SuperBuilder: allow customization of selected methods

This commit is contained in:
Jan Rieke committed 2018-09-24 18:02:48 +02:00
1 parent 80af03a3e4
commit a454fd74cf
5 files changed
+278 -12

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@@ -0,0 +1,102 @@
import java.util.List;
public class SuperBuilderCustomized {
public static class Parent {
public static abstract class ParentBuilder<C extends Parent, B extends ParentBuilder<C, B>> {
@java.lang.SuppressWarnings("all")
private int field1;
public B resetToDefault() {
field1 = 0;
return self();
}
@java.lang.SuppressWarnings("all")
protected abstract B self();
@java.lang.SuppressWarnings("all")
public abstract C build();
@java.lang.SuppressWarnings("all")
public B field1(final int field1) {
this.field1 = field1;
return self();
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public java.lang.String toString() {
return "SuperBuilderCustomized.Parent.ParentBuilder(field1=" + this.field1 + ")";
}
}
int field1;
@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.field1 = b.field1;
}
@java.lang.SuppressWarnings("all")
public static ParentBuilder<?, ?> builder() {
return new ParentBuilderImpl();
}
}
public static class Child extends Parent {
private static final class ChildBuilderImpl extends ChildBuilder<Child, ChildBuilderImpl> {
@Override
public Child build() {
this.resetToDefault();
return new Child(this);
}
@java.lang.SuppressWarnings("all")
private ChildBuilderImpl() {
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
protected ChildBuilderImpl self() {
return this;
}
}
double field2;
public static ChildBuilder<?, ?> builder() {
return new ChildBuilderImpl().field2(10.0);
}
@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 field2;
@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 field2(final double field2) {
this.field2 = field2;
return self();
}
@java.lang.Override
@java.lang.SuppressWarnings("all")
public java.lang.String toString() {
return "SuperBuilderCustomized.Child.ChildBuilder(super=" + super.toString() + ", field2=" + this.field2 + ")";
}
}
@java.lang.SuppressWarnings("all")
protected Child(final ChildBuilder<?, ?> b) {
super(b);
this.field2 = b.field2;
}
}
public static void test() {
Child x = Child.builder().field2(1.0).field1(5).resetToDefault().build();
}
}