mask() — netty Function Reference

Architecture documentation for the mask() function in ChannelHandlerMask.java from the netty codebase.

Function java Buffer Telemetry calls 1

Entity Profile

Buffer→ Telemetry→ mask() — netty Function Reference

Dependency Diagram

graph TD
  5ab977f0_bc02_5db9_4f8e_9d790c9251f9["mask()"]
  9765d8d3_2fc6_fd23_4e23_eee14183479c["ChannelHandlerMask"]
  5ab977f0_bc02_5db9_4f8e_9d790c9251f9 -->|defined in| 9765d8d3_2fc6_fd23_4e23_eee14183479c
  415dced0_768d_3ef9_f5b5_dd95ec9f9f3d["mask0()"]
  5ab977f0_bc02_5db9_4f8e_9d790c9251f9 -->|calls| 415dced0_768d_3ef9_f5b5_dd95ec9f9f3d
  style 5ab977f0_bc02_5db9_4f8e_9d790c9251f9 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

transport/src/main/java/io/netty/channel/ChannelHandlerMask.java lines 76–86

    static int mask(Class<? extends ChannelHandler> clazz) {
        // Try to obtain the mask from the cache first. If this fails calculate it and put it in the cache for fast
        // lookup in the future.
        Map<Class<? extends ChannelHandler>, Integer> cache = MASKS.get();
        Integer mask = cache.get(clazz);
        if (mask == null) {
            mask = mask0(clazz);
            cache.put(clazz, mask);
        }
        return mask;
    }