1 package com.lexicalscope.fluentreflection;
2
3 import static java.util.Collections.unmodifiableList;
4
5 import java.util.List;
6
7 import com.google.inject.TypeLiteral;
8
9 final class ReflectedSuperclassesAndInterfacesImpl<T> implements ReflectedSuperclassesAndInterfaces<T> {
10 private final ReflectedTypeFactory reflectedTypeFactory;
11 private List<FluentClass<?>> interfacesAndSuperClass;
12 private final TypeLiteral<T> typeLiteral;
13
14 ReflectedSuperclassesAndInterfacesImpl(
15 final ReflectedTypeFactory reflectedTypeFactory,
16 final TypeLiteral<T> typeLiteral) {
17 this.reflectedTypeFactory = reflectedTypeFactory;
18 this.typeLiteral = typeLiteral;
19 }
20
21 @Override public List<FluentClass<?>> superclassesAndInterfaces() {
22 if (interfacesAndSuperClass == null) {
23 interfacesAndSuperClass =
24 unmodifiableList(new TypeHierarchyCalculation(reflectedTypeFactory)
25 .interfacesAndSuperClass(typeLiteral));
26 }
27 return interfacesAndSuperClass;
28 }
29 }