public class SuperBuilderAbstract { public static class Parent { int parentField; @java.lang.SuppressWarnings("all") public static abstract class ParentBuilder<C extends SuperBuilderAbstract.Parent, B extends SuperBuilderAbstract.Parent.ParentBuilder<C, B>> { @java.lang.SuppressWarnings("all") private int parentField; @java.lang.SuppressWarnings("all") protected abstract B self(); @java.lang.SuppressWarnings("all") public abstract C build(); /** * @return {@code this}. */ @java.lang.SuppressWarnings("all") public B parentField(final int parentField) { this.parentField = parentField; return self(); } @java.lang.Override @java.lang.SuppressWarnings("all") public java.lang.String toString() { return "SuperBuilderAbstract.Parent.ParentBuilder(parentField=" + this.parentField + ")"; } } @java.lang.SuppressWarnings("all") private static final class ParentBuilderImpl extends SuperBuilderAbstract.Parent.ParentBuilder<SuperBuilderAbstract.Parent, SuperBuilderAbstract.Parent.ParentBuilderImpl> { @java.lang.SuppressWarnings("all") private ParentBuilderImpl() { } @java.lang.Override @java.lang.SuppressWarnings("all") protected SuperBuilderAbstract.Parent.ParentBuilderImpl self() { return this; } @java.lang.Override @java.lang.SuppressWarnings("all") public SuperBuilderAbstract.Parent build() { return new SuperBuilderAbstract.Parent(this); } } @java.lang.SuppressWarnings("all") protected Parent(final SuperBuilderAbstract.Parent.ParentBuilder<?, ?> b) { this.parentField = b.parentField; } @java.lang.SuppressWarnings("all") public static SuperBuilderAbstract.Parent.ParentBuilder<?, ?> builder() { return new SuperBuilderAbstract.Parent.ParentBuilderImpl(); } } public static abstract class Child extends Parent { double childField; @java.lang.SuppressWarnings("all") public static abstract class ChildBuilder<C extends SuperBuilderAbstract.Child, B extends SuperBuilderAbstract.Child.ChildBuilder<C, B>> extends Parent.ParentBuilder<C, B> { @java.lang.SuppressWarnings("all") private double childField; @java.lang.Override @java.lang.SuppressWarnings("all") protected abstract B self(); @java.lang.Override @java.lang.SuppressWarnings("all") public abstract C build(); /** * @return {@code this}. */ @java.lang.SuppressWarnings("all") public B childField(final double childField) { this.childField = childField; return self(); } @java.lang.Override @java.lang.SuppressWarnings("all") public java.lang.String toString() { return "SuperBuilderAbstract.Child.ChildBuilder(super=" + super.toString() + ", childField=" + this.childField + ")"; } } @java.lang.SuppressWarnings("all") protected Child(final SuperBuilderAbstract.Child.ChildBuilder<?, ?> b) { super(b); this.childField = b.childField; } } public static class GrandChild extends Child { String grandChildField; @java.lang.SuppressWarnings("all") public static abstract class GrandChildBuilder<C extends SuperBuilderAbstract.GrandChild, B extends SuperBuilderAbstract.GrandChild.GrandChildBuilder<C, B>> extends Child.ChildBuilder<C, B> { @java.lang.SuppressWarnings("all") private String grandChildField; @java.lang.Override @java.lang.SuppressWarnings("all") protected abstract B self(); @java.lang.Override @java.lang.SuppressWarnings("all") public abstract C build(); /** * @return {@code this}. */ @java.lang.SuppressWarnings("all") public B grandChildField(final String grandChildField) { this.grandChildField = grandChildField; return self(); } @java.lang.Override @java.lang.SuppressWarnings("all") public java.lang.String toString() { return "SuperBuilderAbstract.GrandChild.GrandChildBuilder(super=" + super.toString() + ", grandChildField=" + this.grandChildField + ")"; } } @java.lang.SuppressWarnings("all") private static final class GrandChildBuilderImpl extends SuperBuilderAbstract.GrandChild.GrandChildBuilder<SuperBuilderAbstract.GrandChild, SuperBuilderAbstract.GrandChild.GrandChildBuilderImpl> { @java.lang.SuppressWarnings("all") private GrandChildBuilderImpl() { } @java.lang.Override @java.lang.SuppressWarnings("all") protected SuperBuilderAbstract.GrandChild.GrandChildBuilderImpl self() { return this; } @java.lang.Override @java.lang.SuppressWarnings("all") public SuperBuilderAbstract.GrandChild build() { return new SuperBuilderAbstract.GrandChild(this); } } @java.lang.SuppressWarnings("all") protected GrandChild(final SuperBuilderAbstract.GrandChild.GrandChildBuilder<?, ?> b) { super(b); this.grandChildField = b.grandChildField; } @java.lang.SuppressWarnings("all") public static SuperBuilderAbstract.GrandChild.GrandChildBuilder<?, ?> builder() { return new SuperBuilderAbstract.GrandChild.GrandChildBuilderImpl(); } } public static void test() { GrandChild x = GrandChild.builder().grandChildField("").parentField(5).childField(2.5).build(); } }