MessageSignatureCache.java

net.minecraft.network.chat.MessageSignatureCache

信息

• 全限定名：net.minecraft.network.chat.MessageSignatureCache
• 类型：public class
• 包：net.minecraft.network.chat
• 源码路径：src/main/java/net/minecraft/network/chat/MessageSignatureCache.java
• 起始行号：L10
• 职责：

  TODO

字段/常量

• NOT_FOUND

  • 类型: int
  • 修饰符: public static final
  • 源码定位: L11
  • 说明:

    TODO

• DEFAULT_CAPACITY

  • 类型: int
  • 修饰符: private static final
  • 源码定位: L12
  • 说明:

    TODO

• entries

  • 类型: MessageSignature[]
  • 修饰符: private final
  • 源码定位: L13
  • 说明:

    TODO

内部类/嵌套类型

• 无

构造器

public MessageSignatureCache(int capacity) @ L15

• 构造器名：MessageSignatureCache
• 源码定位：L15
• 修饰符：public

参数:

• capacity: int

说明:

TODO

方法

下面的方法块按源码顺序生成。

public static MessageSignatureCache createDefault() @ L19

• 方法名：createDefault
• 源码定位：L19
• 返回类型：MessageSignatureCache
• 修饰符：public static

参数:

• 无

说明:

TODO

public int pack(MessageSignature signature) @ L23

• 方法名：pack
• 源码定位：L23
• 返回类型：int
• 修饰符：public

参数:

• signature: MessageSignature

说明:

TODO

public MessageSignature unpack(int id) @ L33

• 方法名：unpack
• 源码定位：L33
• 返回类型：MessageSignature
• 修饰符：public

参数:

• id: int

说明:

TODO

public void push(SignedMessageBody body, MessageSignature signature) @ L37

• 方法名：push
• 源码定位：L37
• 返回类型：void
• 修饰符：public

参数:

• body: SignedMessageBody
• signature: MessageSignature

说明:

TODO

void push(List<MessageSignature> entries) @ L48

• 方法名：push
• 源码定位：L48
• 返回类型：void
• 修饰符：package-private

参数:

• entries: List

说明:

TODO

private void push(ArrayDeque<MessageSignature> queue) @ L53

• 方法名：push
• 源码定位：L53
• 返回类型：void
• 修饰符：private

参数:

• queue: ArrayDeque

说明:

TODO

代码

public class MessageSignatureCache {
    public static final int NOT_FOUND = -1;
    private static final int DEFAULT_CAPACITY = 128;
    private final @Nullable MessageSignature[] entries;
 
    public MessageSignatureCache(int capacity) {
        this.entries = new MessageSignature[capacity];
    }
 
    public static MessageSignatureCache createDefault() {
        return new MessageSignatureCache(128);
    }
 
    public int pack(MessageSignature signature) {
        for (int i = 0; i < this.entries.length; i++) {
            if (signature.equals(this.entries[i])) {
                return i;
            }
        }
 
        return -1;
    }
 
    public @Nullable MessageSignature unpack(int id) {
        return this.entries[id];
    }
 
    public void push(SignedMessageBody body, @Nullable MessageSignature signature) {
        List<MessageSignature> lastSeen = body.lastSeen().entries();
        ArrayDeque<MessageSignature> queue = new ArrayDeque<>(lastSeen.size() + 1);
        queue.addAll(lastSeen);
        if (signature != null) {
            queue.add(signature);
        }
 
        this.push(queue);
    }
 
    @VisibleForTesting
    void push(List<MessageSignature> entries) {
        this.push(new ArrayDeque<>(entries));
    }
 
    private void push(ArrayDeque<MessageSignature> queue) {
        Set<MessageSignature> newEntries = new ObjectOpenHashSet<>(queue);
 
        for (int i = 0; !queue.isEmpty() && i < this.entries.length; i++) {
            MessageSignature entry = this.entries[i];
            this.entries[i] = queue.removeLast();
            if (entry != null && !newEntries.contains(entry)) {
                queue.addFirst(entry);
            }
        }
    }
}

引用的其他类

• MessageSignature

  • 引用位置: 参数/字段/返回值

• SignedMessageBody

  • 引用位置: 参数