SuperBuilder support for abstract classes

2026-10-15 18:15:59 +00:00 · 2018-06-04 17:52:38 +02:00
1 parent d4fa7c583b
commit e2fc6fa564
@@ -0,0 +1,129 @@
+public class SuperBuilderAbstract {
+	public static class Parent {
+		int parentField;
+		@java.lang.SuppressWarnings("all")
+		public static abstract class ParentBuilder<C extends Parent, B extends 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();
+			@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 ParentBuilder<Parent, ParentBuilderImpl> {
+			@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 build() {
+				return new Parent(this);
+			}
+		}
+		@java.lang.SuppressWarnings("all")
+		protected Parent(final ParentBuilder<?, ?> b) {
+			this.parentField = b.parentField;
+		}
+		@java.lang.SuppressWarnings("all")
+		public static ParentBuilder<?, ?> builder() {
+			return new ParentBuilderImpl();
+		}
+	}
+	public static abstract class Child extends Parent {
+		double childField;
+		@java.lang.SuppressWarnings("all")
+		public static abstract class ChildBuilder<C extends Child, B extends 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();
+			@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 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 GrandChild, B extends 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();
+			@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 GrandChildBuilder<GrandChild, GrandChildBuilderImpl> {
+			@java.lang.SuppressWarnings("all")
+			private GrandChildBuilderImpl() {
+			}
+			@java.lang.Override
+			@java.lang.SuppressWarnings("all")
+			protected GrandChildBuilderImpl self() {
+				return this;
+			}
+			@java.lang.Override
+			@java.lang.SuppressWarnings("all")
+			public GrandChild build() {
+				return new GrandChild(this);
+			}
+		}
+		@java.lang.SuppressWarnings("all")
+		protected GrandChild(final GrandChildBuilder<?, ?> b) {
+			super(b);
+			this.grandChildField = b.grandChildField;
+		}
+		@java.lang.SuppressWarnings("all")
+		public static GrandChildBuilder<?, ?> builder() {
+			return new GrandChildBuilderImpl();
+		}
+	}
+	public static void test() {
+		GrandChild x = GrandChild.builder().grandChildField("").parentField(5).childField(2.5).build();
+	}
+}