ConcurrentHolderGetter.java

net.minecraft.core.registries.ConcurrentHolderGetter

信息

• 全限定名：net.minecraft.core.registries.ConcurrentHolderGetter
• 类型：public class
• 包：net.minecraft.core.registries
• 源码路径：src/main/java/net/minecraft/core/registries/ConcurrentHolderGetter.java
• 起始行号：L12
• 实现：HolderGetter
• 职责：

  TODO

字段/常量

• lock

  • 类型: Object
  • 修饰符: private final
  • 源码定位: L13
  • 说明:

    TODO

• original

  • 类型: HolderGetter<T>
  • 修饰符: private final
  • 源码定位: L14
  • 说明:

    TODO

• elementCache

  • 类型: Map<ResourceKey<T>,Optional<Holder.Reference<T>>>
  • 修饰符: private final
  • 源码定位: L15
  • 说明:

    TODO

• tagCache

  • 类型: Map<TagKey<T>,Optional<HolderSet.Named<T>>>
  • 修饰符: private final
  • 源码定位: L16
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public ConcurrentHolderGetter(Object lock, HolderGetter<T> original) @ L18

• 构造器名：ConcurrentHolderGetter
• 源码定位：L18
• 修饰符：public

参数:

• lock: Object
• original: HolderGetter

说明:

TODO

方法

下面的方法块按源码顺序生成。

public Optional<Holder.Reference<T>> get(ResourceKey<T> elementId) @ L23

• 方法名：get
• 源码定位：L23
• 返回类型：Optional<Holder.Reference>
• 修饰符：public

参数:

• elementId: ResourceKey

说明:

TODO

public Optional<HolderSet.Named<T>> get(TagKey<T> tagId) @ L32

• 方法名：get
• 源码定位：L32
• 返回类型：Optional<HolderSet.Named>
• 修饰符：public

参数:

• tagId: TagKey

说明:

TODO

代码

public class ConcurrentHolderGetter<T> implements HolderGetter<T> {
    private final Object lock;
    private final HolderGetter<T> original;
    private final Map<ResourceKey<T>, Optional<Holder.Reference<T>>> elementCache = new ConcurrentHashMap<>();
    private final Map<TagKey<T>, Optional<HolderSet.Named<T>>> tagCache = new ConcurrentHashMap<>();
 
    public ConcurrentHolderGetter(Object lock, HolderGetter<T> original) {
        this.lock = lock;
        this.original = original;
    }
 
    @Override
    public Optional<Holder.Reference<T>> get(ResourceKey<T> elementId) {
        return this.elementCache.computeIfAbsent(elementId, id -> {
            synchronized (this.lock) {
                return this.original.get((ResourceKey<T>)id);
            }
        });
    }
 
    @Override
    public Optional<HolderSet.Named<T>> get(TagKey<T> tagId) {
        return this.tagCache.computeIfAbsent(tagId, id -> {
            synchronized (this.lock) {
                return this.original.get((TagKey<T>)id);
            }
        });
    }
}

引用的其他类

• Holder

  • 引用位置: 字段/返回值

• HolderGetter

  • 引用位置: 参数/字段/实现

• HolderSet

  • 引用位置: 字段/返回值

• ResourceKey

  • 引用位置: 参数/字段

• TagKey

  • 引用位置: 参数/字段