DataComponentExactPredicate.java

net.minecraft.core.component.DataComponentExactPredicate

信息

• 全限定名：net.minecraft.core.component.DataComponentExactPredicate
• 类型：public final class
• 包：net.minecraft.core.component
• 源码路径：src/main/java/net/minecraft/core/component/DataComponentExactPredicate.java
• 起始行号：L14
• 实现：Predicate
• 职责：

  TODO

字段/常量

• CODEC

  • 类型: Codec<DataComponentExactPredicate>
  • 修饰符: public static final
  • 源码定位: L15
  • 说明:

    TODO

• STREAM_CODEC

  • 类型: StreamCodec<RegistryFriendlyByteBuf,DataComponentExactPredicate>
  • 修饰符: public static final
  • 源码定位: L23
  • 说明:

    TODO

• EMPTY

  • 类型: DataComponentExactPredicate
  • 修饰符: public static final
  • 源码定位: L26
  • 说明:

    TODO

• expectedComponents

  • 类型: List<TypedDataComponent<?>>
  • 修饰符: private final
  • 源码定位: L27
  • 说明:

    TODO

内部类/嵌套类型

• net.minecraft.core.component.DataComponentExactPredicate.Builder
  • 类型: class
  • 修饰符: public static
  • 源码定位: L96
  • 说明:

    TODO

构造器

private DataComponentExactPredicate(List<TypedDataComponent<?>> expectedComponents) @ L29

• 构造器名：DataComponentExactPredicate
• 源码定位：L29
• 修饰符：private

参数:

• expectedComponents: List<TypedDataComponent<?>>

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static DataComponentExactPredicate.Builder builder() @ L33

• 方法名：builder
• 源码定位：L33
• 返回类型：DataComponentExactPredicate.Builder
• 修饰符：public static

参数:

• 无

说明:

TODO

public static <T> DataComponentExactPredicate expect(DataComponentType<T> type, T value) @ L37

• 方法名：expect
• 源码定位：L37
• 返回类型： DataComponentExactPredicate
• 修饰符：public static

参数:

• type: DataComponentType
• value: T

说明:

TODO

public static DataComponentExactPredicate allOf(DataComponentMap components) @ L41

• 方法名：allOf
• 源码定位：L41
• 返回类型：DataComponentExactPredicate
• 修饰符：public static

参数:

• components: DataComponentMap

说明:

TODO

public static DataComponentExactPredicate someOf(DataComponentMap components, DataComponentType<?>... types) @ L45

• 方法名：someOf
• 源码定位：L45
• 返回类型：DataComponentExactPredicate
• 修饰符：public static

参数:

• components: DataComponentMap
• types: DataComponentType<?>…

说明:

TODO

public boolean isEmpty() @ L58

• 方法名：isEmpty
• 源码定位：L58
• 返回类型：boolean
• 修饰符：public

参数:

• 无

说明:

TODO

public boolean equals(Object obj) @ L62

• 方法名：equals
• 源码定位：L62
• 返回类型：boolean
• 修饰符：public

参数:

• obj: Object

说明:

TODO

public int hashCode() @ L67

• 方法名：hashCode
• 源码定位：L67
• 返回类型：int
• 修饰符：public

参数:

• 无

说明:

TODO

public String toString() @ L72

• 方法名：toString
• 源码定位：L72
• 返回类型：String
• 修饰符：public

参数:

• 无

说明:

TODO

public boolean test(DataComponentGetter actualComponents) @ L77

• 方法名：test
• 源码定位：L77
• 返回类型：boolean
• 修饰符：public

参数:

• actualComponents: DataComponentGetter

说明:

TODO

public boolean alwaysMatches() @ L88

• 方法名：alwaysMatches
• 源码定位：L88
• 返回类型：boolean
• 修饰符：public

参数:

• 无

说明:

TODO

public DataComponentPatch asPatch() @ L92

• 方法名：asPatch
• 源码定位：L92
• 返回类型：DataComponentPatch
• 修饰符：public

参数:

• 无

说明:

TODO

代码

public final class DataComponentExactPredicate implements Predicate<DataComponentGetter> {
    public static final Codec<DataComponentExactPredicate> CODEC = DataComponentType.VALUE_MAP_CODEC
        .xmap(
            map -> new DataComponentExactPredicate(map.entrySet().stream().map(TypedDataComponent::fromEntryUnchecked).collect(Collectors.toList())),
            predicate -> predicate.expectedComponents
                .stream()
                .filter(e -> !e.type().isTransient())
                .collect(Collectors.toMap(TypedDataComponent::type, TypedDataComponent::value))
        );
    public static final StreamCodec<RegistryFriendlyByteBuf, DataComponentExactPredicate> STREAM_CODEC = TypedDataComponent.STREAM_CODEC
        .apply(ByteBufCodecs.list())
        .map(DataComponentExactPredicate::new, predicate -> predicate.expectedComponents);
    public static final DataComponentExactPredicate EMPTY = new DataComponentExactPredicate(List.of());
    private final List<TypedDataComponent<?>> expectedComponents;
 
    private DataComponentExactPredicate(List<TypedDataComponent<?>> expectedComponents) {
        this.expectedComponents = expectedComponents;
    }
 
    public static DataComponentExactPredicate.Builder builder() {
        return new DataComponentExactPredicate.Builder();
    }
 
    public static <T> DataComponentExactPredicate expect(DataComponentType<T> type, T value) {
        return new DataComponentExactPredicate(List.of(new TypedDataComponent<>(type, value)));
    }
 
    public static DataComponentExactPredicate allOf(DataComponentMap components) {
        return new DataComponentExactPredicate(ImmutableList.copyOf(components));
    }
 
    public static DataComponentExactPredicate someOf(DataComponentMap components, DataComponentType<?>... types) {
        DataComponentExactPredicate.Builder result = new DataComponentExactPredicate.Builder();
 
        for (DataComponentType<?> type : types) {
            TypedDataComponent<?> value = components.getTyped(type);
            if (value != null) {
                result.expect(value);
            }
        }
 
        return result.build();
    }
 
    public boolean isEmpty() {
        return this.expectedComponents.isEmpty();
    }
 
    @Override
    public boolean equals(Object obj) {
        return obj instanceof DataComponentExactPredicate predicate && this.expectedComponents.equals(predicate.expectedComponents);
    }
 
    @Override
    public int hashCode() {
        return this.expectedComponents.hashCode();
    }
 
    @Override
    public String toString() {
        return this.expectedComponents.toString();
    }
 
    public boolean test(DataComponentGetter actualComponents) {
        for (TypedDataComponent<?> expected : this.expectedComponents) {
            Object actual = actualComponents.get(expected.type());
            if (!Objects.equals(expected.value(), actual)) {
                return false;
            }
        }
 
        return true;
    }
 
    public boolean alwaysMatches() {
        return this.expectedComponents.isEmpty();
    }
 
    public DataComponentPatch asPatch() {
        return DataComponentPatch.builder().set(this.expectedComponents).build();
    }
 
    public static class Builder {
        private final List<TypedDataComponent<?>> expectedComponents = new ArrayList<>();
 
        private Builder() {
        }
 
        public <T> DataComponentExactPredicate.Builder expect(TypedDataComponent<T> value) {
            return this.expect(value.type(), value.value());
        }
 
        public <T> DataComponentExactPredicate.Builder expect(DataComponentType<? super T> type, T value) {
            for (TypedDataComponent<?> component : this.expectedComponents) {
                if (component.type() == type) {
                    throw new IllegalArgumentException("Predicate already has component of type: '" + type + "'");
                }
            }
 
            this.expectedComponents.add(new TypedDataComponent<>(type, value));
            return this;
        }
 
        public DataComponentExactPredicate build() {
            return new DataComponentExactPredicate(List.copyOf(this.expectedComponents));
        }
    }
}

引用的其他类

• DataComponentGetter

  • 引用位置: 参数/实现

• DataComponentMap

  • 引用位置: 参数

• DataComponentPatch

  • 引用位置: 方法调用/返回值
  • 关联成员: DataComponentPatch.builder()

• DataComponentType

  • 引用位置: 参数

• TypedDataComponent

  • 引用位置: 参数/字段

• RegistryFriendlyByteBuf

  • 引用位置: 字段

• ByteBufCodecs

  • 引用位置: 方法调用
  • 关联成员: ByteBufCodecs.list()

• StreamCodec

  • 引用位置: 字段