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