import java.util.List; public class SuperBuilderWithDefaults { public static class Parent<N extends Number> { private long millis; private N numberField; @java.lang.SuppressWarnings("all") private static <N extends Number> long $default$millis() { return System.currentTimeMillis(); } @java.lang.SuppressWarnings("all") private static <N extends Number> N $default$numberField() { return null; } @java.lang.SuppressWarnings("all") public static abstract class ParentBuilder<N extends Number, C extends SuperBuilderWithDefaults.Parent<N>, B extends SuperBuilderWithDefaults.Parent.ParentBuilder<N, C, B>> { @java.lang.SuppressWarnings("all") private boolean millis$set; @java.lang.SuppressWarnings("all") private long millis$value; @java.lang.SuppressWarnings("all") private boolean numberField$set; @java.lang.SuppressWarnings("all") private N numberField$value; @java.lang.SuppressWarnings("all") protected abstract B self(); @java.lang.SuppressWarnings("all") public abstract C build(); @java.lang.SuppressWarnings("all") public B millis(final long millis) { this.millis$value = millis; millis$set = true; return self(); } @java.lang.SuppressWarnings("all") public B numberField(final N numberField) { this.numberField$value = numberField; numberField$set = true; return self(); } @java.lang.Override @java.lang.SuppressWarnings("all") public java.lang.String toString() { return "SuperBuilderWithDefaults.Parent.ParentBuilder(millis$value=" + this.millis$value + ", numberField$value=" + this.numberField$value + ")"; } } @java.lang.SuppressWarnings("all") private static final class ParentBuilderImpl<N extends Number> extends SuperBuilderWithDefaults.Parent.ParentBuilder<N, SuperBuilderWithDefaults.Parent<N>, SuperBuilderWithDefaults.Parent.ParentBuilderImpl<N>> { @java.lang.SuppressWarnings("all") private ParentBuilderImpl() { } @java.lang.Override @java.lang.SuppressWarnings("all") protected SuperBuilderWithDefaults.Parent.ParentBuilderImpl<N> self() { return this; } @java.lang.Override @java.lang.SuppressWarnings("all") public SuperBuilderWithDefaults.Parent<N> build() { return new SuperBuilderWithDefaults.Parent<N>(this); } } @java.lang.SuppressWarnings("all") protected Parent(final SuperBuilderWithDefaults.Parent.ParentBuilder<N, ?, ?> b) { if (b.millis$set) this.millis = b.millis$value; else this.millis = SuperBuilderWithDefaults.Parent.<N>$default$millis(); if (b.numberField$set) this.numberField = b.numberField$value; else this.numberField = SuperBuilderWithDefaults.Parent.<N>$default$numberField(); } @java.lang.SuppressWarnings("all") public static <N extends Number> SuperBuilderWithDefaults.Parent.ParentBuilder<N, ?, ?> builder() { return new SuperBuilderWithDefaults.Parent.ParentBuilderImpl<N>(); } } public static class Child extends Parent<Integer> { private double doubleField; @java.lang.SuppressWarnings("all") private static double $default$doubleField() { return Math.PI; } @java.lang.SuppressWarnings("all") public static abstract class ChildBuilder<C extends SuperBuilderWithDefaults.Child, B extends SuperBuilderWithDefaults.Child.ChildBuilder<C, B>> extends Parent.ParentBuilder<Integer, C, B> { @java.lang.SuppressWarnings("all") private boolean doubleField$set; @java.lang.SuppressWarnings("all") private double doubleField$value; @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 doubleField(final double doubleField) { this.doubleField$value = doubleField; doubleField$set = true; return self(); } @java.lang.Override @java.lang.SuppressWarnings("all") public java.lang.String toString() { return "SuperBuilderWithDefaults.Child.ChildBuilder(super=" + super.toString() + ", doubleField$value=" + this.doubleField$value + ")"; } } @java.lang.SuppressWarnings("all") private static final class ChildBuilderImpl extends SuperBuilderWithDefaults.Child.ChildBuilder<SuperBuilderWithDefaults.Child, SuperBuilderWithDefaults.Child.ChildBuilderImpl> { @java.lang.SuppressWarnings("all") private ChildBuilderImpl() { } @java.lang.Override @java.lang.SuppressWarnings("all") protected SuperBuilderWithDefaults.Child.ChildBuilderImpl self() { return this; } @java.lang.Override @java.lang.SuppressWarnings("all") public SuperBuilderWithDefaults.Child build() { return new SuperBuilderWithDefaults.Child(this); } } @java.lang.SuppressWarnings("all") protected Child(final SuperBuilderWithDefaults.Child.ChildBuilder<?, ?> b) { super(b); if (b.doubleField$set) this.doubleField = b.doubleField$value; else this.doubleField = SuperBuilderWithDefaults.Child.$default$doubleField(); } @java.lang.SuppressWarnings("all") public static SuperBuilderWithDefaults.Child.ChildBuilder<?, ?> builder() { return new SuperBuilderWithDefaults.Child.ChildBuilderImpl(); } } public static void test() { Child x = Child.builder().doubleField(0.1).numberField(5).millis(1234567890L).build(); } }