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