36 * This class represents the generic type information for a method. 37 * The code is not dependent on a particular reflective implementation. 38 * It is designed to be used unchanged by at least core reflection and JDI. 39 */ 40 public class MethodRepository extends ConstructorRepository { 41 42 /** The generic return type info. Lazily initialized. */ 43 private volatile Type returnType; 44 45 // private, to enforce use of static factory 46 private MethodRepository(String rawSig, GenericsFactory f) { 47 super(rawSig, f); 48 } 49 50 /** 51 * Static factory method. 52 * @param rawSig - the generic signature of the reflective object 53 * that this repository is servicing 54 * @param f - a factory that will provide instances of reflective 55 * objects when this repository converts its AST 56 * @return a <tt>MethodRepository</tt> that manages the generic type 57 * information represented in the signature <tt>rawSig</tt> 58 */ 59 public static MethodRepository make(String rawSig, GenericsFactory f) { 60 return new MethodRepository(rawSig, f); 61 } 62 63 public Type getReturnType() { 64 Type value = returnType; 65 if (value == null) { 66 value = computeReturnType(); 67 returnType = value; 68 } 69 return value; 70 } 71 72 private Type computeReturnType() { 73 Reifier r = getReifier(); // obtain visitor 74 // Extract return type subtree from AST and reify 75 getTree().getReturnType().accept(r); 76 // extract result from visitor and cache it 77 return r.getResult(); | 36 * This class represents the generic type information for a method. 37 * The code is not dependent on a particular reflective implementation. 38 * It is designed to be used unchanged by at least core reflection and JDI. 39 */ 40 public class MethodRepository extends ConstructorRepository { 41 42 /** The generic return type info. Lazily initialized. */ 43 private volatile Type returnType; 44 45 // private, to enforce use of static factory 46 private MethodRepository(String rawSig, GenericsFactory f) { 47 super(rawSig, f); 48 } 49 50 /** 51 * Static factory method. 52 * @param rawSig - the generic signature of the reflective object 53 * that this repository is servicing 54 * @param f - a factory that will provide instances of reflective 55 * objects when this repository converts its AST 56 * @return a {@code MethodRepository} that manages the generic type 57 * information represented in the signature {@code rawSig} 58 */ 59 public static MethodRepository make(String rawSig, GenericsFactory f) { 60 return new MethodRepository(rawSig, f); 61 } 62 63 public Type getReturnType() { 64 Type value = returnType; 65 if (value == null) { 66 value = computeReturnType(); 67 returnType = value; 68 } 69 return value; 70 } 71 72 private Type computeReturnType() { 73 Reifier r = getReifier(); // obtain visitor 74 // Extract return type subtree from AST and reify 75 getTree().getReturnType().accept(r); 76 // extract result from visitor and cache it 77 return r.getResult(); |