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package sun.reflect.generics.scope;

import java.lang.reflect.Constructor;
import java.lang.reflect.Method;


This class represents the scope containing the type variables of a class.
/** * This class represents the scope containing the type variables of * a class. */
public class ClassScope extends AbstractScope<Class<?>> implements Scope { // constructor is private to enforce use of factory method private ClassScope(Class<?> c){ super(c); }
Overrides the abstract method in the superclass.
Returns:the enclosing scope
/** * Overrides the abstract method in the superclass. * @return the enclosing scope */
protected Scope computeEnclosingScope() { Class<?> receiver = getRecvr(); Method m = receiver.getEnclosingMethod(); if (m != null) // Receiver is a local or anonymous class enclosed in a // method. return MethodScope.make(m); Constructor<?> cnstr = receiver.getEnclosingConstructor(); if (cnstr != null) // Receiver is a local or anonymous class enclosed in a // constructor. return ConstructorScope.make(cnstr); Class<?> c = receiver.getEnclosingClass(); // if there is a declaring class, recvr is a member class // and its enclosing scope is that of the declaring class if (c != null) // Receiver is a local class, an anonymous class, or a // member class (static or not). return ClassScope.make(c); // otherwise, recvr is a top level class, and it has no real // enclosing scope. return DummyScope.make(); }
Factory method. Takes a Class object and creates a scope for it.
Params:
  • c – - a Class whose scope we want to obtain
Returns:The type-variable scope for the class c
/** * Factory method. Takes a {@code Class} object and creates a * scope for it. * @param c - a Class whose scope we want to obtain * @return The type-variable scope for the class c */
public static ClassScope make(Class<?> c) { return new ClassScope(c);} }