CollectionCountsPredicate.java

net.minecraft.advancements.criterion.CollectionCountsPredicate

信息

• 全限定名：net.minecraft.advancements.criterion.CollectionCountsPredicate
• 类型：public interface
• 包：net.minecraft.advancements.criterion
• 源码路径：src/main/java/net/minecraft/advancements/criterion/CollectionCountsPredicate.java
• 起始行号：L8
• 继承：Predicate<Iterable<?extends T>>
• 职责：

  TODO

字段/常量

• 无

内部类/嵌套类型

• net.minecraft.advancements.criterion.CollectionCountsPredicate.Entry

  • 类型: record
  • 修饰符: public
  • 源码定位: L28
  • 说明:

    TODO

• net.minecraft.advancements.criterion.CollectionCountsPredicate.Multiple

  • 类型: record
  • 修饰符: public
  • 源码定位: L52
  • 说明:

    TODO

• net.minecraft.advancements.criterion.CollectionCountsPredicate.Single

  • 类型: record
  • 修饰符: public
  • 源码定位: L69
  • 说明:

    TODO

• net.minecraft.advancements.criterion.CollectionCountsPredicate.Zero

  • 类型: class
  • 修饰符: public static
  • 源码定位: L80
  • 说明:

    TODO

构造器

• 无

方法

下面的方法块按源码顺序生成。

List<CollectionCountsPredicate.Entry<T,P>> unpack() @ L9

• 方法名：unpack
• 源码定位：L9
• 返回类型：List<CollectionCountsPredicate.Entry<T,P>>
• 修饰符：package-private

参数:

• 无

说明:

TODO

static <T,P extends Predicate<T>> Codec<CollectionCountsPredicate<T,P>> codec(Codec<P> elementCodec) @ L11

• 方法名：codec
• 源码定位：L11
• 返回类型：<T,P extends Predicate> Codec<CollectionCountsPredicate<T,P>>
• 修饰符：static

参数:

• elementCodec: Codec

说明:

TODO

static <T,P extends Predicate<T>> CollectionCountsPredicate<T,P> of(CollectionCountsPredicate.Entry<T,P>... predicates) @ L15

• 方法名：of
• 源码定位：L15
• 返回类型：<T,P extends Predicate> CollectionCountsPredicate<T,P>
• 修饰符：static

参数:

• predicates: CollectionCountsPredicate.Entry<T,P>…

说明:

TODO

static <T,P extends Predicate<T>> CollectionCountsPredicate<T,P> of(List<CollectionCountsPredicate.Entry<T,P>> predicates) @ L20

• 方法名：of
• 源码定位：L20
• 返回类型：<T,P extends Predicate> CollectionCountsPredicate<T,P>
• 修饰符：static

参数:

• predicates: List<CollectionCountsPredicate.Entry<T,P>>

说明:

TODO

代码

public interface CollectionCountsPredicate<T, P extends Predicate<T>> extends Predicate<Iterable<? extends T>> {
    List<CollectionCountsPredicate.Entry<T, P>> unpack();
 
    static <T, P extends Predicate<T>> Codec<CollectionCountsPredicate<T, P>> codec(Codec<P> elementCodec) {
        return CollectionCountsPredicate.Entry.<T, P>codec(elementCodec).listOf().xmap(CollectionCountsPredicate::of, CollectionCountsPredicate::unpack);
    }
 
    @SafeVarargs
    static <T, P extends Predicate<T>> CollectionCountsPredicate<T, P> of(CollectionCountsPredicate.Entry<T, P>... predicates) {
        return of(List.of(predicates));
    }
 
    static <T, P extends Predicate<T>> CollectionCountsPredicate<T, P> of(List<CollectionCountsPredicate.Entry<T, P>> predicates) {
        return (CollectionCountsPredicate<T, P>)(switch (predicates.size()) {
            case 0 -> new CollectionCountsPredicate.Zero();
            case 1 -> new CollectionCountsPredicate.Single(predicates.getFirst());
            default -> new CollectionCountsPredicate.Multiple(predicates);
        });
    }
 
    public record Entry<T, P extends Predicate<T>>(P test, MinMaxBounds.Ints count) {
        public static <T, P extends Predicate<T>> Codec<CollectionCountsPredicate.Entry<T, P>> codec(Codec<P> elementCodec) {
            return RecordCodecBuilder.create(
                i -> i.group(
                        elementCodec.fieldOf("test").forGetter(CollectionCountsPredicate.Entry::test),
                        MinMaxBounds.Ints.CODEC.fieldOf("count").forGetter(CollectionCountsPredicate.Entry::count)
                    )
                    .apply(i, CollectionCountsPredicate.Entry::new)
            );
        }
 
        public boolean test(Iterable<? extends T> values) {
            int count = 0;
 
            for (T value : values) {
                if (this.test.test(value)) {
                    count++;
                }
            }
 
            return this.count.matches(count);
        }
    }
 
    public record Multiple<T, P extends Predicate<T>>(List<CollectionCountsPredicate.Entry<T, P>> entries) implements CollectionCountsPredicate<T, P> {
        public boolean test(Iterable<? extends T> values) {
            for (CollectionCountsPredicate.Entry<T, P> entry : this.entries) {
                if (!entry.test(values)) {
                    return false;
                }
            }
 
            return true;
        }
 
        @Override
        public List<CollectionCountsPredicate.Entry<T, P>> unpack() {
            return this.entries;
        }
    }
 
    public record Single<T, P extends Predicate<T>>(CollectionCountsPredicate.Entry<T, P> entry) implements CollectionCountsPredicate<T, P> {
        public boolean test(Iterable<? extends T> values) {
            return this.entry.test(values);
        }
 
        @Override
        public List<CollectionCountsPredicate.Entry<T, P>> unpack() {
            return List.of(this.entry);
        }
    }
 
    public static class Zero<T, P extends Predicate<T>> implements CollectionCountsPredicate<T, P> {
        public boolean test(Iterable<? extends T> values) {
            return true;
        }
 
        @Override
        public List<CollectionCountsPredicate.Entry<T, P>> unpack() {
            return List.of();
        }
    }
}

引用的其他类

• 无