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import java.util.List;
public class SuperBuilderWithGenerics {
public static class Parent<A> {
A field1;
List<String> items;
@java.lang.SuppressWarnings("all")
public static abstract class ParentBuilder<A, C extends Parent<A>, B extends ParentBuilder<A, C, B>> {
@java.lang.SuppressWarnings("all")
private A field1;
@java.lang.SuppressWarnings("all")
private java.util.ArrayList<String> items;
@java.lang.SuppressWarnings("all")
protected abstract B self();
@java.lang.SuppressWarnings("all")
public abstract C build();
@java.lang.SuppressWarnings("all")
public B field1(final A field1) {
this.field1 = field1;
return self();
}
@java.lang.SuppressWarnings("all")
public B item(final String item) {
if (this.items == null) this.items = new java.util.ArrayList<String>();
this.items.add(item);
return self();
}
@java.lang.SuppressWarnings("all")
public B items(final java.util.Collection<? extends String> items) {
if (this.items == null) this.items = new java.util.ArrayList<String>();
this.items.addAll(items);
return self();
}
@java.lang.SuppressWarnings("all")
public B clearItems() {
if (this.items != null) this.items.clear();
return self();
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public java.lang.String toString() {
return "SuperBuilderWithGenerics.Parent.ParentBuilder(field1=" + this.field1 + ", items=" + this.items + ")";
}
}
@java.lang.SuppressWarnings("all")
private static final class ParentBuilderImpl<A> extends ParentBuilder<A, Parent<A>, ParentBuilderImpl<A>> {
@java.lang.SuppressWarnings("all")
private ParentBuilderImpl() {
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
protected ParentBuilderImpl self() {
return this;
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public Parent<A> build() {
return new Parent<A>(this);
}
}
@java.lang.SuppressWarnings("all")
protected Parent(final ParentBuilder<A, ?, ?> b) {
this.field1 = b.field1;
java.util.List<String> items;
switch (b.items == null ? 0 : b.items.size()) {
case 0:
items = java.util.Collections.emptyList();
break;
case 1:
items = java.util.Collections.singletonList(b.items.get(0));
break;
default:
items = java.util.Collections.unmodifiableList(new java.util.ArrayList<String>(b.items));
}
this.items = items;
}
@java.lang.SuppressWarnings("all")
public static <A> ParentBuilder<A, ?, ?> builder() {
return new ParentBuilderImpl<A>();
}
}
public static class Child<A> extends Parent<A> {
double field3;
@java.lang.SuppressWarnings("all")
public static abstract class ChildBuilder<A, C extends Child<A>, B extends ChildBuilder<A, C, B>> extends Parent.ParentBuilder<A, C, B> {
@java.lang.SuppressWarnings("all")
private double field3;
@java.lang.Override
@java.lang.SuppressWarnings("all")
protected abstract B self();
@java.lang.Override
@java.lang.SuppressWarnings("all")
public abstract C build();
@java.lang.SuppressWarnings("all")
public B field3(final double field3) {
this.field3 = field3;
return self();
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public java.lang.String toString() {
return "SuperBuilderWithGenerics.Child.ChildBuilder(super=" + super.toString() + ", field3=" + this.field3 + ")";
}
}
@java.lang.SuppressWarnings("all")
private static final class ChildBuilderImpl<A> extends ChildBuilder<A, Child<A>, ChildBuilderImpl<A>> {
@java.lang.SuppressWarnings("all")
private ChildBuilderImpl() {
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
protected ChildBuilderImpl self() {
return this;
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public Child<A> build() {
return new Child<A>(this);
}
}
@java.lang.SuppressWarnings("all")
protected Child(final ChildBuilder<A, ?, ?> b) {
super(b);
this.field3 = b.field3;
}
@java.lang.SuppressWarnings("all")
public static <A> ChildBuilder<A, ?, ?> builder() {
return new ChildBuilderImpl<A>();
}
}
public static void test() {
Child<Integer> x = Child.<Integer>builder().field3(0.0).field1(5).item("").build();
}
}
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