public Stream<MethodInfo> getMethodStream() {
return type.get()
.getMembers()
.stream()
.map(this::getMethodInfoWrapper)
.filter(Objects::nonNull);
}
public Stream<FieldInfo> getFieldStream() {
return type.get()
.getMembers()
.stream()
.filter(x -> x instanceof FieldDeclaration)
.map(x -> new FieldDeclarationWrapper((FieldDeclaration) x));
}
@Override
public List<Type> getInterfaceTypes() {
return type.get()
.getImplements()
.stream()
.map(getContext()::resolve)
.collect(Collectors.toList());
}
@Override
public Type getSuperType() {
val extends_ = type.get().getExtends();
if (extends_ == null || extends_.isEmpty()) return null;
return getContext().resolve(extends_.get(0));
}
@Override
public void setName(String name) {
String packageName = getPackageName();
if (name.startsWith(packageName)) {
type.get().setName(name.replace(packageName, ""));
} else {
throw new TransformationException("Name '" + name + "' must be in package: " + packageName);
}
}
public static void main(String[] args) {
// how many sales?
long saleCount = saleStream().count();
System.out.println("Count of sales: " + saleCount);
// any sales over $100?
Supplier<DoubleStream> totalStream = () -> saleStream().mapToDouble(Sale::total);
boolean bigSaleDay = totalStream.get().anyMatch(total -> total > 100.00);
System.out.println("Big sale day? " + bigSaleDay);
// maximum sale amount?
DoubleSummaryStatistics stats = totalStream.get().summaryStatistics();
System.out.println("Max sale amount: " + stats.getMax());
System.out.println("Stats on total: " + stats);
// how many items were sold today?
Supplier<Stream<Item>> itemStream = () -> saleStream().flatMap(sale -> sale.items.stream());
long itemCount = itemStream.get().count();
System.out.println("Count of items: " + itemCount);
// which different items were sold today?
String uniqueItems =
itemStream.get().map(item -> item.identity).distinct().collect(Collectors.joining(" & "));
System.out.println("Distinct items: " + uniqueItems);
// summarize sales by store
ConcurrentMap<String, DoubleSummaryStatistics> summary =
saleStream()
.parallel()
.collect(
Collectors.groupingByConcurrent(
sale -> Thread.currentThread().getName(),
Collectors.summarizingDouble(Sale::total)));
System.out.println("Summary by thread: " + summary);
summary
.keySet()
.stream()
.sorted()
.forEach(store -> System.out.println(store + " stats: " + summary.get(store)));
}
@Override
public void remove(FieldInfo field) {
FieldDeclarationWrapper fieldDeclarationWrapper =
!(field instanceof FieldDeclarationWrapper)
? (FieldDeclarationWrapper) get(field)
: (FieldDeclarationWrapper) field;
if (fieldDeclarationWrapper == null)
throw new TransformationException(
"Field " + field + " can not be removed as it is not present");
type.get().getMembers().remove(fieldDeclarationWrapper.declaration);
}
@Override
public void remove(MethodInfo method) {
MethodDeclarationWrapper methodDeclarationWrapper =
!(method instanceof MethodDeclarationWrapper)
? (MethodDeclarationWrapper) get(method)
: (MethodDeclarationWrapper) method;
if (methodDeclarationWrapper == null)
throw new TransformationException(
"Method " + method + " can not be removed as it is not present");
type.get().getMembers().remove(methodDeclarationWrapper.declaration);
}
@Override
public void setAccessFlags(AccessFlags accessFlags) {
type.get().setModifiers(accessFlags.access);
}
@Override
public AccessFlags getAccessFlags() {
return new AccessFlags(type.get().getModifiers());
}
private ResolutionContext getContextInternal() {
return ResolutionContext.of(type.get());
}
private String getPackageNameInternal() {
return NodeUtil.qualifiedName(
NodeUtil.getParentNode(type.get(), CompilationUnit.class).getPackage().getName());
}
private List<Annotation> getAnnotationsInternal() {
return getAnnotationsInternal(type.get().getAnnotations());
}
private void addMember(BodyDeclaration bodyDeclaration) {
bodyDeclaration.setParentNode(type.get());
type.get().getMembers().add(bodyDeclaration);
}