named parameter type mismatch in " + classNode.GetFullName() + ". Constructor expects a "
+ constructorArg.Gettype() + " but " + np.GetName() + " is a "
+ np.GetFullArgName());
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
}
catch (TypeLoadException e)
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Caught(e, Level.Error, LOGGER);
var ex = new ClassHierarchyException("Constructor refers to unknown class "
+ constructorArg.GetType(), e);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
}
}
}
}
else
{
INamedParameterNode npNode = node as INamedParameterNode;
if (npNode != null)
{
RegisterType(npNode.GetFullArgName());
}
}
return node;
}
public INode BuildPathToNode(Type type)
{
INode parent = GetParentNode(type);
Type argType = ReflectionUtilities.GetNamedParameterTargetOrNull(type);
if (argType == null)
{
return NodeFactory.CreateClassNode(parent, type);
}
INamedParameterNode np = NodeFactory.CreateNamedParameterNode(parent, type, argType);
if(Parameterparser.CanParse(ReflectionUtilities.GetAssemblyQualifiedName(argType))) {
if(type.GetCustomAttribute<NamedParameterAttribute>().DefaultClass != null)
{
var e = new ClassHierarchyException("Named parameter " + ReflectionUtilities.GetAssemblyQualifiedName(type) + " defines default implementation for parsable type " + ReflectionUtilities.GetAssemblyQualifiedName(argType));
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
string shortName = np.GetShortName();
if (shortName != null && !shortName.Equals(""))
{
INamedParameterNode oldNode = null;
shortNames.TryGetValue(shortName, out oldNode);
if (oldNode != null)
{
if (oldNode.GetFullName().Equals(np.GetFullName()))
{
var ex = new IllegalStateException("Tried to double bind "
+ oldNode.GetFullName() + " to short name " + shortName);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
var e = new ClassHierarchyException("Named parameters " + oldNode.GetFullName()
+ " and " + np.GetFullName() + " have the same short name: "
+ shortName);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
shortNames.Add(shortName, np);
}
return np;
}
/// <summary>
/// Gets the named parameter target or null.
/// </summary>
/// <param name="type">The type.</param>
/// <returns></returns>
/// <exception cref="ClassHierarchyException">Named parameter + GetName(type) + implements
/// + multiple interfaces. It is only allowed to implement Name</exception>
public static Type GetNamedParameterTargetOrNull(Type type)
{
var npAnnotation = type.GetCustomAttribute<NamedParameterAttribute>();
if (npAnnotation != null)
{
Type[] intfs = type.GetInterfaces();
if (intfs.Length > 1)
{
var ex = new ClassHierarchyException("Named parameter " + GetName(type) + " implements "
+ "multiple interfaces. It is only allowed to implement Name<T>");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
else if (intfs.Length == 0 || !IsName(intfs[0]))
{
var ex = new ClassHierarchyException("Found illegal [NamedParameter " + GetName(type)
+ " does not implement Name<T>");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
Type[] args = intfs[0].GetGenericArguments();
if (args.Length > 1)
{
var ex = new ClassHierarchyException("Found illegal [NamedParameter " + GetName(type)
+ " that has more than one arguments");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
if (args.Length == 0)
{
var ex = new ClassHierarchyException("Found illegal [NamedParameter " + GetName(type)
+ " that has no argument");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
if (HasConstructor(type) || HasInjectableConstructor(type))
{
var ex = new ClassHierarchyException("Named parameter " + GetName(type) + " has "
+ (HasInjectableConstructor(type) ? "an injectable" : "a") + " constructor. "
+ " Named parameters must not declare any constructors.");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
return args[0];
}
if (ImplementName(type)) //Implement Name<> but no [NamedParameter] attribute
{
var ex = new ClassHierarchyException("Named parameter " + GetName(type)
+ " is missing its [NamedParameter] attribute.");
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(ex, LOGGER);
}
return null;
}
public static void ProcessConfigData(IConfigurationBuilder conf, IList<KeyValuePair<string, string>> settings)
{
foreach (KeyValuePair<string, string> kv in settings)
{
try
{
conf.Bind(kv.Key, kv.Value);
}
catch (BindException ex)
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Caught(ex, Level.Error, LOGGER);
var e = new BindException("Failed to process configuration tuple: [" + kv.Key + "=" + kv.Value + "]", ex);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
catch (ClassHierarchyException ex)
{
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Caught(ex, Level.Error, LOGGER);
var e = new ClassHierarchyException("Failed to process configuration tuple: [" + kv.Key + "=" + kv.Value + "]", ex);
Org.Apache.REEF.Utilities.Diagnostics.Exceptions.Throw(e, LOGGER);
}
}
}
